Who said "Every challenge is a chance to prove who you really are."?

This quote is attributed to Courage the Cowardly Dog.

Every challenge is a chance to prove who you really are. - Courage the Cowardly Dog

"Every challenge is a chance to prove who you really are."

Courage the Cowardly Dog Success

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."