This is...self-knowled ge-for a man to know what he knows, and what he does not know.

In order that the mind should see light instead of darkness, so the entire soul must be turned away from this changing world, until its eye can learn to contemplate reality and that supreme splendor which we have called the good. Hence there may well be an art whose aim would be to effect this very thing.

The first key to greatness is to be in reality what we appear to be.

Wonder is the beginning of wisdom.

The more I know, the more I know that I don't know.

[N]either in war nor yet at law ought any man to use every way of escaping death. For often in battle there is no doubt that if a man will throw away his arms, and fall on his knees before his pursuers, he may escape death; and in other dangers there are other ways of escaping death, if a man is willing to say and do anything. The difficulty, my friends, is not in avoiding death, but in avoiding unrighteousness; for that runs faster than death.

Wars and revolutions and battles are due simply and solely to the body and its desires. All wars are undertaken for the acquisition of wealth; and the reason why we have to acquire wealth is the body, because we are slaves in its service.