Mistakes in your 20's are not irreparable; they're part of your education and probably the most valuable part.
speech graduation failure
David Broder
Kalamazoo College Commencement 1988, 1988
Because you are human beings you are going to meet failure. You are going to meet disappointment, injustice, betrayal, and irreparable loss. You will find you're weak where you thought yourself strong.
speech graduation failure
Ursula K. Le Guin
Mills College Commencement 1983, 1983