“I believe humanity was born from conflict. Maybe that's why in all of us lives a dark…”

“After I finish you, I'm gonna find that little bastard son of yours. And I'm gonna show…”

“[about a serial killer] He sure likes his blondes. Not a good date, though—too stabby.”

“Aaron Hotchner: Don't you have something better to do? Derek Morgan: Than to annoy you for…”