Related:

• Never decide to buy anything while listening to the salesman. -- Edmund C. Berkeley
• EXCEPTION, n. A thing which takes the liberty to differ from other things of its class, as an honest man, a truthful woman, etc.
  The exception proves the rule" is an expression constantly upon the lips of the ignorant, who parrot it from one another with never a thought of its absurdity....
• If there is an opportunity to make a mistake, sooner or later the mistake will be made.
  -- Edmund C. Berkeley...
• No experiment is ever a complete failure. It can always serve as a bad example, or the exception that proves the rule (but only if it is the first experiment in the series).
  -- Futility Facto...
• Most general statements are false, including this one.
  -- Alexander Dumas, or maybe Edmund C. Berkeley...
• Most problems have either many answers or no answer.
  Only a few problems have one answer. -- Edmund C. Berkeley...
• The moment you have worked out an answer, start checking it.
  It probably isn't right. -- Edmund C. Berkeley...
• The world is more complicated than most of our theories make it out to be. -- Edmund C. Berkeley
• On the surface, selling arms to a country that sponsors terrorism, of course, clearly, you'd have to argue it's wrong, but it's the exception sometimes that proves the rule.
  -- Vice President George Bush, August 1987...