I tell you, commander, it's true that some of the most terrible things in the world are done by people who think, genuinely think, that they're doing it for the best, especially if there is some god involved.
Terry PratchettI do not in fact use many puns. Certainly there are far fewer than people believe. But I suspect the ones I do occasionally use tend to hang around in people's memories for a while.
Terry PratchettAnd what do you really do? asked Tiffany. The thin witch hesitatied for a moment, and then: We look to ... the edges, said Mistress Weatherwax. There's a lot of edges, more than people know. Between life and death, this world and the next, night and day, right and wrong ... an' they need watchin'. We watch 'em, we guard the sum of things. And we never ask for any reward. That's important.
Terry Pratchett