《论衡·卷十八·感类篇》
一时间不下雨，君王就心里恐惧而举行雩祭，求天下雨祈请福祐，这是君王为百姓担忧啊。
一时不雨，恐惧雩祭，求有请福，忧念百性也。
It has not rained for a while, the monarch was fearful in his heart and held a Yu Ji, praying for rain and blessing, which was the monarch's worry for the people.