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.

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

Beckett

I am not getting married in space.

Kate

She took my coffee, Castle!

Beckett

Baby bird?

I don't want to let fear win.

Alexis

I keep making the mistake of thinking he's family but he's not. You are.

This job. It's what I want.

Beckett

I ain't afraid of no ghost!

Beckett

You're a cop. I'm a cop...helper

You're bribing me with a latte?

Beckett
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.