(Angered; agitated; cocky)

 "I worked out what You'd been up to while I was asleep, young lady. I just tried to talk some sense into these two EARLIER DOCTORS! if that's who they are."

"So now, all right, okay -- we're all gonna have some sort of 'Multi-Doctor... EVENT! WH-WHETHER YOU LIKE IT OR NOT!"

(A bit concerned sounding, hidden under his grouchy confidence)

"So, if we're trapped in this timeline, the prophecy Clara found will be fulfilled. Game over."

(aggressively, yet, hopelessly - as if he has nothing left to loose)

"Ah, look at your faces... MY old faces. The three faces of IDIOCY. Have you really not GOT it yet? I planned this from the start. You are now captives of the Voord... and I'm their leader."