Related:

• 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.
• 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
• Dr. H: You have twenty-four hours to live. Homer: Twenty-four hours!
  Dr. H: Well, twenty-two. I'm sorry I kept you waiting so long....
• 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....
• Swish, two, three, four! Swish, two, three, four!
• Four minus two is one and the same.