《汉书·志·天文志》
水旱的情况发生在其分野之国所对应的地区，等到五星变异出现，以上情况必然有效应。
水旱至冲而应，及五星之变，必然之效也。
The situation of drought and flood occurs in the corresponding areas of its divided territories, and when the five stars change, the above situation will inevitably have an effect.