《论衡·卷十五·明雩篇》
造成水灾的阴阳之气干扰唐尧，造成旱灾的阴阳之气干扰成汤。
水气间尧，旱气间汤。
The disturbance of yin and yang qi that caused the flood interfered with Emperor Yao, and the disturbance of yin and yang qi that caused the drought interfered with Emperor Tang.