Bracken: Everything you are. Everything you've accomplished is because of me.
Beckett: Is that how you justify murder? It builds character?

I'm not going to stand by while my mother's murderer becomes President of the United States.

Beckett: I love you.
Castle: Yeah, well you better. It's two weeks to the wedding and it's too late to return the tux.

Beckett: Castle, aren't there more important things than winning?
Castle: Oh, that's a notion created to comfort those who lose.

Beckett: I think catching killers is pretty extreme and then there's marrying you.
Castle: Ah yes, I admit I am extreme. Extremely handsome.
Beckett: With a high degree of difficulty.

A reigning champion unable to cope with defeat. That sounds familiar.

Because the second Harold sets foot in this place it's going to burst his little '70s bubble.

Beckett: I look ridiculous.
Castle: Ridiculously hot.

Beckett: If Hector's as dangerous as advertised this could get a little hairy.
Castle: Hairy's my middle name. That sounded a lot better in my head.

Beckett: Castle I love you but I will not marry you on a ride or up in space or on slide.
Castle: I bet Dr. Seuss got married somewhere fun.

The last thing I need is to watch someone from my past try to seduce my fiance while talking about the goddess that lives in her hooha

Castle: The killer can't be a ballet dancer because it'd just be such a huge let down.
Beckett: Of course, we can't let facts get in the way of a good story.

Castle Quotes

I don't get it. He's into you and your determined not to give into these feelings that you clearly have for him. So he fantasizes about you through his writing. It is literally verbal masturbation.

Natalie

I can't tell you how many times I've had dreams of being on this very ship.

Beckett