It's not worth doing something unless you were doing something that someone, somewere, would much rather you weren't doing.

Aziraphale. The Enemy, of course. But an enemy for six thousand years now, which made him a sort of friend.

Peace?' said Vetinari. 'Ah, yes, defined as period of time to allow for preparation for the next war.

I thought it very strange, and very sad, that the fairy kingdom largely appears to be English. I thought it was time for some regional representation. And the Nac Mac Feegle are, well, they're like tiny little Scottish Smurfs who have seen Braveheart altogether too many times.

Reality is not digital, an on-off state, but analog. Something gradual. In other words, reality is a quality that things possess in the same way that they possess, say, weight. Some people are more real than others, for example. It has been estimated that there are only about five hundred real people on any given planet, which is why they keep unexpectedly running into one another all the time.

I certainly don't sit down and plan a book out before I write it. There's a phrase I use called "The Valley Full of Clouds." Writing a novel is as if you are going off on a journey across a valley. The valley is full of mist, but you can see the top of a tree here and the top of another tree over there. And with any luck you can see the other side of the valley. But you cannot see down into the mist. Nevertheless, you head for the first tree.

Humans need fantasy to be human. To be the place where the falling angel meets the rising ape.