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

"I only wish that ordinary people had an unlimited capacity for doing harm; then they might have an unlimited power for doing good."

"One should eat to live; not live to eat."

"I honor and love you: but why do you who are citizens of the great and mighty nation care so much about laying up the greatest amount of money and honor And reputation, and so little amount wisdom and truth and the greatest improvement of the soul? Re you not ashamed of these?... I do nothing but go about persuading you all, not to take thought for your persons and your properties, but first and chiefly to care about the greatest improvement of the soul. I tell you that virtue is not given by more, but that from virtue comes money and every other good of man."

"Once made equal to man, woman becomes his superior."

"The true champion of justice, if he intends to survive even for a short time, must necessarily confine himself to private life and leave politics alone."

"If you want to be a good saddler, saddle the worst horse; for if you can tame one, you can tame all."

"The mind is everything; what you think you become."

"An unconsidered life is not one worth living."

"Beware the barrenness of a busy life."

"He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god."

"My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves"

"My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves"

"No man has the right to be an amateur in the matter of physical training. It is a shame for a man to grow old without seeing the beauty and strength of which his body is capable."

"My advice to you is getting married: if you find a good wife you'll be happy; if not, you'll become a philosopher."

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

"Be slow to fall into friendship, but when you are in, continue firm and constant."

"The only good is knowledge and the only evil is ignorance."

"My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves"

"From the deepest desires often comes the deadliest hate."