Its useful to go out of this world and see it from the perspective of another one.

Divers alarums and excursions', she read, uncertainly. 'That means lots of terrible happenings, said Magrat. 'You always put that in plays.' Alarums and what?', said Nanny Ogg, who hadn't been listening. Excursions', said Magrat patienly. Oh.' Nanny Ogg brightened a bit. 'The seaside would be nice,' she said. Oh do shut up, Gytha,' said Granny Weatherwax. 'They're not for you. They're only for divers, like it says. Probably so they can recover from all them alarums.

Any true wizard, faced with a sign like 'Do not open this door. Really. We mean it. We're not kidding. Opening this door will mean the end of the universe,' would automatically open the door in order to see what all the fuss is about. This made signs rather a waste of time, but at least it meant that when you handed what was left of the wizard to his grieving relatives you could say, as they grasped the jar, 'We told him not to."

Particles of raw inspiration sleet through the universe all the time. Every once in a while one of them hits a receptive mind, which then invents DNA or the flute sonata form or a way of making light bulbs wear out in half the time. But most of them miss. Most people go through their lives without being hit by even one.

Our garden was debated territory between five local cats, and we'd heard that the best way to keep other cats out of the garden was to have one yourself. A moment's rational thought here will spot the slight flaw in this reasoning.

They can tak' oour lives but they canna tak' oour troousers!

This is a lovely party," said the Bursar to a chair, "I wish I was here.