Related:

• Jaffe's Precept: There are some things that are impossible to know -- but it is impossible to know what these things are.
• It is impossible to make anything foolproof, because fools are so ingenious.
  -- Murphy's Law Corollary 8...
• Murphy's (Fourth) Corollary: It is impossible to make anything foolproof because fools are so ingenious.
• It is impossible to make anything foolproof because fools are so ingenious.
  Murphy's Second Corollary...
• What do they call the alphabet in Arkansas? The impossible dream.
• impossible. Clarke's Second Law
• Murphy's Eleventh Law It is impossible to make anything foolproof because fools are so ingenious.
• Only after a task has proven completely impossible is it time to read the reference book.
  -- Murphy's Fourth Law of Programming...
• Weiler's Law: Nothing is impossible for the man who doesn't have to do it himself.