“She gazed out across the rooftops of Ankh-Morpork and reasoned like this: writing was only the words that people said, squeezed between layers of paper until they were fossilized (fossils were well known on the Discworld, great spiraled shells and badly constructed creatures that were left over from the time when the Creator hadn't really decided what He wanted to make and was, as it were, just idly messing around with the Pleistocene). And the words people said were just shadow of real things. But some things were too big to be really trapped in words, and even the words were too powerful to be completely tamed by writing.”