Caleb: Yeah? Then what's the use. We're just gonna keep breaking things... over and over. Why not save everyone the grief?
Finch: The thing about the world is that it doesn't have any extra pieces. It's like pi. It contains everything. ou remove a single piece... no circle. Your recklessness, your mistakes, are the reason why, when they say, "You can't change the world," you won't listen. The world is better off with both of us in it, Caleb, rather than the alternative.