《后汉书·本纪·光武帝纪上》
又有昌城人刘植、宋子人耿纯带领宗亲子弟，占领了所在县城，奉献给光武，于是往北攻下曲阳，部众渐渐地集聚起来，乐意依附光武的达到数万人。
又昌城人刘植，宋子人耿纯，各率宗亲子弟，据其县邑，以奉光武。于是北降下曲阳，众稍合，乐附者至有数万人。
Again, Liu Zhi, a man from Changcheng, and Geng Chun, a man from Songzi, led their clansmen and sons to occupy their county seat, surrendering it to Guangwu. They then pushed north to capture Quyang, and gradually their forces gathered, with tens of thousands of men willing to follow Guangwu.