How can you be so smart and so clueless at the same time?

You think I'm catnip for the predators of the world.

I don't want to let fear win.

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

I know these people. I care about them. It already hurts.

Have you ever looked back on something you've done and it's like someone else is doing it?

Alexis: Halter tops were big in the '70s.
Castle: So were those peasant blouses. Why didn't you wear one of those?

Castle: Did I tell you I got peppered sprayed today?
Alexis: You say that like it's a good thing.

I don’t know who he is but I know what he is, a giant ass.

Wow Dad, could your head get any bigger?

Castle: You set up shop in my office behind my back and it's my fault?
Alexis: Exactly.

Dad, when it comes to your sex life, how about we stick to the After School Special version.

Castle Quotes

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

Castle

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