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

Castle: You're not alone in this. I'm here.
Beckett: I know.

It is what it is.

Ryan

Don't listen to those haters.

Esposito

Spoiler alert.

Hurts like these take time to heal.

She took my coffee, Castle!

Beckett

Science fiction is not science.

Misgivings? Katherine, that was the farthest thing from his mind. He couldn't wait to be married to you.

Martha

You do whatever you need to do to help him.

Gates

It's a vlog! A video blog!

That's the thing about luck, it changes.

Mr. Turner
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: You're not alone in this. I'm here.
Beckett: I know.