Related:

• Two may keep counsel, if two be away. -- Heywood (1497-1580)
• Three may keepe counsayle, if two be away. -- John Heywood (c.
  1565) -- Proverbes, Part ii, Chap. v...
• For iii may keep a counsel if twain be away.
  -- Geoffrey Chaucer (1328-1400) -- The Ten Commandments of Love...
• An apple a day keeps the doctor away. Two apples a day will keep two doctors away. Falk Fish
• Three may keep a secret, if two of them are dead. -- Benjamin Franklin (1706-1790)
• Three may keep a secret, if two of them are dead. -- Benjamin Frankli
• Two heads are better than one. -- John Heywood
• The Supreme court says three may keep a secret, if two of them used to work for the CIA.
  -- Poor Jimmy's Almanac...
• Our life is frittered away by detail. An honest man has hardly need to count more than his ten fingers, or in extreme cases he may add his ten toes, and lump the rest.
  Simplicity, simplicity, simplicity. I say, let your affairs be as two or three, and not a hundred or a thousand...