Witty and mean is easy - but fond and funny is hard.

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!

Sherlock Holmes becomes more human and more adept at fitting in with a lot of people, but he remains separate from the human race because he finds that a better place to observe that from. He stays on the mountain top because there, he can see clearly.

If you take most men aside when their wives are pregnant, most men are pretty frightened and worried and faintly disgusted by the whole experience.

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

I was called a misogynist because I was reducing women to mothers. 'Reducing women to mothers' – now there is possibly the most anti-women statement I've heard.

Madness is just what a genius looks like to a tiny mind.