《资治通鉴·后唐纪·后唐纪五》
赵凤说： 周玄豹曾经说过陛下当为天子，今天已经验证，没有必要再查询他了。
赵凤曰： 玄豹言陛下当为天子，今已验矣，无所复询。
Zhao Ying said, “Zhou Xuanbao once said that Your Majesty would become emperor, and now that it has come true, there is no need to seek him out.