Who said "Freedom isn't free; it costs courage."?

This quote is attributed to Courage the Cowardly Dog.

Freedom isn't free; it costs courage. - Courage the Cowardly Dog

"Freedom isn't free; it costs courage."

Courage the Cowardly Dog Freedom

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"Freedom to pursue your passion is precious."

"Freedom comes at a cost."

"Order isn't restriction. It's freedom."

"Freedom comes with responsibility"