Help us to complete the source, original and additional information
Related quotes

“To grow you must be willing to let your present and future be totally unlike your past.”
Book Sometimes you win Sometimes you Learn

“You can’t let your failures define you. You have to let your failures teach you.”

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 101.

“Don't let your failures define you.”
“Teachers should prepare the student for the student's future, not for the teacher's past.”
Preface
The Art of Doing Science and Engineering: Learning to Learn (1991)

“You aren't your past, you are probability of your future.”

Variant: You build on failure. You use it as a stepping sone. 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.

“He who doesn't prize his past, ill-prepares his future.”
Original: (pt) Quem mal-preza o seu passado, mal-prepara o seu futuro.
Source: "A Alma e a Gente - Os Lusitanos", 24 Jan 2010