“The Auditors fluttered anxiously. And, as always happens in their species when something goes radically wrong and needs fixing instantly, they settled down to try to work how who was to blame.”

“They know that people need witches; they need the unofficial people who understand the difference between right and wrong, and when right is wrong and when wrong is right. The world needs the people who work around the edges. They need the people who can deal with the little bumps and inconveniences. And little problems. After all, we are almost all human. Almost all of the time.”

“People like that don't need a reason apart from "because I can". They have a nightmare and try to make it happen.”

“Never trust a species that grins all the time. It’s up to something.”

“You did something because it had always been done, and the explanation was, ‘But we’ve always done it this way.’ A million dead people can’t have been wrong, can they?”

“Every organization needs at least one person who knows what's going on, and why it's happening, and who's doing it.”

“The only way to get something to turn up when you need it is to need it to turn up.”