A boy went to a shop and bought a pencil and other things. When he was going to pay the bill, he took out his wallet and found he had not enough money to pay. He felt awkward. At that moment, an old man who was in charge of the shop smiled and said to the boy that he could give the rest of the money next time. The boy was so shocked, as the old man trusted him so much. When the boy went home, he remembered it all the time. So the next morning, when he passed the shop, he gave the money withou...