That's why it's always worth having a few philosophers around the place. One minute it's all is truth beauty and is beauty truth, and does a falling tree in the forest make a sound if there's no one there to hear it, and then just when you think they're going to start dribbling one of 'em says, incidentally, putting a thirty-foot parabolic reflector on a high place to shoot the rays of the sun at an enemy's ships would be a very interesting demonstration of optical principles.

Haven't you got any romance in your soul?" said Magrat plaintively. "No," said Granny. "I ain't. And stars don't care what you wish, and magic don't make things better, and no one doesn't get burned who sticks their hand in a fire. If you want to amount to anything as a witch, Magrat Garlick, you got to learn three things. What's real, what's not real, and what's the difference.

We've strayed into a zone with a high magical index,' he said. 'Don't ask me how. Once upon a time a really powerful magic field must have been generated here, and we're feeling the after-effects.' Precisely,' said a passing bush.

I think it's IMPOSSIBLE for anyone famous to come from here, because everyone around here is insane.

Either dragons should exist completely or fail to exist at all, he felt. A dragon only half-existing was worse than the extremes.

What your soldier wants - really, really wants - is no-one shooting back at him.

In the beginning there was nothing, which exploded.