to hear what I have to say, he may answer me. And whether any of them becomes an upright man or not, I would not justly be held responsible, since I have never promised our taught any instruction to any of them. If someone says that he has ever learned from me or heard privately anything that anyone else did not, know well that he does not speak the truth… I told you the whole truth. It is because they enjoy hearing men examined who suppose they are wise, but are not. For it is unpleasant (Plato 86) ...