Who said "Life is a series of challenges meant to make us stronger."?

This quote is attributed to Courage the Cowardly Dog.

Life is a series of challenges meant to make us stronger. - Courage the Cowardly Dog

"Life is a series of challenges meant to make us stronger."

Courage the Cowardly Dog Life

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."