Related:

• Exceptions prove the rule, and wreck the budget. -- Mille
• Exceptions rule.
• There are no exceptions to the rule that everybody likes to be an exception to the rule.
  Charles Osgood, journali...
• The advance of science can be measured by the rate at which exceptions to previously held laws accumulate.
  Corollaries: 1. Exceptions always outnumber rules....
• All generalizations are dangerous, perhaps even this one.
  There are exceptions to the rule, but this does not appear to be one of them....
• I never make exceptions. An exception disproves the rule. -- Sir Arthur Conan Doyle
• Military Rule: Marshall Law
• Any general system law will have at least two peculiar exceptions.
  -- The Law of Unhappy Peculiarities -- Gerald Weinberg...
• Cheops' Law: Nothing ever gets built on schedule or within budget.