The greatest of all mysteries is the man himself.

Nothing is so well learned as that which is discovered.

It is never right to do wrong or to requite wrong with wrong, or when we suffer evil to defend ourselves by doing evil in return.

It is better to make a mistake with full force of your being than to carefully avoid mistakes with a trembling spirit.

Are you not ashamed of your eagerness to possess as much wealth, reputation, and honors as possible, while you do not care for nor give thought to wisdom or truth, or the best possible state of your soul?

I prefer to be refuted than to refute, for it is a greater good for oneself to be freed from the greatest evil than to free another.

I have lived long enough to learn how much there is I can really do without.... He is nearest to God who needs the fewest things.