Beckett: I didn't do this to hurt you, I did it to protect you.
Castle: Then why am I so angry?

Castle: Do you have any idea how worried I was?
Beckett: Yeah, I do. I was gone for 36 hours. A year ago you were gone for eight weeks.

Beckett: I mean, what did you want me to do?
Castle: Tell me the truth.

Castle, just shut up and kiss me.

Beckett

Look on the bright side, chicks dig scars.

Beckett

You may as well kill yourself right now Kate. You've stumbled onto something which is so over your head, I'm amazed you're still alive.

Bracken

Worst thing I thought I was going to be facing was working without Castle, and then you called.

Beckett

Trust me, a bullet's going to kill you long before hunger does.

Beckett

Assassin: Most people react differently to a gun in their side.
Castle: Yeah, well this kind of thing happens to me often.

Assassin: Your earlier stuff was better. You got soft once you met the skirt.
Castle: Everyone's a critic.

If you wanted a binding agreement we should have pinky sweared.

Kate: Babe, did you set your hair on fire again?
Rick: No, that was just one time. It's just that I'm so good looking I'm literally smoking hot.

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.