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

Castle: How do you know when you're in love?
Beckett: All the songs make sense.

She took my coffee, Castle!

Beckett

It is what it is.

Ryan

Ho, Ho, Ho!

Javier

Hey fanboy, let's go.

Esposito

The guy is crazy about you. And despite your little act, you're crazy about him.

Lanie

This job. It's what I want.

Beckett

She's the best.

Castle (about Beckett)

Castle: You read music?
Esposito: What, just because I'm a cop means I can't sing?

I think we may have just dug our own graves.

Rick Castle

Either this is the most boring dream I've ever had or you can't sleep either.

From, "Don't ruin my story with your logic" to "We want the happy ending, we can't give up." Check out all of the great Castle quotes right here at TV Fanatic.

Castle Quotes

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

Castle

Castle: How do you know when you're in love?
Beckett: All the songs make sense.