Who said "Every mistake is a lesson waiting to be learned."?

This quote is attributed to The Flash.

Every mistake is a lesson waiting to be learned. - The Flash

"Every mistake is a lesson waiting to be learned."

The Flash Education

"My name is Barry Allen, and I am the fastest man alive."

"You can't save everyone. Sometimes you have to let people go."

"I'm fighting so that no one else has to suffer like I did."

"Life doesn't give you second chances. So I'm making my own."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."