Consider pleasures as they depart, not as they come.

Plants, again, inasmuch as they are without locomotion, present no great variety in their heterogeneous pacts. For, when the functions are but few, few also are the organs required to effect them. ... Animals, however, that not only live but perceive, present a great multiformity of pacts, and this diversity is greater in some animals than in others, being most varied in those to whose share has fallen not mere life but life of high degree. Now such an animal is man.

Money was established for exchange, but interest causes it to be reproduced by itself. Therefore this way of earning money is greatly in conflict with the natural law.

Therefore, even the lover of myth is a philosopher; for myth is composed of wonder.

For what is the best choice for each individual is the highest it is possible for him to achieve.

There is a foolish corner in the brain of the wisest man.

Happiness is a sort of action.