I would like permission to fetch a note from my mother, sir' Ridcully sighed. 'Rincewind, you once informed me, to my everlasting puzzlement, that you never knew your mother because she ran away before you were born. Distinctly remember writing it down in my diary. Would you like another try?' 'Permission to go and find my mother?'

Two types of people laugh at the law: those that break it and those that make it.

I can't be talking to a tree. If I was talking to a tree I'd be mad, and I'm not mad, so trees can't talk.

After a while, another voice said: One, two, three, four- And the universe came into being. It was wrong to call it a big bang. That would just be noise, and all that noise could create is more noise and a cosmos full of random particles. Matter exploded into being, apparently as chaos, but in fact as a chord. The ultimate power chord.

That's one form of magic, of course." "What, just knowing things?" "Knowing things that other people don't know.

Verence would rather cut his own leg off than put a witch in prison, since it'd save trouble in the long run and probably be less painful.

Humans had built a world inside the world, which reflected it in pretty much the same way as a drop of water reflected the landscape. And yet ... and yet ... Inside this little world they had taken pains to put all the things you might think they would want to escape from - hatred, fear, tyranny, and so forth. Death was intrigued. They thought they wanted to be taken out of themselves, and every art humans dreamt up took them further in. He was fascinated.