好事不出门，恶事行千里

Explanation: That good is not easy to know that something bad has spread too fast. 　　Source: Song of the original Buddhism and Taoism, "Jing Deng Yi Lu" Monk asked Shaozong 'How the West had come for? 'Shao Zong said,' good to go out, evil traveling thousands of miles. '" 　　Examples: Less than half the ancient :"~。" between the neighbors all know the neighborhood. (Minglan Ling Xiao Xiao Sheng, "Jin Ping Mei" fourth round)