The universe was bad enough without people poking it.

“Is that all, sir? Only we've got stuff to finish before our knocking-off time, …”

“Needless to say, they refused to submit to the Empire, conducting such a persis…”

“Death stood alone, watching the wheat dance in the wind. Of course, it was only…”

“Lord Vetinari, the Patrician of Ankh-Morpork, poked at the ink in his inkwell. …”