Who said "Power comes not from muscle, but from heart."?

This quote is attributed to Courage the Cowardly Dog.

Power comes not from muscle, but from heart. - Courage the Cowardly Dog

"Power comes not from muscle, but from heart."

Courage the Cowardly Dog Power

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."