DOCTOR: So, that's the trap. Or the test, or the final judgment, I don't know. But if I kill you, I kill her. Except that implies in this big grand scheme of Gods and Devils that she's just a victim. But I've seen a lot of this universe. I've seen fake gods and bad gods and demi-gods and would-be gods, and out of all that, out of that whole pantheon, if I believe in one thing, just one thing, I believe in her.