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• The wise open their minds, but a fool opens his mouth.
• There is a little bird in the cage.
• Tis better to remain silent and be thought a fool, than open one's mouth and remove all doubt.
  -- Samuel Johnso...
• Smithers: Uck. My mouth tastes like an ashtray. [burps up a mouthful of cigarette butts] [opens bathroom doo
  ees someone in the shower] [opens glass shower door] Bu...
• An angry man opens his mouth and shuts up his eyes. -- Cato
• Republicans study the financial pages of the newspaper.
  Democrats put them in the bottom of the bird cage....
• A cannibal only opens his mouth to change your feet.
• When Al Gore opens his mouth, the barometric pressure drops.
• When Bill Clinton opens his mouth, the barometric pressure drops.