In all seriousness, people think that it's the ideas that are important. Well, everyone has ideas, all the time. I tend to write mine down and remember them, but at some point you have to apply the bum to the seat and knock out about sixty five thousand words - that's how long a novel is.

The Library didn't only contain magical books, the ones which are chained to their shelves and are very dangerous. It also contained perfectly ordinary books, printed on commonplace paper in mundane ink. It would be a mistake to think that they weren't also dangerous, just because reading them didn't make fireworks go off in the sky. Reading them sometimes did the more dangeous trick of making fireworks go off in the privacy of the reader's brain.

What's the orbital velocity of the moon?

Always remember that the crowd that applauds your coronation is the same crowd that will applaud your beheading. People like a show.

The landscape was snow and green ice on broken mountains. These weren't old mountains, worn down by time and weather and full of gentle ski slopes, but young, sulky, adolescent mountains. They held secret ravines and merciless crevices. One yodel out of place would attract, not the jolly echo of a lonely goatherd, but fifty tons of express-delivery snow.

Ah," said Mr Pin. "Right. I remember. You are concerned citizens." He knew about concerned citizens. Wherever they were, they all spoke the same private language, where 'traditional values' meant 'hang someone'.

The universe clearly operates for the benefit of humanity. This can be readily seen from the convenient way the sun comes up in the morning, when people are ready to start the day.