Sergeant Colon of the Ankh-Morpork City Guard was on duty. He was guarding the Brass Bridge, the main link between Ankh and Morpork. From theft. When it came to crime prevention, Sergeant Colon found it safest to think big.

Not for the first time in the history of the universe, someone for whom communication normally came as effortlessly as a dream was stuck for inspiration when faced with a few lines on the back of a card.

The singers all loathe the sight of one another, the chorus despises the singers, they both hate the orchestra, and everyone fears the conductor; the staff on one prompt side won't talk to the staff on the opposite prompt side, the dancers are all crazed from hunger in any case.

Everything is a test.

If you really want to upset a witch, do her a favor which she has no means of repaying. The unfulfilled obligation will nag at her like a hangnail.

What was supposed to be so special about a full moon? It was only a big circle of light. And the dark of the moon was only darkness. But halfway between the two, when the moon was between the worlds of light and dark, when even the moon lived on the edge...maybe then a witch could believe in the moon.

Anyway, if you stop tellin' people it's all sorted out afer they're dead, they might try sorting it all out while they're alive.