苏轼被关押在监狱时,有个狱吏对他态度十分恶劣,故意让他吃了很多苦。七年后,苏轼回朝廷任职,偶然和这位狱吏相遇。狱吏害怕会遭到报复,吓得浑身发抖。苏轼却客气地和他搭话,还给他讲了一个故事。苏轼说,有一条蛇吓死了人,阎王派鬼卒把它的魂勾去,宣判死刑。蛇哭诉说:“我有罪,但也有功。”判官疑惑地问:“你吓死了人,何功之有?”蛇说:“我肚子里有蛇黄,它是治病良药,救 Su Shi was held in prison, a martyr was very bad attitude to him, deliberately let him eat a lot of pain. Seven years later, Su Shih returned to the court and met the jailer occasionally. Prisoner afraid of being retaliated, scared trembling. Su Shi politely spoke to him and told him a story. Su Shi said that there was a snake who scared the dead. Hades sent their souls to death and sentenced them to death. Snake crying: ”I am guilty, but also meritorious.“ The judge asked puzzled: ”You scared to death, where is there?“ ”Snake said:" I have snake yellow belly, it is the rule Ill medicine, save