If at first you don't succeed, you're a failure and a disgrace to
humanity

If at first you don't succeed, find somebody more qualified.

If at first you don't succeed, read the manual.

If at first you don't succeed, hide the evidence that you even tried.

If at first you don't succeed, call tech support.

If at first you don't succeed, blame society.

If at first you don't succeed, call it a day and have a beer.

If at first you don't succeed, it didn't need to be done anway.

If at first you don't succeed, quit.

If at first you don't succeed, quit and watch TV.

If at first you don't succeed, get your child to do it.

If at first you don't succeed, get your neighbor's child to do it.

If at first you don't succeed, to heck with it.  It's too much 
trouble anyway.