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

It must be hard for humans, forever floundering through inconvenient geography. Humans are always lost. It's a basic characteristic. It explains a lot about them.

We're dealing here," said Vimes, "With a twisted mind." "Oh, no! You think so?" "Yes." "But... no... you can't be right. Because Nobby was with us all the time." "Not Nobby," said Vimes testily. "Whatever he might do to a dragon, I doubt if he'd make it explode. There's stranger people in this world than Corporal Nobbs, my lad." Carrot's expression slid into a rictus of intrigued horror. "Gosh," he said.

No one is actually dead until the ripples they cause in the world die away.

When millions of tons of angry elephant come spinning through the sky, and there was no one there to hear it, does it - philosopically speaking - make a noise

Granny Weatherwax was often angry. She considered it one of her strong points. Genuine anger was one of the world's greatest creative forces. But you had to learn how to control it. That didn't mean you let it trickle away. it meant you dammed it, carefully, let it develop a working head, let it drown whole valleys of the mind and then, just when the whole structure was about to collapse, opened a tiny pipeline at the base and let the iron-hard stream of wrath power the turbines of revenge.

The Librarian was not familiar with love, which had always struck him as a bit ethereal and soppy, but kindness, on the other hand, was practical. You knew where you were with kindness, especially if you were holding a pie it had just given you.