Related:

• Finagle's Third Law In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake.
  Corollary 1: No one whom you ask for help will see it....
• In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake -- Finagle's Third Law (1) Nobody whom you ask for help will see it.
  (2) The first person who stops by, whose advice you really don't want to hear, will see it immediately....
• Finagle's Third Law: In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake Corollarie
  (1) Nobody whom you ask for help will see it....
• Finagle's third Law: In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake.
  Corollaries: (1) Nobody whom you ask for help will see it....
• Everyone stopping by with unsought-for advice will see your mistake.
  -- Finagle's Third Law, Corollary 2...
• Chisolm's Third Law, Corollary 1: If you explain so clearly that no one can misunderstand, somebody will.
• If you explain so clearly that nobody can misunderstand, somebody will.
  -- Chisholm, Third Law, Corollary 1...