《资治通鉴·晋纪·晋纪三》
博士庾、太叔广、刘暾、缪蔚、郭颐、秦秀、傅珍上表说： 从前，周选择树立有完美德行的人辅佐协助朝廷，周公、康叔、聃秀都被选入朝廷任三公之职，这就显示出辅佐君王的责任重大，掌管地方的地位轻一些。
博士庾旉、太叔广、刘暾、缪蔚、郭颐、秦秀、傅珍上表曰： 昔周选建德以左右王室，周公、康叔、聃季，皆入为三公，明股肱之任重，守地之位轻也。
Doctors Yu, Taishu Guang, Liu Dun, Miao Wei, Guo Yi, Qin Xiu, and Fu Zhen submitted that: In the past, the Zhou chose and established people with perfect virtue to assist the court, and Duke Zhou, Duke Kang, and Dan Xiu were all selected for the positions of the Three Dukes in the court. This shows that the responsibility of assisting the monarch is of great significance, while the position of in charge of the locality is of less significance.