"It would seem that you have no useful skill or talent whatsoever" he said. "Have you thought of going into teaching?"

Remember - that which does not kill us can only make us stronger. And that which does kill us leaves us dead!

There are, almost by definition, an unlimited number of Hells - potentially at least a personal one for every living sapient being.

For the first time in her life Granny wondered whether there might be something important in all these books people were setting store by these days, although she was opposed to books on strict moral grounds, since she had heard that many of them were written by dead people and therefore it stood to reason reading them would be as bad as necromancy. Among the many things in the infinitely varied universe with which Granny did not hold was talking to dead people, who by all accounts had enough troubles of their own.

The important thing about having lots of things to remember is that you’ve got to go somewhere afterwards where you can remember them, you see? You’ve got to stop. You haven’t really been anywhere until you’ve got back home.

Knowing that you are going to die is, I suspect, the beginning of wisdom.

You can't map a sense of humor. Anyway, what is a fantasy map but a space beyond which There Be Dragons? On the Discworld we know that There Be Dragons Everywhere. They might not all have scales and forked tongues, but they Be Here all right, grinning and jostling and trying to sell you souvenirs.