Philosophy is the science which considers truth.

Moral qualities are so constituted as to be destroyed by excess and by deficiency . . .

Thou wilt find rest from vain fancies if thou doest every act in life as though it were thy last.

Men create the gods after their own images.

Metaphysics is universal and is exclusively concerned with primary substance. ... And here we will have the science to study that which is, both in its essence and in the properties which it has.

A city is composed of different kinds of men; similar people cannot bring a city into existence.

Neither old people nor sour people seem to make friends easily; for there is little that is pleasant in them.