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.

It's her first hangover. This is a milestone.

So, it wasn't a dream.

Castle: If we got murdered right now, I'd feel so ripped off.
Beckett: Yeah, me too!
Castle: At least we have last night. We should have done that four years ago.

Castle: Beckett, what do you want?
Beckett: You.

Every morning I bring you a cup of coffee, just so I can see a smile on your face. Because I think you are the most remarkable, maddening, challenging, frustrating, person I've ever met. And I love you Kate, and if that means anything to you, if you care about me at all, just don't do this.

Four years, I've been right here. For years. Waiting for you to open your eyes and see that I'm right here!

Castle Quotes

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

Castle

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