So let's not get frightened when the children read fantasy. It's the compost for a healthy mind. It stimulate s the inquisitive nodes, and there is some evidence that a rich internal fantasy life is as good and necessary for a child as healthy soil is for a plant, for much the same reasons.

Natural selection saw to it that professional heroes who at a crucial moment tended to ask themselves questions like 'What is my purpose in life?' very quickly lacked both.

You’d better tell me what you know, toad,” said Tiffany. “Miss Tick isn’t here. I am.” “Another world is colliding with this one,” said the toad. “There. Happy now? That’s what Miss Tick thinks. But it’s happening faster than she expected. All the monsters are coming back.” “Why?” “There’s no one to stop them.” There was silence for a moment. “There’s me,” said Tiffany.

There's always a story. It's all stories, really. The sun coming up every day is a story. Everything's got a story in it. Change the story, change the world.

That's the Ankh-Morpork instinct, Vimes thought. Run away, and then stop and see if anything interesting is going to happen to other people.

Everything starts somewhere, though many physicists disagree. But people have always been dimly aware of the problem with the start of things. They wonder how the snowplough driver gets to work, or how the makers of dictionaries look up the spelling of words.

Wizards don't believe in gods in the same way that most people don't find it necessary to believe in, say, tables. They know they're there, they know they're there for a purpose, they'd probably agree that they have a place in a well-organised universe, but they wouldn't see the point of believing, of going around saying "O great table, without whom we are as naught." Anyway, either the gods are there whether you believe in them or not, or exist only as a function of the belief, so either way you might as well ignore the whole business and, as it were, eat off your knees.