《宋书·志·卷二十三》
一说： 彗星在斗宿出现，预示着王者有疾病，臣诛杀其父，王位更替，大乱有战争 立压元年四月，客星出现于紫宫。
一曰： 孛于斗，王者疾病，臣诛其父，天下易政，大乱兵起。 太熙元年四月，客星在紫宫。
Another saying: The comet appears in the Dipper constellation, indicating that the king will be ill, the minister will kill his father, the throne will change, and there will be great chaos and war. In April of the first year of Lixia, a guest star appeared in the Zi Palace.