Related:

• 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....
• Homer: This isn't fair! How can you tell who's sane and who's insane?
  Doctor: Well, we have a very simple method. [stamps his hand, `INSANE'] Whoever has that stamp on his hand is insane....
• But I find the old notions somehow appealing. Not that I want to go back to them -- it is outrageous to have some outer authority tell you what is proper use and abuse of your own facultie
  and it is ludicrous to hold reason higher than body or feeling....
• Homer: What are you doing, Marge? Didn't you hear the song?
  Marge: No, I had to go rent the bulldozer. Ned...
• It was very horrible to go mad and know that you were going mad -- to know that in a little minute you would be here physically and yet all the real essence would be dead and drowned in the black madness.
• Riker: "You're going to mention something else?" Troi
  I don't know if it means anything, but I seem to have an ability that the others don't....
• Q: What do you get when you cross a Pentium PC with a research grant? A: A mad scientist.
• What happens when you cross a chicken with a banjo? You get a chicken that plucks itself.
• Jacques: First, you must get to know your lane. Feel the slickness, feel the slippery finish.
  Caresses it, experience it. Quite smooth, isn't it?...