Raphael, Castiel and others in “Unfinished Business”

But there's no other explanation. He's gone for good.

Castiel

You're lying.

Am I? Do you remember the twentieth century? Think the twenty-first is going any better? Do you think God would've let any of that happen if He were alive?

Dean

Oh yeah? Well then who invented the Chinese basket trick?

Careful. That's my Father you're talking about, boy.

Dean

Yeah, who would be so proud to know that His sons started the friggin' apocalypse.

Who ran off and disappeared. Who left no instructions, and a world to run.

Dean

So Daddy ran away and disappeared. He didn't happen to work for the post office, did He?

This is funny to you? You're living in a Godless universe!