An Arab prince once owned a beautiful horse--a horse that was the envy of all. One man in particular tried to buy the horse, but the prince refused to set a price.  One day the prince was riding across the desert. He saw the body of a man lying in the path, apparently exhausted. The prince dismounted and put the unfortunate traveler on his horse. Immediately the traveler revived, straightened up, and rode off. It was the very man who had tried so often to buy the prince’s horse. Now he had obtained the horse without paying anything.   

“Wait!” cried the prince. “Please tell no one how you got that horse.” 

“Why?” laughed the thief. “Are you afraid they will laugh at you?” 

“No,” said the prince. “I am afraid it might hinder someone else from offering help to some other traveler whose ne…