Only in our dreams are we free. The rest of the time we need wages.

The only thing more dangerous then a vampire crazed with blood lust was a vampire crazed with anything else. All the meticulous single-mindedness that went into finding young women who slept with their bedroom window open got channeled into some other interest, with merciless and painstaking efficiency.

Most armies are in fact run by their sergeants - the officers are there just to give things a bit of tone and prevent warfare becoming a mere lower-class brawl.

Dedication: My thanks to the people who showed me that opera was stranger than I could imagine. I can best repay their kindness by not mentioning their names here.

Maybe the only significant difference between a really smart simulation and a human being was the noise they made when you punched them.

Time was something that largely happened to other people; he viewed it in the same way that people on the shore viewed the sea. It was big and it was out there, and sometimes it was an invigorating thing to dip a toe into, but you couldn't live in it all the time. Besides, it always made his skin wrinkle.

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.