《后汉书·本纪·光武帝纪下》
第二年，方士夏贺良上书哀帝说汉家的国运中途衰落，应当重新受命。
明年，方士有夏贺良者，上言哀帝，云汉家历运中衰，当再受命。
The following year, the alchemist Xia Heliang submitted a memorial to Emperor Ai, saying that the Han dynasty was in a state of decline and a new mandate should be received.