Related:

• The moment you have worked out an answer, start checking it.
  It probably isn't right. -- Edmund C. Berkeley...
• Never create a problem for which you don't have the answer.
  -- Burke's Rule Create problems for which only you have the answer. -- Corollary...
• Complex problems have simple, easy to understand wrong answers. Grossman's Law
• Most general statements are false, including this one.
  -- Alexander Dumas, or maybe Edmund C. Berkeley...
• The worst problems have solutions that create problems.
• Grossman's Misquote of H.L. Mencken: Complex problems have simple, easy-to-understand wrong answers.
• Complex problems have simple, easy-to-understand wrong answers.
  -- Grossman's Misquote of H.L.Mencke...
• The hard questions always have more than one right answer.
  The easy questions have no answers at all. That's the universe's way of keeping things balanced....
• If you didn't have most of your friends, you wouldn't have most of your problems.