You build on failure. You use it as a stepping stone. Close the door on the past. You don't try to forget the mistakes, but you don't dwell on it. You don't let it have any of your energy, or any of your time, or any of your space.
“The end of the trial and the 'not guilty' verdicts on all counts, clearing Michael of all charges, mean that he can now concentrate on the future and his art.”