Dean: Nerds.
Sam: Takes one to know one.

You never should have put him in that box.

Castiel

God writes paperback books in his underwear, 'kay? And angels are dicks.

Dean

Jack: You're in my head. I'm making you up.
Lucifer: Or you know I'll tell you the truth.

Maybe he's like me. Being teary in public is not my style.

Bobby

A hunter's memorial complete with monster. Mary would've appreciated that.

Castiel

We got to know her not just as mom but someone who was strong, tough, and stubborn as hell.

Dean

Mary Winchester is no longer on this earth.

Rowena

I swear...if something happened to her...if she's...(points to Castiel)...then you're dead to me.

Dean

Castiel, they were never alone.

Mary (flashback)

Whatever you are, I don't want your help.

Jack

We'd be up the creek without that kid.

Dean

Supernatural Quotes

Why do they call this place The Empty? It's full. It's full of sorrow and despair playing over and over again of angels and demons dreaming about their regrets. Forever.

Ruby

Weird, creepy, off-the-grid "Children of the Corn" people? Yeah, I’m in.

Dean