《资治通鉴·汉纪·汉纪三十二》
以前的做法是，尚书郎的位置由尚书令史按年资依次递补，刘秀开始用孝廉当尚书郎。
故事：尚书郎以令史久次补之，帝始用孝廉为尚书郎。
Previously, the positions of Shangshu Lang were filled by the Shangshu Ling Shi in order of seniority. Liu Xiu began to appoint filial and incorrupt officials as Shangshu Lang.