- Emily Prentiss: [entering the BAU office] Is Hotch still here?
- Penelope Garcia: Oh, I'm pretty sure he lives here.
- Derek Morgan: Rossi, don't tell me you believe in evil.
- David Rossi: Don't tell me you do this job and you don't.
- Derek Morgan: I believe there are evil acts, but those are choices - brain chemistry. What do you think, Hotch?
- Aaron 'Hotch' Hotchner: I think, deep down, we're all capable of unspeakable things. Where it starts or what you call it, I don't know.
- Emily Prentiss: [opening quotation, voiceover] Leonardo da Vinci said "He who does not punish evil commands it to be done."
- David Rossi: You know, James Joyce also said, "There is no heresy or philosophy so abhorrent to the Church as a human being."
- Emily Prentiss: [to Tom and Andrea Benton] Because the priest said so! Can't you think for yourself?
- Emily Prentiss: That woman couldn't even use Patrick's name! She could only say my fiancé, because she's convinced something else died in that room that night.
- Dr. Spencer Reid: This is kind of starting to freak me out a little bit.
- Derek Morgan: Let's figure out if we have a crime before we start freaking out.
- Emily Prentiss: Hey, FBI.
- Officer Lundy: Seriously?
- Emily Prentiss: Yeah, what can you tell us?
- Officer Lundy: Eh, white male, been dead for hours, the medics say it was a brain aneurism.
- Derek Morgan: Mind if we take a look at the scene?
- Officer Lundy: Knock yourselves out.