Who said "I've learned more from failures than from any success."?

This quote is attributed to Agent Coulson.

I've learned more from failures than from any success. - Agent Coulson

"I've learned more from failures than from any success."

Agent Coulson Education

"I'm sorry, the god of Thunder lost his hammer and apparently nobody saw that coming."

"There's no such thing as coincidence. Only the inevitable."

"I've always admired your confidence. Not always your judgment, but your confidence."

"Big man in a suit of armour. Take that off, what are you?"

"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."