The Doctor: Rose... before I go, I just want to tell you: you were fantastic. Absolutely fantastic. And do you know what? [Pause] So was I!

Cyber Leader: Daleks, be warned. You have declared war upon the Cybermen. Dalek Sec: This is not war - this is pest control! Cyber Leader: We have five million Cybermen. How many are you? Dalek Sec: Four. Cyber Leader: You would destroy the Cybermen with four Daleks? Dalek Sec: We would destroy the Cybermen with one Dalek! You superior in only one respect. Cyber Leader: What is that? Dalek Sec: You are better at dying.

...Something we once loved, and love now, in the shape of a book. Maybe eBooks are going to take over, one day, but not until those whizzkids in Silicon Valley invent a way to bend the corners, fold the spine, yellow the pages, add a coffee ring or two and allow the plastic tablet to fall open at a favorite page.

It's tough and it should be tough - it should never be easy to be given millions of pounds to make a drama. The coalition government is doing terrible things to the BBC, but drama will survive even if we end up putting on a play in a backroom of a pub.

...The very word 'fiction' implies another world, literally a different place, whereas no one claims that a dedicated sportsman is escaping his life, or a chef or a nurse. But the poor writer - the sci-fi one especially - is seen as running away. Bollocks. This is real, for me, and it's tough, it's fun, it's practical, and it's very, very important.

Wilf: God bless the cactuses! The Doctor: That's cactI. Alien: And that's racist!

Anything works, as long as you write it properly.