Justice has no independent existence; it results from mutual contracts, and establishes itself wherever there is a mutual engagement to guard against doing or sustaining mutual injury.

Do not spoil what you have by desiring what you have not.

It is folly for a man to pray to the gods for that which he has the power to obtain by himself.

If you wish to make Pythocles rich, do not add to his store of money, but subtract from his desires.

He who has peace of mind disturbs neither himself nor another.

He who says either that the time for philosophy has not yet come or that it has passed is like someone who says that the time for happiness has not yet come or that it has passed.

The man least dependent upon the morrow goes to meet the morrow most cheerfully.