Dr. Spencer Reid: [Looking through glass at Professor Rothchild] I never have any normal fans.
David Rossi: "Man must evolve for all human conflict a method which rejects revenge, aggression and retaliation. The foundation of such a method is love." - Martin Luther King, Jr.
David Rossi: [opening quote, voiceover] "Let us consider that we are all insane. It will explain us to each other. It will unriddle many riddles." - Mark Twain.
Penelope Garcia: There must be some sort of mathematic equation to do this. Should have paid more attention in algebra. Hmm, note to self: get dr. Reid in here a.s.a.p!