I love when you get angry, I mean at other people, not at me.

Beckett: I was hoping for something more romantic and less Hobbity.
Castle: Why does everyone always think those two are mutually exclusive?

These pieces all over their my story but the shells, that's ours.

I actually like those elephants. They obviously have family values and this one's good with money.

As if clowns weren't creepy enough.

Castle: You see, I'm honoring you by inviting you into my territory and Linus is part of that territory.
Beckett: And if you want to be invited into my territory again, you should probably rethink that.

Beckett: There's been a murder.
Castle: Yeah, of Linus' feelings.

You should have seen the way these people looked at me, like I'm some kind of savior.

Beckett: She's practically family. I care about her too.
Castle: You're pretty great, you know that?

You're my daughter. I'm interested in your life but you won't return my calls.

So I insulted her boyfriend. What's the prison sentence on that?

This is not my idea of going to the chapel with you.

Castle Quotes

Beckett: (Clears throat) Ahem. What's the deal with men and boobs, anyway?
Castle: Biological. We can't help it.
Beckett: But doesn't it bother you that they're so obviously not real?
Castle: (Pauses) Santa's not real. We still love opening his presents.

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

Castle