When Novice Hame is describing to the Doctor how the virus killed the population - except those in the sealed Motorway - she says, 'they were saved.' This idea - of being 'saved,' rather than 'safe,' will play a big part in the linked episodes of the next series; Silence in The Library and Forest of The Dead. See more
I lied to you, 'cause I liked it. I could pretend, just for a bit, I could imagine they were still alive underneath the burnt orange sky. I'm not just a Time Lord: I'm the last of the Time Lords. The Face of Boe was wrong. There's no one else.
There was a war. A Time War. The last great Time War. My people fought a race called the Daleks for the sake of all creation, and they lost. They lost. Everyone lost. They're all gone now, my family, my friends, even that sky. Ah, you ...