zengzi's wife was going to the market. Her little son insisted on going with her， making a tearful scene. “Stay at home，” she said to the boy. “When I come back， I will slaughter a pig for you.” When she came back， Zengzi got ready to slaughter the pig. His wife stopped him， saying： “I was just kidding.” “A child is not ...
Thomas Alva Edison was an American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture c...
