In the early ages men ruled by strength; now they rule by brain, and so long as there is only one man in the world who can think and plan, he will stand head and shoulders above him who cannot.
The point is that descriptive writing is very rarely entirely accurate and during the reign of Olaf Quimby II as Patrician of Ankh-Morpork some legislation was passed in a determined attempt to ?put a stop to this sort of thing and introduce some honest.