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• The person who makes no mistakes does not usually make anything.
• The man who makes no mistakes does not usually make anything. Edward Phelp
• The man who makes no mistakes does not usually make anything.
  -- William Connor Magee, bishop of Peterborough...
• Computers don't make mistakes, but foolish people do.
• The only people who do not make mistakes are dead people.
  I saw a man last week who has not made a mistake in four thousand years....
• We learn by our mistakes, why do I make so many?
• A genius is one who can do anything except make a living. -- Joey Adam
• Two wrongs do not make a right: it usually takes three or more.