I need to be a good brother now, so I can be a good serial killer later.

Dexter: Who am I right now: Dexter Morgan serial killer or Dexter Morgan brother?

Love thy neighbor? Bullshit. I should leave it alone, go inside, watch the History Channel.

We can play who's the better asshole. But I guarantee you I'll win.

Deb

Christine: I don't know who my father is.
Angel: He is the Trinity Killer, and he's been sending you postcards from Hell!

If I can make the police think the Trinity Killer is someone else, Arthur is all mine.

What kind of man witnesses a child abduction and doesn't call the police? Who are you, Kyle?

Arthur

Dexter Season 4 Episode 11 Quotes

If I can make the police think the Trinity Killer is someone else, Arthur is all mine.

Dexter

What kind of man witnesses a child abduction and doesn't call the police? Who are you, Kyle?

Arthur