《资治通鉴·汉纪·汉纪五十二》
于是进入徐无山中，在深险之处找到一块平地，建立营寨居住。他亲自进行耕作，以奉养父母。百姓前来投奔，数年间增加到五千余家。
遂入徐无山中，营深险平敞地而居，躬耕以养父母，百姓归之，数年间至五千馀家。
He then entered Mount Xuwu, found a cleared space in one of the deepest and most dangerous parts of the mountain, and set up camp to live in. He personally worked on the land in order to support his parents. People came from all over to join him, and within a few years, over five thousand households had gathered there.