Who said "Education is the most powerful weapon we have."?

This quote is attributed to Phil Coulson.

Education is the most powerful weapon we have. - Phil Coulson

"Education is the most powerful weapon we have."

Phil Coulson Education

"I'm not a superhero, I'm just a guy with a badge and a really good suit."

"Sometimes the best way to solve a problem is to understand it first."

"We all have our limits. The trick is knowing what they are."

"Trust is earned, not given. Remember that."

"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."