《汉书·纪·哀帝纪》
待诏夏贺良等作汉高祖为赤帝之精的谶言，说汉家历运中衰，应再受天命，要改元易号。
待诏夏贺良等言赤精子之谶，汉家历运中衰，当再受命，宜改元、易号。
Xia Heling and others who wait for the imperial edict wrote the omen that Emperor Gaozu of Han was the incarnation of Chi Di (赤帝), saying that the Han regime was declining and should receive the mandate of heaven again and change the reign title and name.