The difference between a beautifully made failure and a beautifully made hit is who you've got playing the leads.

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

Think you've seen it all? Think again. Outside those doors, we might see anything. We could find new worlds, terrifying monsters, impossible things. And if you come with me... nothing will ever be the same again!

You know when sometimes you meet someone so beautiful — and then you actually talk with them, and five minutes later they're as dull as a brick. But then there's other people, and you meet them and you think: "Not bad, they're okay," and then you get to know them, and their face sort of becomes them, like their personality's written all over it; and they just — and they turn into something so beautiful.

I like naked women! I'm a bloke! I'm supposed to like them! We're born like that. We like naked women as soon as we're pulled out of one... When Man invented fire, he didn't say "Hey, let's cook!" He said: "Great! Now we can see naked bottoms in the dark!"... The story of male achievement through the ages, feeble though it may have been, has been the story of our struggle to get a better look at your bottoms.

I don't think, generally speaking, people become writers because they were the really good, really cool, attractive kid in class. I'll be honest. This is our revenge for people who were much better looking and more popular than us. I was a bit like that, I suppose.

The Doctor: This is bad, I don't like this. [kicks console and yells in pain] Never use force, you just embarrass yourself. Unless you're cross, in which case... always use force! Amy: Shall I run and get the manual? The Doctor: I threw it in a supernova. Amy: You threw the manual in a supernova? Why? The Doctor: Because I disagreed with it! Now stop talking to me when I'm cross!