Related:

• If at first you don't succeed, try, try, try again.
  Then quit. There's no point in being a damn fool about it. -- W.C. Field...
• If at first you don't succeed, try, try again. Then quit.
  No use being a damn fool about it. -- W.C. Fields [Also attributed to Roy Mengot. Ed.]...
• If at first you don't succeed, try again - if you still fail, give up - no sense being a damn fool about it.
  -- W.C. Field...
• If at first you don't succeed, give up, no use being a damn fool.
• If at first you don't succeed, try, try again, then quit and get tanked. -- Steve Dalla
• If at first you don't succeed, try, try agai
• If at first you don't succeed, try, try again. -- W.E. Hickso
• If at first you don't succeed, add NT and try again.