So let's not get frightened when the children read fantasy. It's the compost for a healthy mind. It stimulate s the inquisitive nodes, and there is some evidence that a rich internal fantasy life is as good and necessary for a child as healthy soil is for a plant, for much the same reasons.

Getting an education was a bit like a communicable sexual disease. It made you unsuitable for a lot of jobs and then you had the urge to pass it on.

In order to have a change of fortune at the last minute, you have to take your fortune to the last minute.

Sooner or later we're all someone's dog.

It was lonely on the hill, and cold. And all you could do was keep going. You could scream, cry, and stamp your feet, but apart from making you feel warmer, it wouldn’t do any good. You could say it was unfair, and that was true, but the universe didn’t care because it didn’t know what “fair” meant. That was the big problem about being a witch. It was up to you. It was always up to you.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

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.'