ADA LOVELACE: This is the future? A world on fire.

DOCTOR: These are the dark times. But they don't sustain. Darkness never sustains

(Looks to Noor)

DOCTOR: Even though sometimes it feels like it might.

DOCTOR: When does all this stop for you? The games, the betrayals, the killing?

MASTER: Why would it stop? I mean, how else would I get your attention?