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

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

I should never leave. We can be the father daughter version of Grey Gardens.

Alexis

Castle:See I'm helping
Agent Shaw:Ya great buy you an ice cream later.

Don't ruin my story with your logic.

Castle to Beckett

That's like throwing gasoline on fireworks.

Esposito

Castle:Now that was big.
Beckett:Oh and intimate.

Beckett: He is resourceful but he's not that resourceful.
Ryan: He got you to marry him, didn't he?

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

He sent me because he owed you. He wanted you to live.

Elena Markov

There's a snake on the mother flying plane!

Rick Castle

A southern chill? More like a polar vortex.

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

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

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

Castle