...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.

Temperance is a mean with regard to pleasures.

Both oligarch and tyrant mistrust the people, and therefore deprive them of their arms.

Personal beauty requires that one should be tall; little people may have charm and elegance, but beauty-no.

To Unlearn is as hard as to Learn

Since the branch of philosophy on which we are at present engaged differs from the others in not being a subject of merely intellectual interest — I mean we are not concerned to know what goodness essentially is, but how we are to become good men, for this alone gives the study its practical value — we must apply our minds to the solution of the problems of conduct.

The proof that you know something is that you are able to teach it