Taste is the fundamental quality which sums up all the other qualities. It is the nec plus ultra of the intelligence. Through this alone is genius the supreme health and balance of all the faculties.
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.

