Related:

• Doctor: Mr. Simpson, after talking to your wife, we believe you're no threat to yourself or others.
  Homer: That's the most flattering thing anyone has ever said to me....
• In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions.
  -- H.W. Beeche...
• Lisa: [annoyed] Dad! Homer: Yes, sweetheart? Lisa
  Obesity is really unhealthy; any doctor will tell you that....
• You can bring men from other parts of the world who are sane.
  And you know what happens? At the very moment they cross those mountains....
• Doctor: Mrs. Simpson, I'm sorry, but your husband suffers from a persecution complex, extreme paranoia, and bladder hostility.
  Marge: Doctor, if you just talk to him for five minutes without mentioning our son Bart, you'd see how sane he is....
• Burns: Well, judging by his outlandish attire, he's some sort of free-thinking anarchist.
  Smithers: I'll call security, sir. Burns: Excellent....
• Bart: [on the phone] Yes, Dad, I solemnly swear I will not tell another living soul.
  ... No, not even Millhouse. [hangs up] [intense, but brief, mental struggle] [dials phone] Hello, Millhouse?...
• When dealing with the insane, the best method is to pretend to be sane. -- Hermann Hesse