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

This quote is attributed to Barney Stinson.

Education is the most powerful weapon. - Barney Stinson

"Education is the most powerful weapon."

Barney Stinson Education

"Legendary!"

"When I get sad, I stop being sad and be awesome instead."

"Have you met Ted?"

"Suit up!"

"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."