《北史·列传·卷三十三》
从兖州刺史任上回来后，上表请求解除官职，到嵩山隐居。宣武帝不允许，对他的做法很是奇怪。
衮州之还也，表请解官，隐于嵩山，宣武不许，深以为怪。
After returning from the position of Inspector of Yan Province, he requested a resignation and secluded himself at Mount Song. Emperor Xuanwu did not allow this and was very surprised by his action.