It cannot be said often enough that science fiction as a genre is incredibly educational - and I'm speaking the written science fiction, not 'Star Trek.' Science fiction writers tend to fill their books if they're clever with little bits of interesting stuff and real stuff.

She was already learning that if you ignore the rules people will, half the time, quietly rewrite them so that they don't apply to you.

Got to be worth a try, I suppose," said Crowley. "It's not as if I haven't got lots of other work to do, God knows." His forehead creased for a moment, and then he slapped the steering wheel triumphantly. "Ducks!" he shouted. "What?" "That's what water slides off!" Aziraphale took a deep breath. "Just drive the car, please," he said wearily.

Ankh-Morpork! Pearl of cities! This is not a completely accurate description, of course — it was not round and shiny — but even its worst enemies would agree that if you had to liken Ankh-Morpork to anything, then it might as well be a piece of rubbish covered with the diseased secretions of a dying mollusc.

What're quantum mechanics?" "I don't know. People who repair quantums, I suppose.

I like the idea of democracy. You have to have someone everyone distrusts.

I try to make computers say things like You have 60 seconds to achieve safe distance.