The man with a host of friends who slaps on the back everybody he meets is regarded as the friend of nobody.

We, on the other hand, must take for granted that the things that exist by nature are, either all or some of them, in motion.

Art completes what nature cannot bring to finish. The artist gives us knowledge of nature's unrealized ends.

Man is by nature a social animal; an individual who is unsocial naturally and not accidentally is either beneath our notice or more than human. Society is something that precedes the individual. Anyone who either cannot lead the common life or is so self-sufficient as not to need to, and therefore does not partake of society, is either a beast or a god.

Every rascal is not a thief, but every thief is a rascal.

In order to be effective you need not only virtue but also mental strength.

All are agreed that the various moral qualities are in a sense bestowed by nature: we are just, and capable of temperance, and brave, and possessed of the other virtues from the moment of our birth. But nevertheless we expect to find that true goodness is something different, and that the virtues in the true sense come to belong to us in another way. For even children and wild animals possess the natural dispositions, yet without Intelligence these may manifestly be harmful.