Who said "Justice requires standing firm, even alone."?

This quote is attributed to Courage the Cowardly Dog.

Justice requires standing firm, even alone. - Courage the Cowardly Dog

"Justice requires standing firm, even alone."

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."