"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."
"Well then, now that that is settled. What would you like to discuss?"
What is truth?
What is justice?
What is courage?
What is beauty?