"I'm never gonna get it, but I want to understand it so I know how those people think so I can get rid of them more easily. There's no way we'll be able to do it until Mikey and I get out of this place, Leo heals up, and we take back New York somehow, but if we could just outsmart the Shredder somehow, for once..."

He needed to be gone.

"Sometimes I wish I could get enough of a handle on it all, to always know it'd be the right choice to take someone out. Like to clean up the world. Get rid of all the people like that. But it's gotta be all...complicated."