《汉书·传·楚元王传》
弘恭移书称病离官，后来又任职，天阴下雪，由此来说，地震大概是因为弘恭等。
恭移病出，后复视事，天阴雨雪。由是言之，地动殆为恭等。
Honggong sent a letter alleging illness to leave work, and was later reinstated. Since it was overcast and snowing, it is probable that the earthquake was caused by Honggong and his ilk.