When you run with the Doctor, it feels like it'll never end. But however hard you try you can't run forever. Everybody knows that everybody dies and … - Steven Moffat

We've kind of got to tell a lie. We'll go back into history and there will be black people where, historically, there wouldn't have been, and we won't dwell on that. We'll say, 'To hell with it, this is the imaginary, better version of the world. By believing in it, we'll summon it forth'.

I think people have come to think a plot hole is something which isn’t explained on screen. A plot hole is actually something that can’t be explained.

I want people to stop saying it. It is witless. It is appalling that in the face of people's genuine tragedy and traumatic loss, you trot out a stock phrase. What is the matter with you? "Thoughts and prayers?" How about you send money? I mean, how about you send some help? How about you do something? "Thoughts and prayers" is, "Nevermind. Oh, well." I thought that if I can just get it in there like, "Exterminate," as what evil robots say, then maybe people will stop saying that idiotic phrase.