《汉书·传·王莽传下》
等到他登上高位，辅佐朝政，在成帝、哀帝的时期，为国家辛勤治政，本着正直的原则行事，一举一动常常被人们称道。
及其居位辅政，成、哀之际，勤劳国家，直道而行，动见称述。
When he reached a high position and assisted in the court, during the reign of emperors Cheng and Ai, he worked hard for the nation. By acting according to moral principles, each and every move was frequently commended by people.