Rose: 'If you are an alien, how come you sound like you're from the north?' Doctor: 'Lots of planets have a north!

I'll be a story in your head. But that's OK. We're all stories, in the end. Just make it a good one, eh? Because it was, you know; it was the best.

Brainy's the new sexy.

Amy: I had something I wanted to tell him. Stuff always gets in the way. Canton: Stuff does that.

I hope I won't become hated by geeks everywhere, but I don't really know comic books all that well.

You can be as beautiful and charming as you'd like, but if you're not terrific at acting, it will mean nothing on the screen.

The Doctor: I've seen bigger. Clara: Really? The Doctor: Are you joking? It's massive!