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.

It is impossible to live a pleasant life without living wisely and honorably and justly, and it is impossible to live wisely and honorably and justly without living pleasantly. Whenever any one of these is lacking, when, for instance, the man is not able to live wisely, though he lives honorably and justly, it is impossible for him to live a pleasant life.

Launch your boat, blessed youth, and flee at full speed from every form of culture.

Happiness is man's greatest aim in life. Tranquility and rationality are the cornerstones of happiness.

If the gods have the will to remove evil and cannot, then they are not all-powerful. If they are neither able nor willing, they are neither all-powerful or benevolent. If they are both able and willing to annihilate evil, why does it exist?

The greater the Difficulty the more Glory in surmounting it, and the loss of false Joys secures to us a much better Possession of real ones.

The acquisition of riches has been for many men, not an end, but a change, of troubles.