The Time Lords really didn't like genocide. I'm not too keen on it myself. It's the potential you're killing off. What if, one day, there was a good Dalek? What if...

I am frightened of nothing." "Nothing?" "Nothing." "Are you extremely frightened of nothing?" "Absolutely terrified of it." "I have nothing in my pockets. Would you like to see it?" "No, I most definitely would not.

I think you're doing better than you were the last time we saw you. You're growing a new heart, for a start.

I think I could be a perfectly decent cat. I've been around cats long enough to know what the rules of being a cat are. When all else fails, wash. And I think I could master the thing that cats do, where they stalk away pretending they meant to do whatever it was in the first place; showing their wounded dignity.

He sighed. It was a long sigh, weary and worldly-wise. The kind of sigh you could picture God heaving after six days of hard work and looking forward to some serious cosmic R&R, only to be handed a report by an angel concerning a problem with someone eating an apple.

I believe that anyone who claims to know what's going on will lie about the little things too.

When I was about ten my favourite article in the huge and mouldering Encyclopedia Britannica we owned (the ninth edition) was the one on Lycanthropy. (Yes, I had a favourite 1890s Britannica article when I was ten. I am now aware this is not entirely usual.)