I am wiser than this man; it is likely that neither of us knows anything worthwhile; but he thinks he knows something when he does not; whereas when I do not know, neither do I think I know; so I am likely to be wiser than he is to this small extent, that I do not think I know what I do not know.

— Plato and Benjamin Jowett (Translator), Dialogues on the Trial & Death of Socrates