Castle, I could use a silver lining right now.

Beckett

Rick: Mom, we are totally doing battle on the field of honor.
Martha: How old are you?
Rick: Old enough to afford top-of-the-line laser tag.

Castle can be a pain in the ass, but he thinks outside the box.

Captain Montgomery

Folks, we live here. Our families, our loved ones, our neighbors. I don't have to tell you what's at stake.

Fallon

How could you not know the man you are sharing a bed with is a terrorist?

Fallon

I wish that I had someone who could be there for me and I could be there for him and we could do it together.

Beckett

With one foot out the door, it's hard to know where you stand.

For reasons too disturbing to mention, I find that hot.

Best. Dad. Ever.

You know Beckett, she keeps it close to the vest.

Esposito

Kate: Look I signed up for this when I put that badge on. You didn't. It's not your fight.
Rick: The hell it isn't. I don't run around you just to annoy you, I don't write up murder scenes in the middle of the night to satisfy some morbid curiosity. If that's all this was I would have quit a long time ago.
Kate: Then why do you keep coming back Rick?

Richard Castle believes in you and I believe in him.

Beckett

Castle Season 3 Quotes

He really is ruggedly handsome.

Ryan (looking at cutout of Castle)

Ryan: (drops egg off desk)
Beckett: Are you guys reenacting the "Humpty Dumpty crime scene?"