I don't know what it's like to be God — obviously …until that very first moment when you get to sit down and type the words in your script: INTERIOR. TARDIS. … Suddenly I got a very good idea of what it must feel like. I went: "I'm writing it now this scene in the Tardis. I'm writing it!" And that was amazing, it was wonderful.
On writing the script for the episode of Doctor Who, "The Doctor's Wife" (originally titled "House of Nothing"), as quoted in "Neil Gaiman reveals power of writing Doctor Who" by Tim Masters at BBC News (24 May 2010)