That's why it's always worth having a few philosophers around the place. One minute it's all is truth beauty and is beauty truth, and does a falling tree in the forest make a sound if there's no one there to hear it, and then just when you think they're going to start dribbling one of 'em says, incidentally, putting a thirty-foot parabolic reflector on a high place to shoot the rays of the sun at an enemy's ships would be a very interesting demonstration of optical principles.

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.'

All tapes left in a car for more than about a fortnight metamorphose into Best of Queen albums.

Once you gave a thing a name, you gave it life.

Soon to come in licorice, orange, cinnamon, and banana, but not strawberry, because I hate strawberries.

We are monkeys. We like to chatter. Chattering doesn't cost us anything.

I’ve seen excitement, and I’ve seen boredom. And boredom was best.