Above all—and here is a trap that Christianity has mostly avoided by awarding its prophet a human body but a nonhuman nature—he was blessed with numerous descendants and thus placed his religious posterity in a position where it was hostage to his physical one. Nothing is more human and fallible than the dynastic or hereditary principle, and Islam has been racked from its birth by squabbles between princelings and pretenders, all claiming the relevant drop of original blood.

