The more I learn, the less I realize I know.

One thing I know, that I know nothing. This is the source of my wisdom.

Do not grieve over someone who changes all of the sudden. It might be that he has given up acting and returned to his true self.

Living well and beautifully and justly are all one thing.

To use words and phrases in an easygoing manner without scrutinizing them too curiously is not in general a mark of ill-breeding. On the contrary, there is something low-bred in being too precise. But sometimes there is no help for it

Wealth does not bring about excellence (aka areté), but excellence (aka areté) brings about wealth and all other public and private blessings for men.

Musical training is a more potent instrument than any other, because rhythm and harmony find their way into the inward places of the soul, on which they mightily fasten, imparting grace, and making the soul of him who is rightly educated graceful, or of him who is ill-educated ungraceful.