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.'

A true beanie should have a propellor on the top.

And our lady friend, she thinks life works like a fairy tale.' Well, that’s harmless, isn’t it?' Yeah, but in fairy tales, when someone dies... it’s just a word.

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.

Once upon a time the plural of 'wizard' was 'war'.

It is possibly worth mentioning at this point that Mr. Young thought that paparazzi was a kind of Italian linoleum.

They obeyed, as wise men do when a woman puts her foot down . . .