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.

Everything I've ever done, every choice I've ever made, every terrible and wonderful thing that's ever happened to me, it's all led me to right here, this moment with you.

One day you will look back and you will realize that every experience you ever had, every seeming mistake or blind alley was actually a straight line to who you were meant to be.

Rick Castle

Firemen? Really? Isn't that a little cliche?

My partner is in that bank!

Beckett

Betrayal is a way of life.

Martha

A writer and his muse solving crime, just like us.

Your books are not exactly Shakespeare.

Martha [to Castle]

So instead of Mai Tais we get murder.

I don't even know how to do this!

Beckett

Beckett: It's complicated.
Martha: So were his last two divorces.

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

It seems Detective Beckett is available for a play date.

Martha