The soul of animals is characterized by two faculties, (a) the faculty of discrimination which is the work of thought and sense, and (b) the faculty of originating local movement.

The right constitutions, three in number- kingship, aristocracy, and polity- and the deviations from these, likewise three in number - tyranny from kingship, oligarchy from aristocracy, democracy from polity.

Happiness does not consist in amusement. In fact, it would be strange if our end were amusement, and if we were to labor and suffer hardships all our life long merely to amuse ourselves.... The happy life is regarded as a life in conformity with virtue. It is a life which involves effort and is not spent in amusement.

Our characters are the result of our conduct.

The aim of art is to represent not the outward appearance of things, but their inward significance.

The honors and rewards fall to those who show their good qualities in action.

A friend is a second self, so that our consciousness of a friend's existence...makes us more fully conscious of our own existence.