Fascinatingly confident, rude people are great.

Come on, Rory! It isn't rocket science, it's just quantum physics! -The Doctor (Matt Smith)

The Doctor: Oh, now what's this, then? I love this. A big, flashy-lighty thing. That's what brought me here. Big, flashy-lighty things have got me written all over them. Not actually, but give me time... and a crayon.

My priorities are where they should be, which is making really great, really exciting television.

Don't play games with me! You just killed someone I like, that is not a safe place to stand! I'm the Doctor, and you're in the biggest library in the Universe. Look me up.

We have a plan to top it. And I do think our plan is devastating. We’ve practically reduced our cast to tears telling them the plan … we’re probably more excited that we’ve ever been about Sherlock.

There’s this issue you’re not allowed to discuss: that women are needy. Men can go for longer, more happily, without women. That’s the truth. We don’t, as little boys, play at being married - we try to avoid it for as long as possible. Meanwhile women are out there hunting for husbands.