Happiness is a quality of the soul...not a function of one's material circumstances.

All men seek one goal: success or happiness.

So we must lay it down that the association which is a state exists not for the purpose of living together but for the sake of noble actions. Those who contribute most to this kind of association are for that very reason entitled to a larger share in the state than those who, though they may be equal or even superior in free birth and in family, are inferior in the virtue that belongs to a citizen. Similarly they are entitled to a larger share than those who are superior in riches but inferior in virtue.

Man, as an originator of action, is a union of desire and intellect.

A human being is a naturally political [animal].

...in this way the structure of the universe- I mean, of the heavens and the earth and the whole world- was arranged by one harmony through the blending of the most opposite principles.

We deliberate not about ends, but about means.