Related:

• The Leap Year Corollary: Exceptions always outnumber rules.
• The advance of science can be measured by the rate at which exceptions to previously held laws accumulate.
  Corollaries: 1. Exceptions always outnumber rules....
• To be a successful father there's one absolute rule
  when you have a kid, don't look at it for the first two years. -- Ernest Hemingway...
• The young know the rules, the old know the exceptions.
• All rules have exceptions-except the ones that don't.
• You have no real enemies.
• Exceptions rule.