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.
“If you approach an opera as though it were something that always went a certain way, that's what you get. I approach an opera as though I didn't know it.”
“When a child grows up without a father, there is an empty place where someone must stand, providing an example of character and confidence.”