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.
“I believe firmly that in making ethical decisions, man has the prerogative of true freedom of choice.”
“People who go to work every day and perform the services essential to keeping our economy functioning deserve to live above the poverty level.”