Whatever it is you're scared of doing, Do it.

You're always you, and that don't change, and you're always changing, and there's nothing you can do about it.

With pornography, if you don't get hard or wet, depending on your gender, it didn't work. With humour, if you don't laugh it didn't work. And with horror, if you don't get scared or haunted, depending on what it's trying to do, it didn't work. I'm fascinated by those three categories.

I loved all books that I could read, and I never knew if I was ready for it until I tried to read it, so I tried to read everything.

You know what my mum once said?’ said Rosie… ‘She said that if a just-married couple put a coin in a jar every time they make love in their first year, and take a coin out for every time that they make love in the years that follow, the jar will never be emptied.’ And this means…?’ Well’, she said. ‘It’s interesting, isn’t it?

When you start off, you have to deal with the problems of failure. You need to be thickskinned, to learn that not every project will survive.

Doctor Who has never pretended to be hard science fiction... At best Doctor Who is a fairytale, with fairytale logic about this wonderful man in this big blue box who at the beginning of every story lands somewhere where there is a problem...