Related:

• Most general statements are false, including this one. -- Alexander Duma
• All general statements are false, except this one.
• Most problems have either many answers or no answer.
  Only a few problems have one answer. -- Edmund C. Berkeley...
• The world is more complicated than most of our theories make it out to be. -- Edmund C. Berkeley
• All general statements are false. -- The Ultimate Law (R. H. Grenier)
• If there is an opportunity to make a mistake, sooner or later the mistake will be made.
  -- Edmund C. Berkeley...
• An exception TESTS a rule; it NEVER proves it. -- Edmund C. Berkeley
• Never decide to buy anything while listening to the salesman. -- Edmund C. Berkeley
• All generalizations are false, including this one. -- Mark Twai