Who said "Justice requires you to stand up, even when shaking."?

This quote is attributed to Courage the Cowardly Dog.

Justice requires you to stand up, even when shaking. - Courage the Cowardly Dog

"Justice requires you to stand up, even when shaking."

Courage the Cowardly Dog Justice

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."