宋朝监察御史程颢在泽州晋城县时，遇到一件案子。有个姓张的富家子弟死了父亲。时过不久的一天清晨，就有一个老者到了张家门前，对这个姓张子弟说：“‘我是你的生父．现在得与你一块过日子。”接着，老者头头是道地讲述事情经过。张氏子弟听了，非常惊讶、疑惑，一时捉摸不 During the Song Dynasty monitoring imperial Shih-Ch’ung in Jincheng County, Zezhou, a case was encountered. A wealthy family name Zhang died of his father. One day earlier in the morning, an old man came to Zhang’s home and said to his surnamed Zhang, “I am your biological father, and now I have to live with you.” Then, the old man went on to tell the truth. Zhang’s children listened, very surprised, puzzled, sometimes not to be eclipsed