As John Wesley rode across Hounslow Heath lace one night, singing a favorite hymn, he was startled by a fierce voice shouting, "Halt," while a firm hand seized the horse's bridle. Then the man demanded, "Your money or your life."

Wesley obediently emptied his pockets of the few coins they contained and invited the robber to examine his saddlebags which were filled with books. Disappointed at the result, the robber was turning away when evangelist cried, "Stop! I have something more to give you."

The robber, wondering at this strange call, turned back. Then Wes…