《汉书·传·元后传》
谏大夫杨宣密奏上书说： 孝成皇帝考虑到国家的大计，称赞陛下的高尚道德而让陛下继承皇位，先帝谋略深远，恩德极厚。
谏大夫杨宣上封事言： 孝成皇帝深惟宗庙之重，称述陛下至德以承天序，圣策深远，恩德至厚。
The Imperial Censor Yang Xuan secretly submitted a memorial saying: Emperor Xiao Cheng considered the country's long-term plan, praised your Majesty's noble morality and let your Majesty inherit the throne. The previous emperor's strategy was far-reaching, and his grace is extremely great.