《北史·本记·卷一》
而灾害和变故屡屡发生，道武帝忧烦不安，有时几天不吃饭，有时通宵达旦不睡，归罪于下面的人，喜怒异于寻常。
而灾变屡见，忧懑不安，或数日不食，或不寝达旦，归咎群下，喜怒乖常。
However, disasters and accidents happened frequently, and Emperor Daowu was deeply troubled, sometimes not eating for several days, or staying up all night, and blaming his inferiors, his likes and dislikes differing greatly from ordinary times.