Wisdom is a deep understanding and realization of people, things, events or situations, resulting in the ability to apply perceptions, judgements and actions in keeping with this understanding. It often requires control of one's emotional reactions (the "passions
Passions (philosophy)
Passion, or the passions, is a philosophical concept. It is different from popular connotations of passion, which are associated with notions of romance, and which is generally seen as a positive emotion. The philosophical notion, in contrast, is identified with an innate or biologically driven...

") so that universal principles, reason and knowledge prevail to determine one's actions. Wisdom is also the comprehension of what is true or right coupled with optimum judgment as to action.

The fear of the LORD is the beginning of wisdom, and knowledge of the Holy One is understanding. ~ The Bible: Proverbs 9:10

Through wisdom is an house builded; and by understanding it is established: And by knowledge shall the chambers be filled with all precious and pleasant riches.

The Authorized King James Version|Bible (KJV), Proverbs 24:4

Nevertheless, wisdom is vindicated by all her children.

Bible: New Testament, Luke 7:35.

Wisdom begins in wonder. ~ Socrates

Variant: Wonder is the beginning of wisdom.

Wisdom is the supreme part of happiness. ~ Sophocles

Much wisdom often goes with brevity of speech. ~ Sophocles (497–406/5 BC), Greek tragedian. Fragments, l. 89 (Aletes)

By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest. ~ Confucius

Better be wise by the misfortunes of others than by your own. ~ Aesop

It is a profitable thing, if one is wise, to seem foolish. ~ Aeschylus

Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves. ~ Jesus Christ (Matthew 10:16)