Robert

“Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.”
― Terry Pratchett, Jingo

“It's not worth doing something unless someone, somewhere, would much rather you weren't doing it.”
― Terry Pratchett

“Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry.”
― Terry Pratchett, Thief of Time

“...the proliferation of luminous fungi or iridescent crystals in deep caves where the torchlessly improvident hero needs to see is one of the most obvious intrusions of narrative causality into the physical universe.”
― Terry Pratchett, The Last Continent