The more you think about it, the more amazing the everyday world of human beings becomes: most of it doesn't actually exist at all.

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.

I think I work much harder on the children's books. I suppose I enjoy that. I find it interesting that although there are more than 30 books in the Discworld series, it is the four that were written for children which have won the awards. I've never been quite certain why this is.

I was a very keen reader of science fiction.

The truth may be out there, but lies are inside your head.

Look at Satan. Created as an angel, grows up to be the Great Adversary. Hey, if you’re going to go on about genetics, you might as well say the kid will grow up to be an angel. After all, his father was really big in Heaven in the old days. Saying he’ll grow up to be a demon just because his dad became one is like saying a mouse with its tail cut off will give birth to tailless mice. No. Upbringing is everything. Take it from me.

In Genua, someone set out to make dreams come true. Remember some of your dreams?