《太平广记·卷四百五十四·狐八》
尹瑗因而对他说： 你说话善于机辩，道理深奥，应当到郡国去游说，做公侯家的贵客，为什么自甘沉没消极，寄身于山野树丛之中呢？ 
瑗深爱之，瑗因谓曰： 吾子机辩玄奥，可以从郡国之游，为公侯高客，何乃自取沈滞，隐迹丛莽？ 
Yin Yuan therefore said to him: You are skilled in debate and speak profound principles, you should travel around the counties and states to lobby and become the honored guest of dukes and marquis, why are you resigned to sinking and passivity, living among mountains and trees?