An error doesn't become a mistake until you refuse to correct it.

Related:

• The enemy never watches,
  until you make a mistake....
• No one is listening until you make a
  mistake...
• YOU HAVE AN I/O ERROR -> Incompetent
  Operator...
• Vile's Law of Communication:
  No one is listening until you make a mistake...
• 
  ...
• There is no greater mistake to be made than to be consistently
  correct...
• You don't become a failure until you're satisfied with
  being one...
• I/O ERROR (def.) Ignorant
  Operator...