《魏书·帝纪·卷一》
其时昭成帝患病在身，群臣无人可当重任，于是率领国人避难于阴山之北。
帝时不豫，群臣莫可任者，乃率国人避于阴山之北。
At that time, Emperor Zhaocheng was ill. None of the ministers were competent enough to take on important responsibilities, so he led his people to seek refuge in the north of Yinshan.