The duller eye may often see a thing sooner than the keener.

Wisdom begins in wonder.

If you will be guided by me, you will make little account of Socrates, and much more of truth.

A system of morality that is based on relative emotional values is a mere illusion, a thoroughly vulgar conception that has nothing sound in it and nothing true.

Well I am certainly wiser than this man. It is only too likely that neither of us has any knowledge to boast of; but he thinks that he knows something which he does not know, whereas I am quite conscious of my ignorance. At any rate it seems that I am wiser than he is to this small extent, that I do not think that I know what I do not know.

Be the kind of person that you want people to think you are.

Living or dead, to a good man there can come no evil.