Who said "War with yourself is the only battle that matters."?

This quote is attributed to Swiper.

War with yourself is the only battle that matters. - Swiper

"War with yourself is the only battle that matters."

Swiper War

"Swiper, no swiping!"

"Oh, man!"

"You'll never stop me, Dora!"

"I'm gonna swipe it!"

"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."