Beckett: I can't help but wonder how many other girls have gotten this tour.
Castle: I'm not going to deny that I have brought other women up here. But, none of them were you.

Beckett: So, you rich or something?
Castle: I'm not James Patterson rich, but I do ok.

You're in a room full of detectives and not one of them has a clue.

Castle: I so wish I could kiss you right now.
Beckett: Yeah, I know.
Castle: This is me, softly touching your face, pulling you in for a long slow kiss.
Beckett: This is me, kissing you back, running my fingers through your hair.

The butler did it!

Beckett: Do you think I should talk to her?
Castle: No, she will eat you alive.

Castle: You owe me big time.
Beckett: I don't know if the department can reimburse you for all of this.
Castle: That's not the kind of owing I'm talking about.

I'm a best selling author. Why wouldn't I have two grand in my pocket?

I'm getting soft.

My little girl is going to college.

Castle: You and I were just friends for four years.
Beckett: You were trying to sleep with me the whole time.

Beckett: Castle, what do you think of this one?
Castle: Sexy.

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