Once upon a time . . . an old carter kept a horse and a donkey in the same stable. He was equally fond of both his animals, but as he used the horse to pull his trap, he gave it better food and more attention than he did the donkey. However, the donkey, knowing he was not so precious as his stablemate, ate straw instead of corn and hay, without complaining. Even when both animals carried sacks to market, the donkey's was the heavier load, for the carter did not want to overwork his noble horse, though he had no such feelings about the donkey. As time went by, the horse grew more handsome and robust, while the donkey became thin and weak. One day, on their way to market, the donkey was carrying his usual heavy load, while the horse had only two lightweight sacks tied to the saddle.