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

Deb: Where you off to?
Dexter: Kill a guy you're looking for. Save a kid. Remember to pick up diapers.

Ever hear of a comb? Looks like you have a cat on your head.

Deb

Dexter: He's never taken a child before.
Harry: That you know of. If this is new, it's on you.

I know that look. I'm not the only one on a stalk.

Deb: You can make anything sound perverted.
Vince: It's a gift.

Dexter Quotes

The only real question I have is why in a building full of cops, all supposedly with a keen insight to the human soul, is Doakes the only one who gets the creep from me.

Dexter Morgan

I think this is a friendly message like, "Hey! wanna play?" and yes I wanna play. I really really do.

Dexter Morgan