Who said "War between selves is the hardest battle."?

This quote is attributed to Bruce.

War between selves is the hardest battle. - Bruce

"War between selves is the hardest battle."

Bruce War

"Mate, I'm a vegetarian."

"Fish are friends, not food."

"I say we just all take a deep breath and relax."

"You're a fish. Fish are meat."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."