False words are not only evil in themselves, but they infect the soul with evil.

Envy is the ulcer of the soul

Crito, I owe a cock to Asclepius; will you remember to pay the debt?

Are you not ashamed of caring so much for the making of money and for fame and prestige, when you neither think nor care about wisdom and truth and the improvement of your soul?

The poets are only the interpreters of the gods.

The soul, like the body, accepts by practice whatever habit one wishes it to contact.