Peter Capaldi, will always be Doctor Who. You retain the title forever. Ask your predecessors, they all think they're the real one. I've had Sunday lunch with Peter Davidson and David Tennant and they're eyeing each other like, 'It's me!

Young Reinette: Monsieur, be careful! The Doctor: It's just a nightmare, Reinette, don't worry, everyone has nightmares. Even monsters under the bed have nightmares! Young Reinette: What do monsters have nightmares about? The Doctor: Me!

Twins are under-represented in the media. Hamlet - never twins. Hamlet Twins Of Denmark. King And Queen Lear. It would work. Come on, more twins on television.

You'll go out of business if you think people are stupid.

An awful lot of storytelling isn't really about making people understand - it's about making people care.

There's something that doesn't make sense. Let's go and poke it with a stick.

See the bowtie? I wear it and I don't care. That's why it's cool.