《晋书·志·第二章》
义熙元年八月，天鸣声，在东南方，京房氏《易传》说： 万民劳累，妖兴天鸣。 
义熙元年八月，天鸣，在东南，京房《易传》曰： 万姓劳，厥妖天鸣。 
In the 8th month in year 1 of Yixi, the roaring sound occurred in the sky in the southeast, and Jingfang's <Yi Chuan> says: The common people are exhausted, and the monster rises and the sky roars.