班固的《汉书·霍光传》里有一个故事:有一天,有位客人去拜访一家的主人,他看见主人家灶上的烟囱是直的,灶旁又堆着许多柴火,便劝主人把烟囱改弯,把柴火都挪远些。主人听了,没有搭腔。过了不久,这家果然失火,邻居们都来救火,幸好最终把火扑灭了。为了答谢乡邻,于是主人家大摆 There is a story in Bangu’s “Han Huo Guangguang”: one day a guest visited one of his masters and saw that the chimney on his master’s stove was straight. There was also a large pile of firewood next to the stove, urging the owner to Turn the chimney bend, move the firewood are far more. The master listened, did not take the floor. Soon after, it was really a fire, neighbors came to the fire, but fortunately eventually extinguished the fire. In order to thank the neighbors, so the host family swing