The attainment of truth is then the function of both the intellectual parts of the soul. Therefore their respective virtues are those dispositions which will best qualify them to attain truth.

The unfortunate need people who will be kind to them; the prosperous need people to be kind to.

A sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold.

Men come together in cities in order to live: they remain together in order to live the good life

Happiness is a state of activity.

All communication must lead to change

...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.