I think when people mean that Discworld books have become darker they really mean the series is growing up. In 'The Colour of Magic' most of the city is set alight. It's a joke, in much the same way that the Earth is destroyed almost at the start of Douglas Adams's 'The Hitchhikers Guide to the Galaxy.'

The thing is, I mean, there’s times when you look at the universe and you think, “What about me?” and you can just hear the universe replying, “Well, what about you?”

In her own special category, she was quite beautiful. This was the category of all the women, in his entire life, who had ever thought he was worth smiling at.

I mean, I wouldn't pay more than a couple of quid to see me, and I'm me.

I've lost both parents in the last two years, so you pick up on that stuff. That's the most terrible thing about being an author - standing there at your mother's funeral, but you don't switch the author off. So your own innermost thoughts are grist for the mill.

A hardback's harder at Christmas time because that's a good hardback buying time.

The entire universe has been neatly divided into things to (a) mate with, (b) eat, (c) run away from, and (d) rocks.