Related:

• It takes a smart person to know that the person is stupid.
• Man will survive into eternity. He's too stupid to know when he's beaten.
• The military is developing artificial intelligence because that way they can have the perfect fighting man - smart enough to understand what he's been told to do
  but stupid enough that he never questions why....
• Burns: The whole plant is environmentally sound. It's powered by old newspapers, machinery is made entirely of used cans, and the windows are from the old liquor bottles we collected.
  [he notices a shadow of Barney outside the liquor bottle windows] [opens the window] Hey!...
• It takes a big man to admit when he's wrong, and an even bigger one to keep his mouth shut when he's right.
  -- Jim Fiebig...
• A man gets what he wants by acting smart; a woman, by playing dumb.
• When a stupid man is doing something he is ashamed of, he always declares that it is his duty.
  -- George Bernard Shaw (1856-1950), "Caesar and Cleopatra", Act III...
• Bart: We know who you are, Ms. Botz. Or should I say, Ms.
  Botzcowski. You're the Babysitter Bandit. Ms....
• The most hopelessly stupid man is he who is not aware that he is wise.