There are some men who turn a deaf ear to reason and good advice, and willfully go wrong for fear of being controlled. – Jean de La Bruyère, Characters, 1688
The only man I know who behaves sensibly is my tailor; he takes my measurements anew each time he sees me. The rest go on with their old measurements and expect me to fit them. – George Bernard Shaw
If a person tells me he has been to the worst places I have no reason to judge him; but if he tells me it was his superior wisdom that enabled him to go there, then I know he is a fraud. – Ludwig Wittgenstein