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• Too bad, Bob , but you know too much.
• It's wise to know enough to not know too much.
• You can't know too much, but you can say too much. -- Calvin Coolidge
• There are two sentences inscribed upon the Delphic oracle, hugely accommodated to the usages of man's life
  Know thyself", and "Nothing too much"; and upon these all other precepts depend....
• The person who thinks too little usually talks too much.
• Those who are afraid of doing too much always do too little.
• You know you're getting old when it takes too much effort to procrastinate.
• If you can't see the bottom, wade not, for you may be in far too much before you know it.
• Spock: "I'm afraid I don't know too much about Romulan disruptor settings.
  -- "Unification II", Stardate 45245.8...