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• It's not what we don't know that gets us into trouble, it's what we know that ain't so.
  -- Will Roge...
• Forgive us, for we know not what we do. Not that we CARE or anything.
• It ain't so much the things we don't know that get us in trouble.
  It's the things we know that ain't so. -- Artemus Ward aka Charles Farrar Brow...
• What we know is not as important as who we are.
• Nothing is so firmly believed as what we least know. MONTAIGNE
• Do we know much about women? Do we? We don't. We know when they're happy, we know when they're crying, we know when they're pissed off.
  We just don't know what order those are gonna come at us. -- Evan Davi...
• What do we know about the beyond? Do we know what's behind the beyond?
  I'm afraid some of us hardly know what's beyond the behind. -- Brother Theodore...
• We know what we are, but know not what we may be. -- William Shakespeare, Hamle
• What awful irony is this? We are as gods, but know it not.