The historian Thomas Carlyle considered Muhammad one of the world's greatest heroes, yet even he called the Koran "as toilsome reading as I ever undertook; a wearisome, confused jumble."
El historiador Thomas Carlyle consideraba a Mahoma uno de los más grandes héroes del mundo e incluso llamó al Corán "la lectura más dura que jamás inicié, una tediosa y confusa maraña".