Related:

• The man who does things makes many mistakes, but he never makes the biggest mistake of all -- doing nothing.
  -- Benjamin Frankli...
• Vila: "I think I have just made the biggest mistake of my life.
  Orac: "It is unlikely. I would predict there are far greater mistakes waiting to be made by someone with your obvious talent for it....
• IBM: Industry's Biggest Mistake
• IBM: Infernal Biggest Mistake
• You learn from your mistakes.
• Learn from other people's mistakes, you don't have time to make your own.