"... he was wise, but was not. As a result, I became hateful to him and to many of those present; and so, as I went away, I thought to myself, ‘I am wiser than this man; for neither of us really knows anything fine and good, but this man thinks he knows something when he does not, whereas I, as I do not know anything, do not think I do either. I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either.’ From him I went to another of those who were reputed" — Plato, Apology