Who said "Every mistake is an opportunity to learn."?

This quote is attributed to John Watson.

Every mistake is an opportunity to learn. - John Watson

"Every mistake is an opportunity to learn."

John Watson Education

"I'm a doctor, not a magician."

"You know what? I don't actually care what you think."

"Afghanistan or Iraq?"

"How did you know about the bullet wound?"

"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."