Progress is a possibility for the animal: it can be broken in, tamed and trained; but it is not a possibility for the fool, because the fool thinks he has nothing to learn. It is his place to dictate to others and put them right, and so it is impossible to reason with him. He will laugh you to scorn in saying that what he does not understand is not a meaningful proposition. 'Why don't I understand it, then?', he asks you, with marvellous impudence. To tell him it is because he is a fool would only be taken as an insult, so there is nothing you can say in reply. Everybody else sees it quite clearly, but he will never realize it.Here then, at the outset, is a potent secret which is inaccessible to the majority of people; a secret which they will never guess and which it would be useless to tell them: the secret of their own stupidity.