If the government ever imposes a tax on books - and I wouldn't put it past them - I'm in dead trouble.

If you were going to be successful in the world of crime, you needed a reputation for honesty.

And, while it was regarded as pretty good evidence of criminality to be living in a slum, for some reason owning a whole street of them merely got you invited to the very best social occasions.

Or -- and this she knew was a far more accurate way of looking at it -- the book was true and reality was lying.

Reality is not digital, an on-off state, but analog. Something gradual. In other words, reality is a quality that things possess in the same way that they possess, say, weight. Some people are more real than others, for example. It has been estimated that there are only about five hundred real people on any given planet, which is why they keep unexpectedly running into one another all the time.

We're dealing here," said Vimes, "With a twisted mind." "Oh, no! You think so?" "Yes." "But... no... you can't be right. Because Nobby was with us all the time." "Not Nobby," said Vimes testily. "Whatever he might do to a dragon, I doubt if he'd make it explode. There's stranger people in this world than Corporal Nobbs, my lad." Carrot's expression slid into a rictus of intrigued horror. "Gosh," he said.

[Y]ou weren't born with a talent for witchcraft: it didn't come easily; you worked hard at it because you wanted it. You forced the world to give it to you, no matter the price, and the price is and always will be high... People say you don't find witchcraft; witchcraft finds you. But you've found it, even if at the time you didn't know what it was you were finding, and you grabbed it by its scrawny neck and made it work for you.