It was the heart of any scam or fiddle -- keep the punter uncertain, or, if he is certain, make him certain of the wrong thing.

Tourist, Rincewind decided, meant ‘idiot.

Sometimes I feel that the world is made up of sensible people who know the plot and bloody idiots who don't.

My own books drive themselves. I know roughly where a book is going to end, but essentially the story develops under my fingers. It's just a matter of joining the dots.

Ordinary fortune-tellers tell you what you want to happen; witches tell you what’s going to happen whether you want it to or not. Strangely enough, witches tend to be more accurate but less popular.

Just to keep bad dreams at bay, she took a swig out of a bottle that smelled of apples and happy brain-death.

Maybe the best comics are written by people who really are at ease in the comic world.