Castle: Which is why we don't approach this like cops. We approach this like writers.
Beckett: So we procrastinate and make stuff up?

I don't know if it comes with the room but there's a naked cowboy shaving in our bathroom.

Daisy Mae: It's a single room with a twin bed.
Castle: That's OK. We're cuddlers.

Saddle up, honey, because we are honeymooning out west. Hee Haw.

So instead of Mai Tais we get murder.

The moment we met my life became extraordinary. You taught me more about myself than I knew there was to learn. You are the joy in my heart. You are the last person I want to see every night before I close my eyes. I love you Katherine Beckett and the mystery of you is the one I want to spend the rest of my life exploring. I promise to love you, to be your friend and your partner in crime and life till death do us part and for the time of our lives.

It was six years ago. Your hair was short then, it was adorable.

Beckett: Why do you always have to touch everything?
Castle: I thought you liked that about me.

it's like It's a Wonderful Life. Every time your phone rings, a victim gets their wings.

Your old FBI squeeze? You're so lucky I came along and saved you from that life.

It's time I let technology wrap me in its warm yet lucrative embrace.

It's going to be Castle 2.0. It's going to be Castle in the cloud.

Castle Quotes

Castle: The fact that you even think that breaks my heart. I would walk into a tornado for you, Kate.
Beckett: And I would die if I lost you.

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