Their families cordially detested one another.

He said it was better to belong where you don't belong than not to belong where you used to belong, remembering when you used to belong there.

I was just a kid then. But I won't forget. Nor will others. There's lots of people with reason to hate the Church.

Racism was not a problem on the Discworld, because - what with trolls and dwarfs and so on - speciesism was more interesting. Black and white lived in perfect harmony and ganged up on green.

Inside every sane person there's a madman struggling to get out," said the shopkeeper. "That's what I've always thought. No one goes mad quicker than a totally sane person.

If there's one thing that really annoys a god, it's not knowing something.

Most of the great triumphs and tragedies of history are caused not by people being fundamentally good or fundamentally evil, but by people being fundamentally people.