Who said "The world will always need someone to do the dirty work."?

The world will always need someone to do the dirty work. - M

"The world will always need someone to do the dirty work."

M War

"You're not a man, Bond. You're a blunt instrument."

"I think you're still a little jealous of me, aren't you?"

"Quite successful, Bond. Your education was not wasted."

"The world is not enough."

"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."