Who said "We were bred for war."?

This quote is attributed to Grey Worm.

We were bred for war. - Grey Worm

"We were bred for war."

Grey Worm War

"I am Grey Worm. I have no name."

"Unsullied do not fear death."

"We are the dragons' soldiers."

"A soldier's duty is to obey."

"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."