Trinity is the most successful serial killer to ever get away with it.

Dexter

Rita: Baby is down. Know what that means?
Dexter: Sleep.
Rita: Sex.

The perfect husband would have gotten rid of his old apartment. But I kill people. Not exactly the perfect husband.

Dexter

Deb: What is this, Extreme Makeover: Forensics Division?

My dark passenger is like a trapped coal miner, always tapping; always letting me know it's in there, still alive.

Dexter

Trailer park. Kids, neighbors, more kids. Sounds like my world.

Dexter

When things are going good, that's God's way of saying to cover your ass. 'Cause it's about to get bit. Hard.

Deb

Vince: The coroner can suck my uncircumcised dick if he doesn't rule this a homicide.
Vince: Way TMI, Masuka.

Vince: Anything I can do to keep that angry Irish off your ass, let me know.
Dexter: You're a good friend, Vince.

Rita: Car pools and swimming pools? How much are we living the dream?
Dexter: So much.

Rita: If you don't get sleep, it won't be your keys that get lost. It'll be your mind.
Dexter: I love that years ago.

There's this cliche when serial killers are always described as quiet, kind of a loner... it's a cliche for a reason.

Dexter

Dexter Season 4 Episode 1 Quotes

There's this cliche when serial killers are always described as quiet, kind of a loner... it's a cliche for a reason.

Dexter

Wanna know a secret? Daddy kills people.

Dexter