Just because you're smart and beautiful doesn't mean you have good judgement.

Relationships aren't math problems. You don't solve them by being practical.

Castle: What was your talent?
Martha: The way I wore a sweater.

How come I didn't hear about this on TMZ?

Death of a beauty queen. Scandalous.

You know what I thought when I first met you? You were a mystery I was never going to solve.

Castle: This is so weird, I dressed up as him for Halloween.
Beckett: I did too.

Castle: Worried you can't control yourself when we're alone?
Beckett: It's not me that I'm worried about.

Castle: Thank you.
Beckett: Always.

I want you all to myself. If that makes me petty, so be it.

Castle to Beckett

Captain: She's like a tiger in there, I never get tired of watching her.
Castle: Me either.

He was out playing grand theft auto.

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