Related:

• When speculation has done its worst, two plus two still equals four. -- Samuel Johnson (1709-1784)
• When speculation has done its worst, two plus two still equals four. -- S. Johnso
• Barney: [the dinosaur, that is] [singing] Two plus two is four.
  Two plus two is four. Two plus two is four....
• Psychotics think two and two make five. Neurotics know that two and two make four-but they can't stand it.
• Swish, two, three, four! Swish, two, three, four!
• Four minus two is one and the same.
• In the arithmetic of love, one plus one equals everything, and two minus one equals nothing.
  -- Mignon McLaughli...
• Tie two birds together and though they have four wings, they cannot fly.
• One man's brain plus one other will produce one half as many ideas as one man would have produced alone.
  These two plus two more will produce half again as many ideas....