Everything existing in the universe is the fruit of chance and necessity.

I would rather discover one true cause than gain the kingdom of Persia.

By desiring little, a poor man makes himself rich.

Now as of old the gods give men all good things, excepting only those that are baneful and injurious and useless. These, now as of old, are not gifts of the gods: men stumble into them themselves because of their own blindness and folly.

Good means not merely not to do wrong, but rather not to desire to do wrong.

The wrongdoer is more unfortunate than the man wronged.