Socrates

"All men's souls are immortal, but the souls of the righteous are immortal and divine."

"As to marriage or celibacy, let a man take which course he will, he will be sure to repent."

"Beware the barrenness of a busy life."

"Death may be the greatest of all human blessings."

"Employ your time in improving yourself by other men's writings, so that you shall gain easily what others have labored hard for."

"He is a man of courage who does not run away, but remains at his post and fights against the enemy."

"He is richest who is content with the least, for content is the wealth of nature."

"I decided that it was not wisdom that enabled poets to write their poetry, but a kind of instinct or inspiration, such as you find in seers and prophets who deliver all their sublime messages without knowing in the least what they mean."

"No evil can happen to a good man, either in life or after death. He and his are not neglected by the gods."

"Ordinary people seem not to realize that those who really apply themselves in the right way to philosophy are directly and of their own accord preparing themselves for dying and death."

"Our prayers should be for blessings in general, for God knows best what is good for us."

"The unexamined life is not worth living."

"True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us."

"Wisdom begins in wonder."