The Doctor...is embarrassingly human for an alien.

Brainy's the new sexy.

All lives end. All hearts are broken. Caring is not an advantage.

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

River Song? Amy Pond? Hardly weak women. It's the exact opposite. You could accuse me of having a fetish for powerful, sexy women who like cheating people. That would be fair.

The trouble with a series as it gets older is it can feel like a tradition, and tradition is the enemy of suspense, and it's the enemy of comedy. It's the enemy of everything, really. So you have to shake it up.

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.