《宋史·列传·卷二百一十六》
自说曾经遇见孙君仿、鮪皮处士二人，他们道行高尚，对陈抟说 ：武当山九室岩可以隐居。 陈抟就前往栖居在那里。
自言尝遇孙君仿、獐皮处士二人者，高尚之人也，语抟曰： 武当山九室岩可以隐居。 抟往栖焉。
He said that he had met Sun Junfang and Wei Piju, two scholars, and they said to Chen Tuan: "Jiushiyan in Wudang Mountain can be used as a place of seclusion." Chen Tuan went there to live.