The Ten Commandments in Roman Catholic theology
Encyclopedia
Catholic doctrine regarding the Ten Commandments refers to the official teaching of the Catholic Church in their Catechism
Catechism of the Catholic Church
The Catechism of the Catholic Church is the official text of the teachings of the Catholic Church. A provisional, "reference text" was issued by Pope John Paul II on October 11, 1992 — "the thirtieth anniversary of the opening of the Second Vatican Ecumenical Council" — with his apostolic...

, concerning the Commandments listed in and , which are part of the covenant
Covenant (biblical)
A biblical covenant is an agreement found in the Bible between God and His people in which God makes specific promises and demands. It is the customary word used to translate the Hebrew word berith. It it is used in the Tanakh 286 times . All Abrahamic religions consider the Biblical covenant...

 between God
God in Christianity
In Christianity, God is the eternal being that created and preserves the universe. God is believed by most Christians to be immanent , while others believe the plan of redemption show he will be immanent later...

 and the Israelites. Catholicism teaches that the commandments are essential for spiritual good health and growth, and that they form the basis for social justice
Social justice
Social justice generally refers to the idea of creating a society or institution that is based on the principles of equality and solidarity, that understands and values human rights, and that recognizes the dignity of every human being. The term and modern concept of "social justice" was coined by...

. A review of the Commandments is one of the most common types of examination of conscience
Examination of conscience
Examination of conscience is a review of one's past thoughts, words, actions, and omissions for the purpose of ascertaining their conformity with, or deviation from, the moral law. Among Christians, this is generally a private review; secular intellectuals have, on occasion, published autocritiques...

 used by Catholics before receiving the sacrament of Penance
Sacrament of Penance (Catholic Church)
In the teachings of the Roman Catholic Church, the Sacrament of Penance and Reconciliation is the method by which individual men and women may be freed from sins committed after receiving the sacrament of Baptism...

.

The Commandments appear in the earliest Church writings; the Catechism states that they have "occupied a predominant place" in teaching the faith since the time of Saint Augustine
Augustine of Hippo
Augustine of Hippo , also known as Augustine, St. Augustine, St. Austin, St. Augoustinos, Blessed Augustine, or St. Augustine the Blessed, was Bishop of Hippo Regius . He was a Latin-speaking philosopher and theologian who lived in the Roman Africa Province...

 (AD 354–430). The Church had no official standards for religious instruction until the Fourth Lateran Council
Fourth Council of the Lateran
The Fourth Council of the Lateran was convoked by Pope Innocent III with the papal bull of April 19, 1213, and the Council gathered at Rome's Lateran Palace beginning November 11, 1215. Due to the great length of time between the Council's convocation and meeting, many bishops had the opportunity...

 in 1215; evidence suggests the Commandments were used in Christian education in the Early Church and throughout the Middle Ages, but with inconsistent emphasis. The lack of instruction in them by some dioceses formed the basis of one of the criticisms launched against the Church by Protestant reformers. Afterward, the first Church-wide catechism
Roman Catechism
During the Catholic Counter-Reformation, the Council of Trent commissioned the Roman Catechism to expound doctrine and to improve the theological understanding of the clergy...

 in 1566 provided "thorough discussions of each commandment", but gave greater emphasis to the seven sacraments
Sacraments of the Catholic Church
The Sacraments of the Catholic Church are, the Roman Catholic Church teaches, "efficacious signs of grace, instituted by Christ and entrusted to the Church, by which divine life is dispensed to us. The visible rites by which the sacraments are celebrated signify and make present the graces proper...

. The most recent Catechism devotes a large section to interpret each of the commandments.

Church teaching of the Commandments is largely based on the Old and New Testament
New Testament
The New Testament is the second major division of the Christian biblical canon, the first such division being the much longer Old Testament....

s and the writings of the early Church Fathers
Church Fathers
The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church were early and influential theologians, eminent Christian teachers and great bishops. Their scholarly works were used as a precedent for centuries to come...

. In the New Testament, Jesus acknowledged their validity
Sermon on the Mount
The Sermon on the Mount is a collection of sayings and teachings of Jesus, which emphasizes his moral teaching found in the Gospel of Matthew...

 and instructed his disciples
Disciple (Christianity)
In Christianity, the disciples were the students of Jesus during his ministry. While Jesus attracted a large following, the term disciple is commonly used to refer specifically to "the Twelve", an inner circle of men whose number perhaps represented the twelve tribes of Israel...

 to go further, demanding a righteousness exceeding that of the scribes
Scribes
Scribes is a minimalist and extensible text editor for GNOME that combines simplicity with power. Scribes focuses on ways workflow and productivity can be intelligently automated and radically improved...

 and Pharisees
Pharisees
The Pharisees were at various times a political party, a social movement, and a school of thought among Jews during the Second Temple period beginning under the Hasmonean dynasty in the wake of...

. Summarized by Jesus into two "Great Commandment
Great Commandment
The Great Commandment, or Greatest Commandment, is an appellation applied to either the first, or both, of two commandments which appear in , and...

s" that teach love of God and love of neighbor, they instruct individuals on their relationships with both. The first three commandments demand respect for God's name
Names of God in Christianity
There are various names of God in Christianity. Some names refer to one person of the Trinity, while others refer to the entire Trinity. There are a number of names that can refer either to God the Father or to the entire Trinity, and often "God" is used directly. Many other terms, such as "The...

, observation of the Lord's Day
Lord's Day
Lord's Day is a Christian name for Sunday, the day of communal worship. It is observed by most Christians as the weekly memorial of the resurrection of Jesus Christ, who is said in the four canonical Gospels of the New Testament to have been witnessed alive from the dead early on the first day of...

 and prohibit the worship of other gods. The others deal with the relationships between individuals, such as that between parent and child
Honor your father and your mother
The commandment Honor your father and your mother is the fifth of the Ten Commandments in the Hebrew Bible. The commandment is generally regarded in Protestant and Jewish sources as the fifth in both the list in Exodus 20:1-21, and in Deuteronomy 5:1-23, though in Catholic counting this is the...

; they include prohibitions against lying, stealing, murdering, adultery
Adultery
Adultery is sexual infidelity to one's spouse, and is a form of extramarital sex. It originally referred only to sex between a woman who was married and a person other than her spouse. Even in cases of separation from one's spouse, an extramarital affair is still considered adultery.Adultery is...

 and covetousness.

Numbering

The Old Testament refers to ten individual commandments, even though there are more than ten imperative
Moral imperative
A moral imperative is a principle originating inside a person's mind that compels that person to act. It is a kind of categorical imperative, as defined by Immanuel Kant. Kant took the imperative to be a dictate of pure reason, in its practical aspect. Not following the moral law was seen to be...

 sentences in the two relevant texts: Exodus 20:1–17 and Deuteronomy 5:6–21. The Old Testament does not make clear how the texts should be divided to arrive at ten commandments. The division traditionally used by the Catholic and Lutheran
Lutheranism
Lutheranism is a major branch of Western Christianity that identifies with the theology of Martin Luther, a German reformer. Luther's efforts to reform the theology and practice of the church launched the Protestant Reformation...

 churches was first derived by the Latin Church Father Augustine of Hippo
Augustine of Hippo
Augustine of Hippo , also known as Augustine, St. Augustine, St. Austin, St. Augoustinos, Blessed Augustine, or St. Augustine the Blessed, was Bishop of Hippo Regius . He was a Latin-speaking philosopher and theologian who lived in the Roman Africa Province...

 (354–430) in his book Questions on Exodus. Other Christian churches, such as the Eastern Orthodox and some Protestant churches, use a form established by the Greek Fathers. The two forms have slightly different numbering, but maintain exactly the same substance despite false Protestant accusations. Jewish numbering differs from Christian denominations in that it considers what many Christians call a prologue to be the entire first commandment.

History

The Ten Commandments are recognized as a moral foundation by Judaism, Christianity and Islam. They first appear in the Book of Exodus, according to which Moses
Moses
Moses was, according to the Hebrew Bible and Qur'an, a religious leader, lawgiver and prophet, to whom the authorship of the Torah is traditionally attributed...

, acting under the orders of God, freed the Israelites from physical slavery in Egypt. According to Church teaching, God offered a covenant—which included the Ten Commandments—to also free them from the "spiritual slavery" of sin. Some historians have described this as "the central event in the history of ancient Israel".

The coming of Jesus
Ministry of Jesus
In the Christian gospels, the Ministry of Jesus begins with his Baptism in the countryside of Judea, near the River Jordan and ends in Jerusalem, following the Last Supper with his disciples. The Gospel of Luke states that Jesus was "about 30 years of age" at the start of his ministry...

 is seen by the Catholic Church as the fulfillment of the destiny of the Jews, who were chosen, according to Peter Kreeft
Peter Kreeft
Peter John Kreeft, Ph.D., is a professor of philosophy at Boston College and The King's College, and author of numerous books as well as a popular writer on philosophy, Christian theology, and specifically Catholic apologetics. He also formulated together with Ronald K. Tacelli, SJ, "Twenty...

, to "show the true God to the world". Jesus acknowledged the Commandments and instructed his followers to go further, requiring "more, not less: a 'righteousness (which) exceeds that of the scribes and Pharisees. Explaining Church teaching, Kreeft states, "The Commandments are to the moral order what the creation story in Genesis 1 is to the natural order. They are God's order conquering chaos. They are not man's ideas about God, but God's ideas about man." The Church teaches that Jesus freed people from keeping "the burdensome Jewish law (Torah
Torah
Torah- A scroll containing the first five books of the BibleThe Torah , is name given by Jews to the first five books of the bible—Genesis , Exodus , Leviticus , Numbers and Deuteronomy Torah- A scroll containing the first five books of the BibleThe Torah , is name given by Jews to the first five...

 or Mosaic Law) with its 613 distinct regulations
613 mitzvot
The 613 commandments is a numbering of the statements and principles of law, ethics, and spiritual practice contained in the Torah or Five Books of Moses...

 [but] not from the obligation to keep the Ten Commandments", because the Ten "were written 'with the finger of God', unlike [those] written by Moses". This teaching was reaffirmed at the Council of Trent
Council of Trent
The Council of Trent was the 16th-century Ecumenical Council of the Roman Catholic Church. It is considered to be one of the Church's most important councils. It convened in Trent between December 13, 1545, and December 4, 1563 in twenty-five sessions for three periods...

 (1545–1563) and at the Second Vatican Council
Second Vatican Council
The Second Vatican Council addressed relations between the Roman Catholic Church and the modern world. It was the twenty-first Ecumenical Council of the Catholic Church and the second to be held at St. Peter's Basilica in the Vatican. It opened under Pope John XXIII on 11 October 1962 and closed...

 (1962–1965).

Although it is uncertain what role the Ten Commandments played in early Christian worship, evidence suggests they were recited during some services and used in Christian education. For example, the Commandments are included in one of the earliest Christian writings, known as the Teaching of the Twelve Apostles or the Didache
Didache
The Didache or The Teaching of the Twelve Apostles is a brief early Christian treatise, dated by most scholars to the late first or early 2nd century...

. Scholars contend that the Commandments were highly regarded by the early Church as a summary of God's law. The Protestant scholar Klaus Bockmuehl believes that the Church replaced the Commandments with lists of virtues and vices, such as the seven deadly sins
Seven deadly sins
The 7 Deadly Sins, also known as the Capital Vices or Cardinal Sins, is a classification of objectionable vices that have been used since early Christian times to educate and instruct followers concerning fallen humanity's tendency to sin...

, from 400–1200. Other scholars contend that throughout Church history the Commandments have been used as an examination of conscience
Examination of conscience
Examination of conscience is a review of one's past thoughts, words, actions, and omissions for the purpose of ascertaining their conformity with, or deviation from, the moral law. Among Christians, this is generally a private review; secular intellectuals have, on occasion, published autocritiques...

 and that many theologians have written about them. While evidence exists that the Commandments were part of catechesis in monasteries and other venues, there was no official Church position to promote specific methods of religious instruction during the Middle Ages
Middle Ages
The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

. The Fourth Lateran Council (1215) was the first attempt to remedy this problem. Surviving evidence reveals that some bishops' efforts to implement the Council's resolutions included special emphasis on teaching the Commandments in their respective dioceses. Centuries later, the lack of instruction in them by some dioceses formed the basis of one of the criticisms launched against the Church by Protestant reformers.

Catechisms produced in specific dioceses from the mid-fourteenth century emphasized the Commandments and laid the foundation for the first official Church-wide catechism, the 1566 Roman Catechism. Commissioned by the Council of Trent, it provided "thorough discussions of each commandment" but gave greater emphasis to the seven sacraments to emphasize the Catholic belief
Roman Catholic theology
Roman Catholic theology comprises the "Roman Catholic teachings" of the Catholic Church which bases its conclusions on Scripture and Sacred Tradition, as interpreted by the Magisterium. The Church teaches that salvation comes through faith in Jesus Christ, keeping of the Ten commandments and...

 that Christian life was dependent upon the grace solely obtained through the sacramental life provided by the Catholic Church. This emphasis conflicted with Protestant beliefs, which held the Commandments as the source of divine grace. While more recent papal encyclicals offer interpretations of Church teaching on individual commandments, throughout history official Church teachings on the Commandments are based on their mentions in the Old and New Testaments and the writings of the early Church Fathers Origen
Origen
Origen , or Origen Adamantius, 184/5–253/4, was an early Christian Alexandrian scholar and theologian, and one of the most distinguished writers of the early Church. As early as the fourth century, his orthodoxy was suspect, in part because he believed in the pre-existence of souls...

, Irenaeus
Irenaeus
Saint Irenaeus , was Bishop of Lugdunum in Gaul, then a part of the Roman Empire . He was an early church father and apologist, and his writings were formative in the early development of Christian theology...

 and Augustine. Later, theologians Thomas Aquinas
Thomas Aquinas
Thomas Aquinas, O.P. , also Thomas of Aquin or Aquino, was an Italian Dominican priest of the Catholic Church, and an immensely influential philosopher and theologian in the tradition of scholasticism, known as Doctor Angelicus, Doctor Communis, or Doctor Universalis...

 and Bonaventure
Bonaventure
Saint Bonaventure, O.F.M., , born John of Fidanza , was an Italian medieval scholastic theologian and philosopher. The seventh Minister General of the Order of Friars Minor, he was also a Cardinal Bishop of Albano. He was canonized on 14 April 1482 by Pope Sixtus IV and declared a Doctor of the...

 offered notable commentaries on the Commandments. Aquinas, a Doctor of the Church
Doctor of the Church
Doctor of the Church is a title given by a variety of Christian churches to individuals whom they recognize as having been of particular importance, particularly regarding their contribution to theology or doctrine.-Catholic Church:In the Catholic Church, this name is given to a saint from whose...

, considered them to be the "primary precepts of justice and all law, and natural reason gives immediate assent to them as being plainly evident principles."

The most recent Catechism of the Catholic Church—the official summary of Church beliefs—devotes a large section to the Commandments, which serve as the basis for Catholic social teaching. According to the Catechism, the Church has given them a predominant place in teaching the faith since the fifth century. Kreeft explains that the Church regards them as "a path of life", and a "path to freedom" just as a schoolyard fence protects children from "life-threatening dangers".

First commandment

"I am the LORD your God, who brought you out of the land of Egypt, out of the house of bondage. You shall have no other gods before me. You shall not make for yourself a graven image, or any likeness of anything that is in heaven above, or that is in the earth beneath, or that is in the water under the earth; you shall not bow down to them or serve them."
The first commandment according to the Catechism of the Catholic Church

The first commandment, according to Church teaching, "means that [followers] must worship and adore God alone because God is alone." The Catechism explains that this prohibits idolatry
Idolatry
Idolatry is a pejorative term for the worship of an idol, a physical object such as a cult image, as a god, or practices believed to verge on worship, such as giving undue honour and regard to created forms other than God. In all the Abrahamic religions idolatry is strongly forbidden, although...

, providing examples of forbidden practices such as the worship of any creature, and of demons ... power, pleasure, race, ancestors, the state [and] money. Augustine interpreted this commandment as "Love God and then do what you will". Explaining this sentiment, Kreeft states that all sin "serves some other god, obeys another commander: the world or the flesh or the devil."

The Catechism associates this commandment with the three theological virtues. The first virtue, faith
Faith in Christianity
Faith, in Christianity, has been most commonly defined by the biblical formulation in the Letter to the Hebrews as "'the assurance of things hoped for, the conviction of things not seen". Most of the definitions in the history of Christian theology have followed this biblical formulation...

, instructs Catholics to believe in God and avoid heresy
Heresy
Heresy is a controversial or novel change to a system of beliefs, especially a religion, that conflicts with established dogma. It is distinct from apostasy, which is the formal denunciation of one's religion, principles or cause, and blasphemy, which is irreverence toward religion...

, apostasy
Apostasy
Apostasy , 'a defection or revolt', from ἀπό, apo, 'away, apart', στάσις, stasis, 'stand, 'standing') is the formal disaffiliation from or abandonment or renunciation of a religion by a person. One who commits apostasy is known as an apostate. These terms have a pejorative implication in everyday...

, and schism
Schism (religion)
A schism , from Greek σχίσμα, skhísma , is a division between people, usually belonging to an organization or movement religious denomination. The word is most frequently applied to a break of communion between two sections of Christianity that were previously a single body, or to a division within...

. The second virtue, hope
Hope (virtue)
Hope is one of the three theological virtues in Christian tradition. Hope being a combination of the desire for something and expectation of receiving it, the virtue is hoping for Divine union and so eternal happiness...

, cautions Catholics against despair and presumption. According to the Catechism, the last virtue, charity
Charity (virtue)
In Christian theology charity, or love , means an unlimited loving-kindness toward all others.The term should not be confused with the more restricted modern use of the word charity to mean benevolent giving.- Caritas: altruistic love :...

, can be met only if Catholics refrain from indifference or ingratitude toward God, and avoid spiritual laziness and a hatred of God stemming from pride. The Catechism enumerates specific violations of this commandment, including superstition, polytheism
Polytheism
Polytheism is the belief of multiple deities also usually assembled into a pantheon of gods and goddesses, along with their own mythologies and rituals....

, sacrilege, atheism, and all practices of magic and sorcery. It further prohibits astrology
Astrology
Astrology consists of a number of belief systems which hold that there is a relationship between astronomical phenomena and events in the human world...

, palm reading, and consulting horoscope
Horoscope
In astrology, a horoscope is a chart or diagram representing the positions of the Sun, Moon, planets, the astrological aspects, and sensitive angles at the time of an event, such as the moment of a person's birth. The word horoscope is derived from Greek words meaning "a look at the hours" In...

s or mediums. The Catechism attributes the latter actions to a "desire for power over time, history, and in the last analysis, other human beings as well as a wish to conciliate hidden powers".

Graven images

While Catholics are sometimes accused of worshiping images, in violation of the first commandment, the Church says this is a misunderstanding. In the Church's opinion, "the honor paid to sacred images is a 'respectful veneration', not the adoration due to God alone". In the 8th century, heated arguments arose over whether religious icon
Icon
An icon is a religious work of art, most commonly a painting, from Eastern Christianity and in certain Eastern Catholic churches...

s (in this context paintings) were prohibited by the first commandment. The dispute was almost entirely restricted to the Eastern church; the iconoclasts wished to prohibit icons, while the iconodules supported their veneration, a position consistently backed by the Western Church. At the Second Council of Nicaea
Second Council of Nicaea
The Second Council of Nicaea is regarded as the Seventh Ecumenical Council by Roman Catholics, Eastern Orthodox, Eastern Catholic Churches and various other Western Christian groups...

 in 787, the ecumenical council
Ecumenical council
An ecumenical council is a conference of ecclesiastical dignitaries and theological experts convened to discuss and settle matters of Church doctrine and practice....

 determined that the veneration of icons and statues was not in violation of the commandment and stated "whoever venerates an image venerates the person portrayed in it." At around the time of the controversy over Iconoclasm, the Western church began to use monumental sculpture
Monumental sculpture
The term monumental sculpture is often used in art history and criticism, but not always consistently. It combines two concepts, one of function, and one of size, and may include an element of a third more subjective concept. It is often used for all sculptures that are large...

, which by the Romanesque period
Romanesque art
Romanesque art refers to the art of Western Europe from approximately 1000 AD to the rise of the Gothic style in the 13th century, or later, depending on region. The preceding period is increasingly known as the Pre-Romanesque...

 became a major feature of Western Christian art, that has remained part of the Catholic tradition, in contrast to Eastern Christianity
Eastern Christianity
Eastern Christianity comprises the Christian traditions and churches that developed in the Balkans, Eastern Europe, Asia Minor, the Middle East, Northeastern Africa, India and parts of the Far East over several centuries of religious antiquity. The term is generally used in Western Christianity to...

, which avoids large religious sculpture. The Catechism, using very traditional arguments
Libri Carolini
The Libri Carolini , Opus Caroli regis contra synodum , also called Charlemagne's Books or simply the Carolines, are the work in four books composed on the command of Charlemagne, around 790, to refute the supposed conclusions of the Byzantine Second Council of Nicaea , particularly as...

, posits that God gave permission for images that symbolize Christian salvation by leaving symbols such as the bronze serpent
Nehushtan
The Nehushtan , in the Hebrew Bible, was a sacred object in the form of a snake of brass upon a pole.The priestly source of the Torah says that Moses used a 'fiery serpent' to cure the Israelites from snakebites...

, and the cherubim on the Ark of the Covenant
Ark of the Covenant
The Ark of the Covenant , also known as the Ark of the Testimony, is a chest described in Book of Exodus as solely containing the Tablets of Stone on which the Ten Commandments were inscribed...

. It states that "by becoming incarnate
Incarnation (Christianity)
The Incarnation in traditional Christianity is the belief that Jesus Christ the second person of the Trinity, also known as God the Son or the Logos , "became flesh" by being conceived in the womb of a woman, the Virgin Mary, also known as the Theotokos .The Incarnation is a fundamental theological...

, the Son of God introduced a new economy of images".

The United States Conference of Catholic Bishops
United States Conference of Catholic Bishops
The United States Conference of Catholic Bishops is the episcopal conference of the Catholic Church in the United States. Founded in 1966 as the joint National Conference of Catholic Bishops and United States Catholic Conference, it is composed of all active and retired members of the Catholic...

 (USCCB) explain the Catechism in their book entitled United States Catechism for Adults, published in 2006. Regarding graven images, they expound that this command addresses idolatry that in ancient times expressed itself in the worship of such things as the "sun, moon, stars, trees, bulls, eagles, and serpents" as well as "emperors and kings". They explain that today, idolatry expresses itself in the worship of other things, and list some as "power, money, materialism and sports."

Second commandment

"You shall not take the name of the Lord your God in vain."
The second commandment according to the Catechism of the Catholic Church

The second commandment prohibits the use of God's name in vain. Many ancient cultures believed that names were sacred; some had prohibitions on when a person's name could be spoken. The Gospel of John
Gospel of John
The Gospel According to John , commonly referred to as the Gospel of John or simply John, and often referred to in New Testament scholarship as the Fourth Gospel, is an account of the public ministry of Jesus...

 relates an incident where a group of Jews attempted to stone Jesus after he spoke God's name. They interpreted his statement as a claim of divinity. Since they did not believe that he was God, they considered this blasphemy, which under Mosaic law
Torah
Torah- A scroll containing the first five books of the BibleThe Torah , is name given by Jews to the first five books of the bible—Genesis , Exodus , Leviticus , Numbers and Deuteronomy Torah- A scroll containing the first five books of the BibleThe Torah , is name given by Jews to the first five...

 carries a death penalty. Kreeft writes that all of the names by which God is known are holy, and thus all of those names are protected by the second commandment. The Catechism states, "Respect for his name is an expression of the respect owed to the mystery of God himself and to the whole sacred reality it evokes." The Catechism also requires respect for the names of people out of respect for the dignity of that person.

The sentiment behind this commandment is further codified in the Lord's Prayer
Lord's Prayer
The Lord's Prayer is a central prayer in Christianity. In the New Testament of the Christian Bible, it appears in two forms: in the Gospel of Matthew as part of the discourse on ostentation in the Sermon on the Mount, and in the Gospel of Luke, which records Jesus being approached by "one of his...

, which begins, "Our Father who art in heaven, hallowed be thy name". According to Pope Benedict XVI
Pope Benedict XVI
Benedict XVI is the 265th and current Pope, by virtue of his office of Bishop of Rome, the Sovereign of the Vatican City State and the leader of the Catholic Church as well as the other 22 sui iuris Eastern Catholic Churches in full communion with the Holy See...

, when God revealed his name to Moses he established a relationship with mankind; Benedict states that the Incarnation was the culmination of a process that "had begun with the giving of the divine name." Benedict elaborates that this means the divine name could be misused and that Jesus' inclusion of "hallowed be thy name" is a plea for the sanctification of God's name, to "protect the wonderful mystery of his accessibility to us, and constantly assert his true identity as opposed to our distortion of it".

According to Catholic teaching, this commandment does not preclude the use of God's name in taking solemn oaths administered by legitimate authority. However, lying under oath
Perjury
Perjury, also known as forswearing, is the willful act of swearing a false oath or affirmation to tell the truth, whether spoken or in writing, concerning matters material to a judicial proceeding. That is, the witness falsely promises to tell the truth about matters which affect the outcome of the...

, invoking God's name for magical purposes, or voicing words of hatred or defiance against God are considered sins of blasphemy
Blasphemy
Blasphemy is irreverence towards religious or holy persons or things. Some countries have laws to punish blasphemy, while others have laws to give recourse to those who are offended by blasphemy...

.

Third commandment

"Remember the sabbath day, to keep it holy. Six days you shall labor, and do all your work; but the seventh day is a sabbath to the Lord your God; in it you shall not do any work."
The third commandment according to the Catechism of the Catholic Church


Quoting the Jewish rabbi and scholar Jacob Neusner
Jacob Neusner
Jacob Neusner is an American academic scholar of Judaism who lives in Rhinebeck, New York.-Biography:Born in Hartford, Connecticut, Neusner was educated at Harvard University, the Jewish Theological Seminary of America , the University of Oxford, and Columbia University.Neusner is often celebrated...

, Pope Benedict XVI explains that to Israel, keeping this commandment was more than ritual; it was a way to imitate God, who rested on the seventh day after the creation. It also constituted the core of the social order.
Although a few Christian denomination
Christian denomination
A Christian denomination is an identifiable religious body under a common name, structure, and doctrine within Christianity. In the Orthodox tradition, Churches are divided often along ethnic and linguistic lines, into separate churches and traditions. Technically, divisions between one group and...

s follow the Judaic practice of observing the Sabbath on Saturday, Catholics, along with most Christians, observe Sunday as a special day, which they call the "Lord's Day
Lord's Day
Lord's Day is a Christian name for Sunday, the day of communal worship. It is observed by most Christians as the weekly memorial of the resurrection of Jesus Christ, who is said in the four canonical Gospels of the New Testament to have been witnessed alive from the dead early on the first day of...

". This practice dates to the first century, arising from their belief that Jesus rose from the dead on the first day of the week. The Didache
Didache
The Didache or The Teaching of the Twelve Apostles is a brief early Christian treatise, dated by most scholars to the late first or early 2nd century...

 calls on Christians to come together on the Lord's Day to break bread and give thanks. Tertullian
Tertullian
Quintus Septimius Florens Tertullianus, anglicised as Tertullian , was a prolific early Christian author from Carthage in the Roman province of Africa. He is the first Christian author to produce an extensive corpus of Latin Christian literature. He also was a notable early Christian apologist and...

 is the first to mention Sunday rest:
"We, however (just as tradition has taught us), on the day of the Lord's Resurrection ought to guard not only against kneeling, but every posture and office of solicitude, deferring even our businesses lest we give any place to the devil" ("De orat.", xxiii; cf. "Ad nation.", I, xiii; "Apolog.", xvi).

In the sixth century, Saint Caesarius of Arles
Saint Caesarius of Arles
Saint Caesarius of Arles , sometimes called "of Chalon" from his birthplace Chalon-sur-Saône but more usually known as Caesarius of Arles from the see that he occupied as bishop for forty years, was the foremost ecclesiastic of his generation in Gaul...

 taught that the whole glory of the Jewish Sabbath had been transferred to Sunday and that Christians must keep Sunday as the Jews were commanded to keep the Sabbath, but the Council of Orléans in 538 reprobated this tendency as Jewish and non-Christian.

The Church leaders of later centuries inscribed Sunday rest into official Church teaching, and Christian governments have attempted to enforce the Sunday rest throughout history. For Catholics, Jesus' teaching that "the sabbath was made for man, not man for the sabbath" means that good works "when the needs of others demand it" can be part of the day of rest. The Catechism offers guidelines on how to observe the Lord's Day, which include attending Mass on Sundays and holy days of obligation
Holy Day of Obligation
In the Catholic Church, Holy Days of Obligation or Holidays of Obligation, less commonly called Feasts of Precept, are the days on which, as of the Code of Canon Law states,-Eastern Catholic Churches:...

. On these days, Catholics may not work or do activities that "hinder the worship due to God", but "performance of the works of mercy, and appropriate relaxation in a spirit of joy" are permitted.

According to the USCCB, this commandment "has been concretized for Catholics" as one of the Church precepts
Commandments of the Church
In the Roman Catholic Church, the Commandments of the Church or Precepts of the Church are certain laws considered binding on the faithful. As usually understood, they are moral and ecclesiastical, broad in character and limited in number. In modern times there are often said to be six, or...

. The organization cites the papal encyclical Dies Domini:
Because the faithful are obliged to attend Mass unless there is a grave impediment, pastors have the corresponding duty to offer everyone the real possibility of fulfilling the precept. ... Yet more than a precept, the observance should be seen as a need rising from the depths of Christian life. It is crucially important that all the faithful should be convinced that they cannot live their faith or share fully in the life of the Christian community unless they take part regularly in the Sunday Eucharistic assembly.

Fourth commandment

"Honor your father and your mother, that your days may be long in the land which the Lord your God gives you."
The fourth commandment according to the Catechism of the Catholic Church


Pope Benedict XVI states that Rabbi Neusner "rightly sees this commandment as anchoring the heart of the social order". It strengthens generational relationships, makes explicit the connection between family order and societal stability, and reveals that the family is "both willed and protected by God." Because parents' unconditional love for their children mirrors God's love, and because they have a duty to pass the faith on to their children, the Catechism calls the family "a domestic church", "a privileged community" and the "original cell of social life".

The Catechism says this commandment requires duties of children to parents that include:
  1. Respect toward parents that also flows to brothers and sisters.
  2. Gratitude, as expressed in a quote from Sirach
    Sirach
    The Book of the All-Virtuous Wisdom of Jesus ben Sira , commonly called the Wisdom of Sirach or simply Sirach, and also known as Ecclesiasticus or Siracides , is a work from the early 2nd century B.C. written by the Jewish scribe Jesus ben Sirach of Jerusalem...

    : "Remember that through your parents you were born; what can you give back to them that equals their gift to you?"
  3. Obedience to parents for as long as the child lives at home "when it is for his good or the good of the family", except when obedience would require the child to do something morally wrong.
  4. Support that requires grown children to offer material and moral support for their aging parents, particularly at times of "illness, loneliness, or distress".


Keeping this commandment, according to the Catechism, also requires duties of parents to children which include:
  1. "Moral education, spiritual formation and evangelization" of their children.
  2. Respect for their children as children of God and human persons.
  3. Proper discipline for children while being careful not to provoke them.
  4. "Avoiding pressure to choose a certain profession or spouse", which does not preclude parents from giving "judicious advice".
  5. "Being a good example" to their children.
  6. "Acknowledging their own failings" to their children to guide and correct them.

Jesus' expansion

The Gospel of Matthew
Gospel of Matthew
The Gospel According to Matthew is one of the four canonical gospels, one of the three synoptic gospels, and the first book of the New Testament. It tells of the life, ministry, death, and resurrection of Jesus of Nazareth...

 relates that when told his mother and brothers were waiting to see him, Jesus replied, "Who is my mother and who are my brothers?" Stretching his hand over his disciples he said, "Here are my mother and my brothers! For whoever does the will of my Father in heaven is my brother, and my sister, and mother." Pope Benedict XVI stated that this dictum of Jesus brought the fourth commandment to a new and higher level. By doing God's will, any person can become part of the universal family of Jesus. Thus, the fourth commandment's responsibilities extend to the greater society and requires respect for "legitimate social authorities". The Catechism specifies "duties of citizens and nations", which Kreeft summarizes as:
  1. "Obedience and honor" to "all who for our good have received authority in society from God".
  2. "Payment of taxes, exercising the right to vote and defending one's country".
  3. "An obligation to be vigilant and critical", which requires citizens to criticize that which harms human dignity and the community.
  4. "A duty to disobey" civil authorities and directives that are contrary to the moral order.
  5. "To practice charity", which is a "necessity for any working family or society"; it is the "greatest social commandment" and requires people to love God and neighbor.
  6. "To welcome the foreigner" who is in need of security and livelihood that cannot be found in his own country.
  7. "An obligation for rich nations to help poor nations", especially in times of "immediate need".
  8. "An expectation for families to help other families".

Fifth commandment

"You shall not kill."
The fifth commandment according to the Catechism of the Catholic Church


This commandment demands respect for human life. Jesus expanded it to prohibit unjust anger, hatred and vengeance, and to require Christians to love their enemies. The basis of all Catholic teaching about the fifth commandment is the sanctity of life ethic
Inviolability
In religion and ethics, inviolability or sanctity of life is a principle of implied protection regarding aspects of sentient life which are said to be holy, sacred, or otherwise of such value that they are not to be violated...

, which Kreeft argues is philosophically opposed to the quality of life ethic
Quality of life (healthcare)
Quality of Life is a phrase used to refer to an individual’s total wellbeing. This includes all emotional, social, and physical aspects of the individual’s life. However, when the phrase is used in reference to medicine and healthcare as Health Related Quality of Life, it refers to how the...

, a philosophy which he characterizes as introduced by a book entitled Die Freigabe der Vernichtung des Lebensunwerten Lebens (The Permission to Destroy Life Unworthy of Life) (see Life unworthy of life
Life unworthy of life
The phrase "life unworthy of life" was a Nazi designation for the segments of populace which had no right to live and thus were to be "euthanized". The term included people with serious medical problems and those considered grossly inferior according to racial policy of the Third Reich...

) and which he asserts was the "first to win public acceptance ... by German doctors before World War II—the basis and beginning of Nazi medical practices." This interpretation is supported by modern medical journals that discuss the dilemma posed by these opposing philosophies to physicians who must make life or death decisions. Some bioethicists characterize the use of the "Nazi analogy" as inappropriate when applied to quality of life decisions; some call this rhetoric "odiously wrong". The Church is actively involved in the public debates over abortion
Abortion
Abortion is defined as the termination of pregnancy by the removal or expulsion from the uterus of a fetus or embryo prior to viability. An abortion can occur spontaneously, in which case it is usually called a miscarriage, or it can be purposely induced...

, capital punishment
Capital punishment
Capital punishment, the death penalty, or execution is the sentence of death upon a person by the state as a punishment for an offence. Crimes that can result in a death penalty are known as capital crimes or capital offences. The term capital originates from the Latin capitalis, literally...

 and euthanasia
Euthanasia
Euthanasia refers to the practice of intentionally ending a life in order to relieve pain and suffering....

, and encourages believers to support legislation and politicians it describes as pro-life
Pro-life
Opposition to the legalization of abortion is centered around the pro-life, or anti-abortion, movement, a social and political movement opposing elective abortion on moral grounds and supporting its legal prohibition or restriction...

.

Abortion

The Catechism states: "Human life is sacred because from its beginning it involves the creative action of God and it remains forever in a special relationship with the Creator, who is its sole end. ... no one can under any circumstance claim for himself the right directly to destroy an innocent human being." Direct and intentional killing of an innocent human is considered a mortal sin
Mortal sin
Mortal sins are in the theology of some, but not all Christian denominations wrongful acts that condemn a person to Hell after death. These sins are considered "mortal" because they constitute a rupture in a person's link to God's saving grace: the person's soul becomes "dead", not merely weakened...

. Considered by the Church to be of an even greater gravity is the murder of family members, including "infanticide
Infanticide
Infanticide or infant homicide is the killing of a human infant. Neonaticide, a killing within 24 hours of a baby's birth, is most commonly done by the mother.In many past societies, certain forms of infanticide were considered permissible...

, fratricide
Fratricide
Fratricide is the act of a person killing his or her brother....

, patricide
Patricide
Patricide is the act of killing one's father, or a person who kills his or her father. The word patricide derives from the Latin word pater and the Latin suffix -cida...

, the murder of a spouse and procured abortion."

The Church defines the moment of conception
Fertilisation
Fertilisation is the fusion of gametes to produce a new organism. In animals, the process involves the fusion of an ovum with a sperm, which eventually leads to the development of an embryo...

 as the beginning of human life and stresses that the child in the womb must be "defended in its integrity, cared for, and healed, as far as possible, like any other human being". Abortion
Abortion
Abortion is defined as the termination of pregnancy by the removal or expulsion from the uterus of a fetus or embryo prior to viability. An abortion can occur spontaneously, in which case it is usually called a miscarriage, or it can be purposely induced...

 has been specifically and persistently condemned by the Church since the first century.
"Formal cooperation" in abortion incurs the penalty of excommunication
Excommunication
Excommunication is a religious censure used to deprive, suspend or limit membership in a religious community. The word means putting [someone] out of communion. In some religions, excommunication includes spiritual condemnation of the member or group...

 "by the very commission of the offense
Latae sententiae
Latæ sententiæ is a Latin term used in the canon law of the Catholic Church meaning literally "given sentence".Officially, a latae sententiae penalty follows automatically, by force of the law itself, when the law is contravened....

." The Catechism emphasizes that this penalty is not meant to restrict mercy, but that it makes clear the gravity of the crime and the irreparable harm done to the child, its parents and society. "Formal cooperation" in abortion extends not just to the mother who freely submits, but also to the doctor, nurses and anyone who directly aids in the act. The Church has ministries of reconciliation, such as Project Rachel, for those who sincerely repent of their sin of formal cooperation in abortion.

Official Church teaching allows for medical procedures and treatments intended to protect or restore the mother's health if she would be in mortal danger without them, even when such procedures carry some risk of death to the fetus. Examples include the removal of a fallopian tube
Fallopian tube
The Fallopian tubes, also known as oviducts, uterine tubes, and salpinges are two very fine tubes lined with ciliated epithelia, leading from the ovaries of female mammals into the uterus, via the utero-tubal junction...

 in the case of an ectopic pregnancy
Ectopic pregnancy
An ectopic pregnancy, or eccysis , is a complication of pregnancy in which the embryo implants outside the uterine cavity. With rare exceptions, ectopic pregnancies are not viable. Furthermore, they are dangerous for the parent, since internal haemorrhage is a life threatening complication...

, removal of a pregnant cancerous uterus, or an appendectomy.

Use of embryos for research or fertilization

The United States Catechism for Adults devotes a section to in vitro fertilization, stem-cell research and cloning
Cloning
Cloning in biology is the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria, insects or plants reproduce asexually. Cloning in biotechnology refers to processes used to create copies of DNA fragments , cells , or...

 in its explanation of the fifth commandment, because these often involve the destruction of human embryos, considered to be a gravely sinful form of murder. Embryonic stem cell
Embryonic stem cell
Embryonic stem cells are pluripotent stem cells derived from the inner cell mass of the blastocyst, an early-stage embryo. Human embryos reach the blastocyst stage 4–5 days post fertilization, at which time they consist of 50–150 cells...

 research is called "an immoral means to a good end" and "morally unacceptable." Citing the Congregation for the Doctrine of the Faith
Congregation for the Doctrine of the Faith
The Congregation for the Doctrine of the Faith , previously known as the Supreme Sacred Congregation of the Roman and Universal Inquisition , and after 1904 called the Supreme...

's Instruction on Respect for Human Life in its Origin and on the Dignity of Procreation, the US Bishops quote: "No objective, even though noble in itself, such as a foreseeable advantage to science, to other human beings, or to society, can in any way justify experimentation on living human embryos or fetuses, whether viable or not, either inside or outside the mother's body." The Bishops note that adult stem cell
Adult stem cell
Adult stem cells are undifferentiated cells, found throughout the body after embryonic development, that multiply by cell division to replenish dying cells and regenerate damaged tissues...

 research, using cells obtained with informed consent, is a promising field of research that is morally acceptable.

Suicide, euthanasia

The fifth commandment forbids suicide and the mercy killing of those who are dying, even to eliminate suffering. The ordinary care of those facing an imminent death may not morally be withheld, according to the Church. "Ordinary care" refers to food, water and pain relief, and does not include "extraordinary care", which refers to the use of respirators or feeding tubes that are considered discretionary. Allowing a terminally ill person to die, using painkillers that may shorten their life, or refusing extraordinary treatment to the terminally ill such as chemotherapy or radiation, are considered morally acceptable and not a violation of the fifth commandment.

Capital punishment

For the first two hundred years, Christians "refused to kill in the military, in self-defense, or in the judicial system", but there was no official Church position on the death penalty. When the Church was first officially recognized as a public institution in 313
Edict of Milan
The Edict of Milan was a letter signed by emperors Constantine I and Licinius that proclaimed religious toleration in the Roman Empire...

, its attitude toward capital punishment became one of toleration but not outright acceptance. The death penalty had support from early Catholic theologians; Saint Ambrose encouraged members of the clergy to pronounce and carry out capital punishment, while Augustine answered objections rooted in the fifth commandment in The City of God. Thomas Aquinas
Thomas Aquinas
Thomas Aquinas, O.P. , also Thomas of Aquin or Aquino, was an Italian Dominican priest of the Catholic Church, and an immensely influential philosopher and theologian in the tradition of scholasticism, known as Doctor Angelicus, Doctor Communis, or Doctor Universalis...

 and Duns Scotus
Duns Scotus
Blessed John Duns Scotus, O.F.M. was one of the more important theologians and philosophers of the High Middle Ages. He was nicknamed Doctor Subtilis for his penetrating and subtle manner of thought....

 also argued that civil authority to carry out capital punishment was supported by scripture. Pope Innocent III
Pope Innocent III
Pope Innocent III was Pope from 8 January 1198 until his death. His birth name was Lotario dei Conti di Segni, sometimes anglicised to Lothar of Segni....

 required Peter Waldo
Peter Waldo
Peter Waldo, Valdo, or Waldes , also Pierre Vaudès or de Vaux, is credited as the founder of the Waldensians, a Christian spiritual movement of the Middle Ages, descendants of which still exist in various regions of southern Europe...

 and the Waldensians
Waldensians
Waldensians, Waldenses or Vaudois are names for a Christian movement of the later Middle Ages, descendants of which still exist in various regions, primarily in North-Western Italy. There is considerable uncertainty about the earlier history of the Waldenses because of a lack of extant source...

 to accept that "secular power can, without mortal sin, exercise judgement of blood, provided that it punishes with justice, not out of hatred, with prudence, not precipitation" as a prerequisite for reconciliation with the church. Paul Suris states that official Church teachings have neither absolutely condemned nor promoted capital punishment, but toleration of it has fluctuated throughout the ages. The Inquisitions provide the most memorable instance of Church support for capital punishment, although some historians considered these more lenient than the secular courts of the period.

The Catechism of the Catholic Church states that the death penalty is permissible in cases of extreme gravity. It is allowed if the "guilty party's identity and responsibility have been fully determined" and if the death penalty is the only way to defend others against the guilty party. However, if there are other means available to defend people from the "unjust aggressor", these are preferred because they are considered to be more respectful of the dignity of the person and in keeping with the common good. Because modern societies have effective means for preventing crime without execution, the Catechism declares, "the cases in which execution of the offender is an absolute necessity 'are very rare, if practically nonexistent. Pope John Paul II discussed and affirmed this in Evangelium Vitae
Evangelium Vitae
Evangelium Vitae is the name of the encyclical written by Pope John Paul II which expresses the position of the Catholic Church regarding the value and inviolability of human life...

, published in 1995.

Personal health, dead bodies, burial

According to Church teaching, respect for human life requires respect for one's own body, precluding unhealthy behavior, the abuse of food, alcohol, medicines and illegal drugs. The Church also warns against the opposite behavior of "excessive preoccupation with the health and welfare of the body that 'idolizes' physical perfection, fitness, and success at sports."

Kidnapping, terrorism, torture, sterilizations, amputations, mutilations that are not for therapeutic medical reasons are forbidden. According to the Catechism, societies have a moral obligation to strive to provide healthy living conditions for all people.

Church belief in the resurrection of the body led to a prohibition against cremation
Cremation
Cremation is the process of reducing bodies to basic chemical compounds such as gasses and bone fragments. This is accomplished through high-temperature burning, vaporization and oxidation....

 that was lifted at the Second Vatican Council
Second Vatican Council
The Second Vatican Council addressed relations between the Roman Catholic Church and the modern world. It was the twenty-first Ecumenical Council of the Catholic Church and the second to be held at St. Peter's Basilica in the Vatican. It opened under Pope John XXIII on 11 October 1962 and closed...

 in the 1960s. According to the Catechism, burial of the dead is a corporal work of mercy
Works of Mercy
The Works of Mercy or Acts of Mercy are actions and practices which Christianity in general, and the Methodist Church, Roman Catholic Church and the Eastern Orthodox Church in particular, consider expectations to be fulfilled by believers, and are a means of grace, which aid in sanctification.The...

 that must treat the body with respect and love (e.g. scattering of cremated remains, burial in a unmarked grave, etc. are forbidden in the Catholic Church). Organ donation, cremation and autopsies for legal and scientific reasons are permitted.

War and self-defense

In the Sermon on the Mount
Sermon on the Mount
The Sermon on the Mount is a collection of sayings and teachings of Jesus, which emphasizes his moral teaching found in the Gospel of Matthew...

, Jesus recalls the commandment, "You shall not kill" and then adds to it the proscriptions against anger, hatred and vengeance. Going further, Christ asks his disciples to love their enemies. The Catechism asserts that "it is legitimate to insist on respect for one's own right to life." Kreeft says, "self-defense is legitimate for the same reason suicide is not: because one's own life is a gift from God, a treasure we are responsible for preserving and defending." The Catechism teaches that "someone who defends his life is not guilty of murder even if he is forced to deal his aggressor a lethal blow." Legitimate defense can be not only a right but a grave duty for one who is responsible for the lives of others. The defense of the common good requires that an unjust aggressor be rendered unable to cause harm. For this reason, those who legitimately hold authority also have the right to use arms to repel aggressors against the civil community entrusted to their responsibility.

The Church requires all to pray and work to prevent unjust wars, but allows for just wars
Just War
Just war theory is a doctrine of military ethics of Roman philosophical and Catholic origin, studied by moral theologians, ethicists and international policy makers, which holds that a conflict ought to meet philosophical, religious or political criteria.-Origins:The concept of justification for...

 if certain conditions are met:
  1. The reasons for going to war are defensive.
  2. "The damage inflicted by the aggressor ... must be lasting, grave, and certain."
  3. It is a last resort taken only after all other means of putting an end to the "grave damage" have been ineffective.
  4. The ultimate aim is peace and there is a serious chance of success.
  5. No graver evils are produced that overshadow the evil to be eliminated. This forbids the use of arms to eliminate whole cities and areas with their inhabitants.
  6. Respect and care is required for non-combatants, wounded soldiers and prisoners. Soldiers are required to disobey commands to commit genocide and ones that violate universal principles.

Scandal

The Catechism classifies scandal under the fifth commandment and defines it as "an attitude or behavior which leads another to do evil". In the Gospel of Matthew, Jesus stated, "Whoever causes one of these little ones who believe in me to sin, it would be better for him to have a great millstone fastened round his neck and to be drowned in the depth of the sea." The Church considers it a serious crime to cause another's faith, hope and love to be weakened, especially if it is done to young people and the perpetrator is a person of authority such as a parent, teacher or priest.

Sixth commandment

"You shall not commit adultery."
The sixth commandment according to the Catechism of the Catholic Church


According to the Church, humans are sexual beings whose sexual identity extends beyond the body to the mind and soul. The sexes are meant by divine design to be different and complementary, each having equal dignity and made in the image of God. Sexual acts are sacred within the context of the marital relationship that reflects a "complete and lifelong mutual gift of a man and a woman." Sexual sins thus violate not just the body but the person's whole being. In his 1995 book Crossing the Threshold of Hope
Crossing the Threshold of Hope
-Publishing Information:Crossing the Threshold of Hope was written in 1994 by Pope John Paul II. It was published originally in Italian by Arnoldo Mondadori Editore and in English by Alfrede A. Knopf, Inc. It is distributed by Random House, Inc., New York...

, John Paul II reflected on this concept:

After all, young people are always searching for the beauty in love. They want their love to be beautiful. If they give in to weakness, following the models of behavior that can rightly be considered a 'scandal in the contemporary world' (and these are, unfortunately, widely diffused models), in the depths of their hearts they still desire a beautiful and pure love. This is as true of boys as it is of girls. Ultimately, they know that only God can give them this love. As a result, they are willing to follow Christ, without caring about the sacrifices this may entail.


Like Orthodox Judaism and Islam, the Catholic Church considers all sexual acts outside of marriage to be grave sins. The gravity of the sin excludes one from sacramental communion' until repented of and forgiven in sacramental confession."

Vocation to chastity

Church teaching on the sixth commandment includes a discussion on chastity
Chastity
Chastity refers to the sexual behavior of a man or woman acceptable to the moral standards and guidelines of a culture, civilization, or religion....

. The Catechism describes chastity as a "moral virtue ... a gift from God, a grace, a fruit of spiritual effort." The Church sees sex as more than a physical act; it also affects body and soul, so the Church teaches that chastity is a virtue all people are called to acquire. It is defined as the inner unity of a person's "bodily and spiritual being" that successfully integrates a person's sexuality with his or her "entire human nature." To acquire this virtue, followers are encouraged to enter into the "long and exacting work" of self-mastery that is helped by friendships, God's grace, maturity and education "that respects the moral and spiritual dimensions of human life." The Catechism categorizes violations of the sixth commandment into two categories: "offenses against chastity" and "offenses against the dignity of marriage".

Offenses against chastity

The Catechism lists the following "offenses against chastity" in increasing order of gravity:
  1. Lust: the Church teaches that sexual pleasure is good and created by God, who meant for spouses to "experience pleasure and enjoyment of body and spirit". Kreeft says, "Lust does not mean sexual pleasure as such, nor the delight in it, nor the desire for it in its right context." Lust is the desire for sexual pleasure alone, outside its intended purpose of procreation and the uniting of man and woman, body and soul, in mutual self-donation.
  2. Masturbation is considered sinful for the same reasons as lust, but is a step above lust in that it involves a physical act instead of a mental one.
  3. Fornication is the sexual union of an unmarried man and an unmarried woman. This is considered contrary to "the dignity of persons and of human sexuality" because it is not ordered to the "good of spouses" or the "generation and education of children."
  4. Pornography ranks higher because it is considered a perversion of the sexual act that is intended for distribution to third parties for viewing.
  5. Prostitution is considered sinful for both the prostitute and the customer; it reduces a person to an instrument of sexual pleasure, violating human dignity and harming society. The gravity of the sinfulness is less for prostitutes who are forced into the act by destitution, blackmail or social pressure—than it is for the customer.
  6. Rape is an intrinsically evil act that can cause grave damage to the victim for life.
  7. Incest, or "rape of children by parents or other adult relatives" or "those responsible for the education of the children entrusted to them" is considered the most heinous of sexual sins.

Homosexuality

The Catechism devotes a separate section to homosexuality within its explanation of the sixth commandment. Like heterosexual acts outside of marriage, homosexual acts are considered sins
Homosexuality and Roman Catholicism
In Roman Catholicism, homosexual acts are considered contrary to natural law and sinful, while homosexual desires are considered "disordered" but not themselves sinful. The Catholic Church considers human sexual behavior to be sacred, when properly expressed...

. The Church distinguishes between homosexual attractions, which are not considered sinful, and homosexual acts, which are. The Catechism states that they "violate natural law, cannot bring forth life, and do not proceed from a genuine affective and sexual complementarity. Under no circumstances can they be approved." The Church teaches that a homosexual inclination is "objectively disordered" and can be a great trial for the person, who the Church teaches must be "accepted with respect, compassion and sensitivity ... unjust discrimination in their regard should be avoided."

Homosexuals are, according to the Church, "called to chastity". They are instructed to practice the virtues of "self-mastery" that teaches "inner freedom" using the support of friends, prayer and grace found in the sacraments of the Church. These tools are meant to help homosexuals "gradually and resolutely approach Christian perfection", which is a state to which all Christians are called.

(Two lay movements represent opposing philosophies regarding homosexuality: DignityUSA
DignityUSA
DignityUSA is a U.S. organization with headquarters in Boston, Massachusetts that "works for respect and justice" for lesbian, gay, bisexual, and transgender persons in the Roman Catholic Church and the world through education, advocacy and support...

 seeks to change the Church's teachings to justify homosexual acts; Courage International
Courage International
Courage International is an apostolate and Christian ministry of the Roman Catholic Church, which "ministers to those with same-sex attractions,"...

 is an organization of homosexuals who "support each other in the sincere effort to live in chastity and in fidelity to Christ and his Church".)

Love of husband and wife

According to Church teaching, spousal love is intended to form an unbroken, two-fold end: the union of husband and wife and the transmission of life. The unitive aspect includes the transference of each partner's being "so that they are no longer two but one flesh." The sacrament of matrimony
Catholic marriage
Catholic marriage, also called matrimony, is a "covenant by which a man and a woman establish between themselves a partnership of the whole of life and which is ordered by its nature to the good of the spouses and the procreation and education of offspring...

 is viewed as God's sealing the consent which binds the partners together. Church teaching on the marital state requires spousal acceptance of each other's failures and faults, and the recognition that the "call to holiness in marriage" is one that requires a process of spiritual growth and conversion that can last throughout life.

Fecundity of marriage, sexual pleasure, birth control

Throughout Church history, Catholic thinkers offered differing opinions on sexual pleasure. Some saw it as sinful, while others disagreed. The Church did not have a formal position until the 1546 Council of Trent decided that "concupiscence
Concupiscence
Concupiscence is often defined as an ardent, usually sensual, longing or lust. The concept is most commonly encountered in Christian theology, as the selfish human desire for an object, person, or experience...

" invited sin but was "not formally sinful in itself." In 1679, Pope Innocent XI condemned "marital sex exercised for pleasure alone". The Church position on sexual activity can be summarized as: "sexual activity belongs only in marriage as an expression of total self-giving and union, and always open to the possibility of new life." Sexual acts in marriage are considered "noble and honorable" and are meant to be enjoyed with "joy and gratitude."

Artificial birth control
Contraception
Contraception is the prevention of the fusion of gametes during or after sexual activity. The term contraception is a contraction of contra, which means against, and the word conception, meaning fertilization...

 predates Christianity; the Catholic Church has condemned these methods throughout its history. In response to the Church of England
Church of England
The Church of England is the officially established Christian church in England and the Mother Church of the worldwide Anglican Communion. The church considers itself within the tradition of Western Christianity and dates its formal establishment principally to the mission to England by St...

 accepting the practice of artificial contraception in 1930, the Catholic Church issued the papal encyclical Casti Connubii
Casti Connubii
Castī Connūbiī was a papal encyclical promulgated by Pope Pius XI on December 31, 1930 in response to the Lambeth Conference of the Anglican church. It stressed the sanctity of marriage, prohibited Catholics from using any form of artificial birth control, and reaffirmed the prohibition on abortion...

on 31 December 1930. The 1968 papal encyclical Humanae Vitae
Humanae Vitae
Humanae Vitae is an encyclical written by Pope Paul VI and issued on 25 July 1968. Subtitled On the Regulation of Birth, it re-affirms the traditional teaching of the Catholic Church regarding married love, responsible parenthood, and the continuing proscription of most forms of birth...

is a reaffirmation of the Catholic Church's traditional view of marriage and marital relations, and a continued condemnation of artificial birth control.

The Church encourages large families, seeing them as a blessing. It recognizes that responsible parenthood sometimes calls for reasonable spacing or limiting of births and considers natural family planning
Natural family planning
Natural family planning is a term referring to the family planning methods approved by the Roman Catholic Church. In accordance with the Church's requirements for sexual behavior in keeping with its philosophy of the dignity of the human person, NFP excludes the use of other methods of birth...

 as morally acceptable, but rejects all methods of artificial contraception. The Church rejects all forms of artificial insemination and fertilization
Reproductive technology
Reproductive technology encompasses all current and anticipated uses of technology in human and animal reproduction, including assisted reproductive technology, contraception and others.-Assisted reproductive technology:...

 because the techniques divorce the sexual act from the creation of a child. The Catechism states, "A child is not something owed to one, but is a gift ... 'the supreme gift of marriage.

Many Church members and non-members have criticized Church support for natural family planning, and contend it contributes to overpopulation and poverty. The Church's rejection of condom
Condom
A condom is a barrier device most commonly used during sexual intercourse to reduce the probability of pregnancy and spreading sexually transmitted diseases . It is put on a man's erect penis and physically blocks ejaculated semen from entering the body of a sexual partner...

 use is widely criticized, in particular with regard to countries where the incidence of AIDS
AIDS
Acquired immune deficiency syndrome or acquired immunodeficiency syndrome is a disease of the human immune system caused by the human immunodeficiency virus...

 and HIV
HIV
Human immunodeficiency virus is a lentivirus that causes acquired immunodeficiency syndrome , a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive...

 has reached epidemic proportions. In its defense, the Church cites countries such as Kenya and Uganda, where behavioral changes are encouraged alongside condom use, and where greater progress in controlling the disease has been made than in countries that promote condom use alone.

Offenses against the dignity of marriage

According to the Church, adultery and divorce are considered offenses against the dignity of marriage and are defined as follows:
  1. Adultery is the sexual union of a man and woman where at least one is married to someone else. It is for this reason that the Church considers it a greater sin than fornication. Kreeft states, "The adulterer sins against his spouse, his society, and his children as well as his own body and soul."
  2. Divorce: According to the Catholic New American Bible
    New American Bible
    The New American Bible is a Catholic Bible translation first published in 1970. It had its beginnings in the Confraternity Bible, which began to be translated from the original languages in 1948....

    translation, Jesus taught, "whoever divorces his wife (unless the marriage is unlawful) causes her to commit adultery, and whoever marries a divorced woman commits adultery." Explaining Church interpretation of this teaching, Kreeft says Jesus considered divorce to be an accommodation that had slipped into Jewish law. The Church teaches that marriage was created by God and was meant to be indissoluble: like the creation of a child that cannot be "un-created", neither can the "one flesh" of the marriage bond. The Catechism states, "Divorce is a grave offense against the natural law. It claims to break the contract, to which the spouses freely consented, to live with each other till death." By marrying another, the divorced person adds to the gravity of the offense as the remarried spouse is considered to be in a state of "public and permanent adultery".

Separation, civil divorce, annulments

According to the Church, there are situations that do not equate to divorce:
  1. In extreme situations, such as domestic violence, separation is allowed. This is not considered a divorce and may be justified.
  2. Civil divorce is not a divorce according to the Church. If it is deemed to be the only way of ensuring legal rights, care of children, or protection of inheritance, the Church considers it morally acceptable.
  3. Annulment
    Annulment (Catholic Church)
    In the Roman Catholic Church an annulment is the procedure, governed by the Church's Canon Law and the Catechism, whereby an ecclesial tribunal determines the sacrament of marriage was invalidly entered into. An annulment determines the Catholic marriage to be void at its inception...

     is not a divorce; it is a ruling by the Church that the marriage was never valid. The marriage is deemed invalid if it lacks one of five integral elements: it should be "complete", "lifelong", "mutual", a "free gift" and of "man and woman". According to Pope John Paul II's Address to the Roman Rota on 22 January 1996, couples do not have a right to an annulment, but do have a right to make their case for nullity or validity before "the competent Church authority and to request a decision in the matter." According to the Catholic Diocese of Arlington:
    ... signs that might indicate reasons to investigate for an annulment are: marriage that excluded at the time of the wedding the right to children, or to a permanent marriage, or to an exclusive commitment. In addition, there are youthful marriages; marriages of very short duration; marriages marked by serious emotional, physical, or substance abuse; deviant sexual practices; profound and consistent irresponsibility and lack of commitment; conditional consent to a marriage; fraud or deceit to elicit spousal consent; serious mental illness; or a previous bond of marriage. The determination of the ground should be made after extensive consultation with the parish priest or deacons, and based upon the proofs that are available.

Seventh commandment

"You shall not steal."
The seventh commandment according to the Catechism of the Catholic Church


The Catechism explains that this commandment regulates worldly goods, and forbids unjustly taking, using or damaging those that belong to someone else. It places requirements upon those who possess worldly goods to use them responsibly, taking into consideration the good of society. The Catechism addresses the concept of human stewardship of God's creation in its explanation of the seventh commandment and forbids abuse of animals and the environment.

Private property

According to the Church, people have a right to private property. However, ownership makes that person "a steward" who is expected to make it "fruitful" or profitable in a way that benefits others after that person has first taken care of their family. Private property and the common good are seen as complementary elements that exist for the purpose of strengthening society. The taking of another's private property "in obvious and urgent necessity ... to provide for immediate, essential needs (food, shelter, clothing)" is not considered by the Church to be stealing. The concept of slavery as private property is condemned by the Church, which classifies it as the stealing of a person's human rights.

Social justice

The papal encyclical Rerum Novarum
Rerum Novarum
Rerum Novarum is an encyclical issued by Pope Leo XIII on May 15, 1891. It was an open letter, passed to all Catholic bishops, that addressed the condition of the working classes. The encyclical is entitled: “Rights and Duties of Capital and Labour”...

discusses the relationships and mutual duties between labor and capital, as well as government and its citizens. Of primary concern was the need for some amelioration for "the misery and wretchedness pressing so unjustly on the majority of the working class". The encyclical supported the right to form unions, rejected communism
Communism
Communism is a social, political and economic ideology that aims at the establishment of a classless, moneyless, revolutionary and stateless socialist society structured upon common ownership of the means of production...

 and unrestricted capitalism
Capitalism
Capitalism is an economic system that became dominant in the Western world following the demise of feudalism. There is no consensus on the precise definition nor on how the term should be used as a historical category...

, and affirmed the right to private property
Private property
Private property is the right of persons and firms to obtain, own, control, employ, dispose of, and bequeath land, capital, and other forms of property. Private property is distinguishable from public property, which refers to assets owned by a state, community or government rather than by...

.

Church interpretation of the seventh commandment teaches that business owners should balance a desire for profits that will ensure the future of the business with a responsibility toward the "good of persons". Business owners are required to pay their workers a reasonable wage, honor contracts, and abstain from dishonest activity, including bribery of government officials. Workers are required to do their jobs conscientiously, as they have been hired to do them, and to avoid dishonesty in the workplace, such as using office goods for personal use without permission.

The church teaches that a balance should exist between government regulation and the laws of the marketplace. It deems that sole reliance on the marketplace (pure capitalism) insufficiently addresses many human needs, while sole reliance on government regulation (pure socialism) "perverts the basis of social bonds". However, the Church does not reject either capitalism or socialism but warns against excessive extremes of each system that result in injustice to persons.

Wealthier nations, like wealthier individuals, have a moral obligation to help poorer nations and individuals, and work to reform financial institutions and economic factors to benefit all.

Eighth commandment

"You shall not bear false witness against your neighbor."
The eighth commandment according to the Catechism of the Catholic Church


The Catechism explains that bearing false witness or "speaking a falsehood with the intention of deceiving" encompasses all violations of truth. These violations have degrees of gravity depending on the "intentions of the one who lies and the harms suffered by its victims." Listed as follows, these are:
  1. False witness and perjury: statements made publicly in court which obstruct justice by condemning the innocent or exonerating the guilty, or which may increase the punishment of the accused.
  2. Rash judgement: believing, without sufficient evidence, statements that accuse another of moral faults.
  3. Detraction: the disclosure of another's faults without a valid reason.
  4. Calumny: lying to harm a person's reputation and providing opportunity to others to make false judgements concerning them.
  5. Flattery: "speech to deceive others for our benefit."
  6. Bragging, boasting, or mocking: speech which either only honors oneself or dishonors others.


The Church requires those who have damaged the reputation of another to "make reparation for the untruth they have communicated." However, it does not require a person to reveal a truth to someone who does not have a right to know, and teaches respect for a right to privacy. Priests are prohibited from violating the seal of confession no matter how grave the sin or its impact on society.

Included in the Church teachings of this commandment is the requirement for Christians to bear witness to their faith "without equivocation" in situations that require it. The use of modern media in spreading untruths, by individuals, businesses or governments, is condemned.

Ninth commandment

"You shall not covet your neighbor's house; you shall not covet your neighbor's wife, or his manservant, or his maidservant, or his ox, or his ass, or anything that is your neighbor's."
The ninth commandment according to the Catechism of the Catholic Church


The ninth and tenth commandments deal with coveting, which is an interior disposition not a physical act. The Catechism distinguishes between covetousness of the flesh (sexual desire for another's spouse) and covetousness for another's worldly goods. The ninth commandment deals with the former and the tenth the latter.

Jesus emphasized the need for pure thoughts as well as actions, and stated, "Everyone who looks at a woman lustfully has already committed adultery with her in his heart." The Catechism states that, with the help of God's grace, men and women are required to overcome lust and bodily desires "for sinful relationships with another person's spouse." Purity of heart is suggested as the necessary quality needed to accomplish this task; common Catholic prayers and hymns include a request for this virtue.
The Church identifies gifts of God that help a person maintain purity:
  1. Chastity, which enables people to love others with upright and undivided hearts.
  2. Purity of intention, which seeks to fulfill God's will in everything, knowing that it alone will lead to the true end of man.
  3. Purity of vision, "external and internal", disciplining the thoughts and imagination to reject those that are impure.
  4. Prayer that recognizes the power of God to grant a person the ability to overcome sexual desires.
  5. Modesty, of the feelings as well as the body is discreet in choice of words and clothing.


Jesus stated, "Blessed are the clean of heart, for they shall see God." This purity of heart, which the ninth commandment introduces, is the "precondition of the vision of God" and allows the person to see situations and people as God sees. The Catechism teaches that "there is a connection between purity of heart, of body and of faith."

Tenth commandment

"You shall not covet ... anything that is your neighbor's. ... You shall not desire your neighbor's house, his field, or his manservant, or his maidservant, or his ox, or his ass, or anything that is your neighbor's."
The tenth commandment according to the Catechism of the Catholic Church


Detachment from riches is the goal of the tenth commandment and the first Beatitude ("blessed are the poor in spirit") because, according to the Catechism, this precept is necessary for entrance into the Kingdom of heaven
Kingdom of God
The Kingdom of God or Kingdom of Heaven is a foundational concept in the Abrahamic religions: Judaism, Christianity and Islam.The term "Kingdom of God" is found in all four canonical gospels and in the Pauline epistles...

. Covetousness is prohibited by the tenth commandment because it is considered to be the first step toward commission of theft, robbery and fraud; these may lead to violence and injustice. The Church defines covetousness as a "disordered desire" that can take different forms:
  1. Greed is the desire for too much of what one does not need.
  2. Envy is the desire for what belongs to another. The US Bishops define it as "an attitude that fills us with sadness at the sight of another's prosperity."


Explaining Church teaching of this commandment, Kreeft cites Saint Thomas Aquinas
Thomas Aquinas
Thomas Aquinas, O.P. , also Thomas of Aquin or Aquino, was an Italian Dominican priest of the Catholic Church, and an immensely influential philosopher and theologian in the tradition of scholasticism, known as Doctor Angelicus, Doctor Communis, or Doctor Universalis...

, who wrote, "An evil desire can only be overcome by a stronger good desire." The US Bishops suggest that this can be achieved through cultivation of goodwill, humility and gratitude for one's own and others' blessings, while trusting in God's grace. Kreeft explains that Saint Paul the Apostle illustrated the concept in his letter to the Philippians
Epistle to the Philippians
The Epistle of Paul to the Philippians, usually referred to simply as Philippians, is the eleventh book in the New Testament. Biblical scholars agree that it was written by St. Paul to the church of Philippi, an early center of Christianity in Greece around 62 A.D. Other scholars argue for an...

when he listed his worldly credentials as a respected Jew and stated, "I count everything as loss because of the surpassing worth of knowing Christ Jesus my Lord." As Jesus stated, "What shall it profit a man if he shall gain the whole world, and lose his own Church teaching on the tenth commandment is directed toward this same attitude toward worldly goods, termed "poverty of spirit".
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