《梁书·列传·卷十九》
当时辅国将军杨公则任湘州刺史，他统率队伍赶赴夏口，西部国家商议管理州事的人，型坦对他们说： 迩业境内的民情，是易被骚扰难得信任。
时辅国将军杨公则为湘州刺史，帅师赴夏口，西朝议行州事者，坦谓众曰： 湘境人情，易扰难信。
At the time, Yang Gongze, the辅国 general, served as the governor of Xiangzhou. He led the army to Xiaokou to discuss who should manage the state affairs with the country in the west. Liu Tan said to them: "The people in the Er Ye territory are easily disturbed and difficult to trust."