The words are easy - most of them have already been invented.
A good bookshop is just a genteel Black Hole that knows how to read.
'Discworld' is taking something that you know is ridiculous and treating it as if it is serious, to see if something interesting happens when you do so.
Susan says, don't get afraid, get angry.
People needed to believe in gods, if only because it was so hard to believe in people.
He was certain he was anorectic, because every time he looked in a mirror he saw a fat man. It was the Archchancellor, standing behind him and shouting at him.