The Form of the Good - AbsoluteAstronomy.com

Plato

Plato , was a Classical Greek philosopher, mathematician, student of Socrates, writer of philosophical dialogues, and founder of the Academy in Athens, the first institution of higher learning in the Western world. Along with his mentor, Socrates, and his student, Aristotle, Plato helped to lay the...

describes "The Form of the Good" (τοῦ ἀγαθοῦ ἰδέαν) in his dialogue

Dialogue

Dialogue is a literary and theatrical form consisting of a written or spoken conversational exchange between two or more people....

, the Republic, speaking through the character of Socrates

Socrates

Socrates was a classical Greek Athenian philosopher. Credited as one of the founders of Western philosophy, he is an enigmatic figure known chiefly through the accounts of later classical writers, especially the writings of his students Plato and Xenophon, and the plays of his contemporary ...

. The Sun

Sun

The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

is described in a simile as the child or offspring (ἔκγονος ekgonos) of the Form

Platonic realism

Platonic realism is a philosophical term usually used to refer to the idea of realism regarding the existence of universals or abstract objects after the Greek philosopher Plato , a student of Socrates. As universals were considered by Plato to be ideal forms, this stance is confusingly also called...

of the Good (508c-509a), in that, like the sun which makes physical objects visible and generates life on earth, the Good makes all other universals

Universal (metaphysics)

In metaphysics, a universal is what particular things have in common, namely characteristics or qualities. In other words, universals are repeatable or recurrent entities that can be instantiated or exemplified by many particular things. For example, suppose there are two chairs in a room, each of...

intelligible, and in some sense provides being to all other Forms, though the Good itself exceeds being. It is an absolute measure of justice

Justice

Justice is a concept of moral rightness based on ethics, rationality, law, natural law, religion, or equity, along with the punishment of the breach of said ethics; justice is the act of being just and/or fair.-Concept of justice:...

. Plato also explains his theory of justice in the Republic, in relation to his conception of a city in speech, both of which necessitate rule of the rational

Rationalism

In epistemology and in its modern sense, rationalism is "any view appealing to reason as a source of knowledge or justification" . In more technical terms, it is a method or a theory "in which the criterion of the truth is not sensory but intellectual and deductive"...

mind

Mind

The concept of mind is understood in many different ways by many different traditions, ranging from panpsychism and animism to traditional and organized religious views, as well as secular and materialist philosophies. Most agree that minds are constituted by conscious experience and intelligent...

; in other words, philosopher-kings, who can grasp the Form of the Good.

Plato writes that the Form (or Idea) of the Good is the ultimate object of knowledge, although it is not knowledge itself, and from the Good, things that are just gain their usefulness and value. Humans are compelled to pursue the good, but no one can hope to do this successfully without philosophical reasoning. According to Plato, true knowledge is conversant, not about those material objects and imperfect intelligences which we meet within our daily interactions with all mankind, but rather it investigates the nature of those purer and more perfect patterns which are the models after which all created beings are formed. Plato supposes these perfect types to exist from all eternity and calls them the Forms or Ideas. As these Forms cannot be perceived by human senses, whatever knowledge

Knowledge

Knowledge is a familiarity with someone or something unknown, which can include information, facts, descriptions, or skills acquired through experience or education. It can refer to the theoretical or practical understanding of a subject...

we attain of the Forms must be seen through the mind's eye (cf. Parmenides 132a), while ideas derived from the concrete world of flux ultimately is unsatisfactory and uncertain (see the Theaetetus
Theaetetus (dialogue)
The Theaetetus is one of Plato's dialogues concerning the nature of knowledge. The framing of the dialogue begins when Euclides tells his friend Terpsion that he had written a book many years ago based on what Socrates had told him of a conversation he'd had with Theaetetus when Theaetetus was...

). He maintains that degree of skepticism which denies all permanent authority to the evidence of sense. In essence, Plato suggests that justice, truth, equality, beauty, and many others ultimately derive from the Form of the Good.

Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

was critical of the Forms of Good, and discussed it several times in both of his major surviving ethical works, the Eudemian and Nicomachean Ethics
Nicomachean Ethics
The Nicomachean Ethics is the name normally given to Aristotle's best known work on ethics. The English version of the title derives from Greek Ἠθικὰ Νικομάχεια, transliterated Ethika Nikomacheia, which is sometimes also given in the genitive form as Ἠθικῶν Νικομαχείων, Ethikōn Nikomacheiōn...

.

See also