《黄帝内经·素问·本病论》
发作的大小善恶，可以根据当年司天之气的盛衰及太一游宫的情况去推断。
大小善恶，推本年天数及太一也。
One can deduce if the larger or smaller evil is good or bad, by the flourishing and decaying of the Qi of the year of the Master of Heaven in Quan and the situation of Taiyi Yougong.