DOCTOR: It’s not about losing hope. It’s about never forgetting that hope's always there, even when you can’t see it.

DOCTOR: You don’t need me telling you your family isn’t always the one you were born in. Usually it is, and that’s great, that’s fantastic, but it’s not always like that, and that’s ok. And if you do find people who love you - hold on tight.

DOCTOR: It's this place. The station. It's a collection of stolen moments, all stitched together, multiple snatches of timelines overlapping like, er... like, erm...

SAFFRON: Ooh... like a palimpsest!

DOCTOR: Good word! Yeah! I was going to say "like a layer cake of despair", but that works.