It was so loud and so deep, it wasn't really sound at all, just something that turned the air hard and then hit you with it.

'Discworld' is taking something that you know is ridiculous and treating it as if it is serious, to see if something interesting happens when you do so.

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.

If you are going to write, say, fantasy - stop reading fantasy. You've already read too much. Read other things; read westerns, read history, read anything that seems interesting, because if you only read fantasy and then you start to write fantasy, all you're going to do is recycle the same old stuff and move it around a bit.

Mort was already aware that love made you feel hot and cold and cruel and weak, but he hadn't realized that it could make you stupid.

What kind of man would put a known criminal in charge of a major branch of government? Apart from, say, the average voter.

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.