《宋史·列传·卷一百七十三》
听到边境警报后，他秘密上奏说： 恐怕陛下过于担忧和悔恨，这样会损害您的清明的身体，累及您的宏伟志向。 嘉熙三年，郑清之被封为申国公。
及闻边警，密疏： 恐陛下忧悔太过，以汩清明之躬，累刚大之志。 嘉熙三年，封申国公。
When he heard the alert at the border, he secretly reported that: "I am afraid that His Majesty would be excessively worried and regretful, which will damage Your clear body and implicate Your great ambition." In the third year of Jiaxi, Zheng Qingzhi was granted the title of Duke of Shen.