I'm not letting you out of our engagement that easily.

Beckett: I thought you were breaking up with me.
Castle: By giving you a ring?

Oh my god! Oh my god! You're proposing!

This job. It's what I want.

It's like we've been doing this dance for five years and what happens when the music stops?

There's something I have to tell you guys but someone else I have to tell first.

We're in this relationship, but we never really talk about where we're going.

If you had the opportunity to do something you really wanted to do, but it would mean everything in your life would change, would you take it?

I know why I'm here.

I'm a homicide detective.

Castle: I was pretty close.
Beckett: If by close, you mean opposite.

You can't fake that kind of panic.

Castle Quotes

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

Castle

One day you will look back and you will realize that every experience you ever had, every seeming mistake or blind alley was actually a straight line to who you were meant to be.

Rick Castle