Arthur: You think you're better than I am?
Dexter: No. But I want to be.

Deb: I love you.
Dexter: I'm so thankful.

Long after you're executed, they'll still have to go through life with your name branded across their foreheads.

Harry

We create our own destiny every day we live.

You can conquer whatever darkness is in you.

Rita [to Dexter]

How is it I can kill people and feel no regret, but disappointing Rita makes me feel like the scum of the earth?

Dexter: My dark passenger is ruining my life.
Harry: It is your life.

I want you to disappear from my life like a ghost, a really annoying ghost.

Trinity

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

Dexter Season 4 Quotes

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

Rita: A bread maker?
Dexter: We're always running out of bread.
Rita: We're always running out of milk, too. Did you get me a cow, too?