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

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.

We should look for someone to eat and drink with before looking for something to eat and drink.

All sensations are true; pleasure is our natural goal.

We cannot live pleasantly without living wisely and nobly and righteously.

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.

My garden does not whet the appetite; it satisfies it. It does not provoke thirst through heedless indulgence, but slakes it by proffering its natural remedy. Amid such pleasures as these have I grown old.