Explanation: 【Source】 "Jing Deng Yi Lu": "Monk asked Shaozong: 'How is the West had come for?' Shao Zong said: 'good things do not go out, evil traveling thousands of miles.'" Explained】 【that good is not easy to know, bad but spreads fast. 【Example】 less than half the ancient :"~。" between the neighbors all know the neighborhood. ("Jin Ping Mei," the fourth back)】 【story