As the pleasures of the body are the ones which we most often meet with, and as all men are capable of these, these have usurped the family title; and some men think these are the only pleasures that exist, because they are the only ones which they know.

What is the highest of all goods achievable by action? ...both the general run of man and people of superior refinement say that it is happiness ...but with regard to what happiness is they differ.

The two qualities which chiefly inspire regard and affection are that a thing is your own and that it is your only one.

Happiness is a state of activity.

Art completes what nature cannot bring to finish. The artist gives us knowledge of nature's unrealized ends.

All friendly feelings toward others come from the friendly feelings a person has for himself.

The male has more teeth than the female in mankind, and sheep and goats, and swine. This has not been observed in other animals. Those persons which have the greatest number of teeth are the longest lived; those which have them widely separated, smaller, and more scattered, are generally more short lived.