'Discworld' is taking something that you know is ridiculous and treating it as if it is serious, to see if something interesting happens when you do so.

They can tak' oour lives but they canna tak' oour troousers!

Granny knew all about bad fortune-telling. It was harder than the real thing. You needed a good imagination.

(About a cookbook...) - What about this one? Maids of Honor? - Weeelll, they starts OUT as Maids of Honor...but they ends up Tarts.

But ye gotta know where ye're just gonna rush in. Ye cannae just rush in anywhere. It looks bad, havin' to rush oout again straight awa'.

It's never a good idea to ask a man on a tight-rope how he keeps his balance: a) he would probably fall off and b) he probably doesn't know what the muscles are called in any case.

The author can always delve into his own personality and find aspects of himself with which he can dress his characters.