I didn't open this place to make money. I opened it for the exciting cases.

While I do love kissing you Beckett, it's just a little creepy when you do it in front of a dead body. It's inappropriate.

Hayley: It might be for the best. Ignorance is bliss.
Castle: No, ignorance is hell.

I am your father and from the day you came into this world it's been my job to protect you.

I already work with the greatest detective in the world.

Castle: “For Richard - Without your constant stumbles in life the advice in this book would not have been possible.” Constant stumbles?
Martha: Let's not make this about you.

I'm not making anymore decisions concerning LokSat without Beckett.

Contrary to what you three have led me to believe, those women's prisons are nothing like the late night skin-a-max movies.

Got a crime scene right here. My mother just killed the mood.

Castle: I have no need for genies because I already have everything I could ever wish for.
Beckett: Right back at you, handsome.

Beckett: Time machine?
Castle: Only to go back and fall in love with you all over again.

Beckett: That my man would stop talking about being some skeezy blonde's master and start talking about taking his wife to bed.
Castle: Oh well, I don't need a genie to grant that wish.

Castle Quotes

I need time to stop being mad and you need time to figure out a way to be OK with this.

Alexis

I tried to stay in the car I really did.

Castle