东汉初年有位著名的隐士叫严光,字子陵,一名遵,会稽余姚(今浙江余姚)人。曾与光武帝刘秀同学,相交甚欢。刘秀称帝以后,严光改名换姓,隐居不仕。帝思其贤,便到处派人寻访他。后来齐国有人上书,说是有一男子,披着羊皮裘垂钓于泽中。光武帝便派遣使者征召他入朝,经过三次往返才把他请来。光武帝亲自到馆舍去 In the early years of the Eastern Han Dynasty, a well-known hermit called Yan Guang, Zi Zi Ling, a complier, Huiji (now Yuyao, Zhejiang). Have with Emperor Guangwu Liu Xiu, very popular. After Liu Xiu became emperor, Yan Guang renamed his surname, seclusion does not official. Emperor Si Yin, then send people to find him everywhere. Later, someone from Qi State wrote that there was a man in a sheepskin fur fishing in Ze. Emperor Guangwu dispatched him to enlist him and invited him after three round trips. Emperor Wudi personally go to the premises