Dark Fantasy is just another way of saying Horror.

And gears," said Anathema. "My bike didn't have gears. I'm sure my bike didn't have gears." Crowley leaned over to the angel. "Oh lord, heal this bike," he whispered sarcastically. "I'm sorry, I just got carried away," hissed Aziraphale.

Granny Weatherwax was often angry. She considered it one of her strong points. Genuine anger was one of the world's greatest creative forces. But you had to learn how to control it. That didn't mean you let it trickle away. it meant you dammed it, carefully, let it develop a working head, let it drown whole valleys of the mind and then, just when the whole structure was about to collapse, opened a tiny pipeline at the base and let the iron-hard stream of wrath power the turbines of revenge.

Lots of ingenuity gets you through times with no money better than money gets you through times of no ingenuity.

People were stupid, sometimes. They thought the Library was a dangerous place because of all the magical books, which was true enough, but what made it really one of the most dangerous places there could ever be was the simple fact that it was a library.

Lots of people would be as cowardly as me if they were brave enough.

Poets have tried to describe Ankh-Morpork. They have failed. Perhaps it's the sheer zestful vitality of the place, or maybe it's just that a city with a million inhabitants and no sewers is rather robust for poets, who prefer daffodils and no wonder. So let's just say that Ankh-Morpork is as full of life as an old cheese on a hot day, as loud as a curse in a cathedral, as bright as an oil slick, as colourful as a bruise and as full of activity, industry, bustle and sheer exuberant busyness as a dead dog on a termite mound.