Inside every lump of coal there's a diamond waiting to get out.

A good man will kill you with hardly a word.

The important thing about adventures, thought Mr. Bunnsy, was that they shouldn't be so long as to make you miss mealtimes.

Find the story, Granny Weatherwax always said. She believed that the world was full of story shapes. If you let them, they controlled you. But if you studied them, if you found out about them... you could use them, you could change them.

Well, basically there are two sorts of opera," said Nanny, who also had the true witch's ability to be confidently expert on the basis of no experience whatsoever. "There's your heavy opera, where basically people sing foreign and it goes like "Oh oh oh, I am dyin', oh I am dyin', oh oh oh, that's what I'm doin'", and there's your light opera, where they sing in foreign and it basically goes "Beer! Beer! Beer! Beer! I like to drink lots of beer!", although sometimes they drink champagne instead. That's basically all of opera, reely.

Little fussy Otto, in his red-lined black opera cloak with pockets for all his gear, his shiny black shoes, his carefully cut widow's peak and, not least, his ridiculous accent that grew thicker or thinner depending on who he was talking to, did not look like a threat. He looked funny, a joke, a music-hall vampire. It had never previously occurred to Vimes that, just possibly, the joke was on other people.

Real stupidity beats artificial intelligence every time.