Dean: Killer clown? Are you serious?
Sam: No, I'm kidding, because clowns are really funny to me.

What he did? Creation? That took work. That took sacrifice. In order to create the world, God had to give up the only thing he had ever known. He had to betray and sacrifice his only kin, The Darkness, his sister.

Metatron

Do you have any idea how much stuff I had to steal, then pawn, to pay for that?

Metatron

Fatherhood changes a man.

Crowley

I gotta get out of this doily coffin.

Dean

Dean: Bottled toilet water? Why do you keep spraying it?
Sam: I wanted to see if the squeezy thing worked.

Sam: Maybe We're dealing with a serial killer?
Dean: You'd love that wouldn't you.

Dean, people valet park all the time. Come on, live a little.

Sam

We’re gonna have to figure this thing out like we always do. But until then, we hunt.

Dean

Sam: Is everything a Bob Seger song to you?
Dean: Yes.

Dean: Why isn't he picking up?
Sam: Because he's a dick. Not breaking news.

That's God for ya, a boom, a bang, a bust, a revolution, and Taylor Swift.

Crowley