It must not be supposed that happiness will demand many or great possessions; for self-sufficiency does not depend on excessive abundance, nor does moral conduct, and it is possible to perform noble deeds even without being ruler of land and sea: one can do virtuous acts with quite moderate resources. This may be clearly observed in experience: private citizens do not seem to be less but more given to doing virtuous actions than princes and potentates. It is sufficient then if moderate resources are forthcoming; for a life of virtuous activity will be essentially a happy life.

Those that know, do. Those that understand, teach.

Since we think we understand when we know the explanation, and there are four types of explanation (one, what it is to be a thing; one, that if certain things hold it is necessary that this does; another, what initiated the change; and fourth, the aim), all these are proved through the middle term.

The true friend of the people should see that they be not too poor, for extreme poverty lowers the character of the democracy.

We deliberate not about ends, but about means.

It is of the nature of desire not to be satisfied, and most men live only for the gratification of it.

The worst thing about slavery is that the slaves eventually get to like it.