《资治通鉴·汉纪·汉纪三十九》
光武皇帝亲身经历过战乱，显示天地间无与伦比的英明，乘匈奴人前来归降的机会，对他们采取了笼络豢养的政策。于是边疆人民获得生机，减除了劳役，至今已经四十余年了。
光武皇帝躬服金革之难，深昭天地之明，故因其来降，羁縻畜养，边民得生，劳役休息，于兹四十馀年矣。
Emperor Guangwu, who had personally experienced the war, displayed unparalleled intelligence between Heaven and Earth, and took the opportunity of the Xiongnu people coming to surrender to adopt a policy of containment and domestication towards them. Therefore, the border people have been revived, and their labor duty has been relieved. This has lasted for more than 40 years. 