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• When speculation has done its worst, two plus two still equals four. -- S. Johnso
• Those who think that two plus two equals four have not recently been to a real lumberyard and tried to purchase a two by four.
• Dictionaries are like watches, the worst is better than none, and the best cannot be expected to go quite true.
  Samuel Johnson ['Boswell's Life of', 1784]...
• In the arithmetic of love, one plus one equals everything, and two minus one equals nothing.
  -- Mignon McLaughli...
• Barney: [the dinosaur, that is] [singing] Two plus two is four.
  Two plus two is four. Two plus two is four....
• Let me know when two finally equals three.
• It is a most mortifying reflection for a man to consider what he has done, compared to what he might have done.
  -- Samuel Johnson, Boswell's Life, 1770...
• The past is whatever the records and the memories agree upon.
  And since the party is in full control of all records, and in equally full control of the minds of its members, it follows that the past is whatever the party chooses to make it....
• Q: What is it that a cow has four of and a woman has two of? A: Feet.