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.

So is this how it works Doctor? You never interfere with the affairs of other peoples or planets, unless there are children crying?

I don't know. I can't tell the future I just work there.

If anyone said to me 'invent a new monster so we can sell more toys', I'd kick them out of my office.

Amy: "Can I come?" Doctor: "Not safe in here, not yet. Five minutes. Give me five minutes and I'll be right back." Amy: "People always say that." Doctor: "Am I people?...Do I even look like people?...Trust me, I'm the Doctor.

Amy Pond: 'I thought... well, I started to think you were just a madman with a box.' The Doctor: 'Amy Pond, there's something you better understand about me, 'cause it's important and one day your life may depend on it. [He Smiles] I am definitely a madman with a box.

You want weapons? We're in a library! Books! The best weapons in the world!