Beckett: You’re such a good son.
Castle: And you’re such a good everything.

As long as I'm with you, I'll go anywhere.

I'm Boring Man, except for the contract out on my life.

Alan

The victim's not going to get any deader.

Beckett: That my man would stop talking about being some skeezy blonde's master and start talking about taking his wife to bed.
Castle: Oh well, I don't need a genie to grant that wish.

Beckett: Time machine?
Castle: Only to go back and fall in love with you all over again.

Castle: I have no need for genies because I already have everything I could ever wish for.
Beckett: Right back at you, handsome.

So after eight years some of my common sense has finally rubbed off on you.

Beckett

Can you make sure he gets dibs on the first rub, please?

Beckett

Got a crime scene right here. My mother just killed the mood.

Ryan: I just called in sick. Let's go get really drunk.
Esposito: Damn straight.

I know that you had a tough go when you were little but sooner or later you've got to stop blaming your childhood. At some point, when you choose wrong over right that's on you.

Esposito

Castle Quotes

Castle: How do you know when you're in love?
Beckett: All the songs make sense.

Sometimes the hardest things in life are the things most worth doing.

Castle