《北史·本记·卷九》
您既然受了这样的重托，又身居首辅重任，同时将女儿入宫为皇后，却不能训导教诲，使之有所成就，造成被废黜，辜负了文皇帝当时托付的本意，这个过错不由安定公而该由谁承担呢？ 
公既受兹重寄，居元辅之任，又纳女为皇后；遂不能训诲有成，致令废黜，负文皇帝付属之意，此咎非安定公而谁？ 
Since you have received such a heavy task, and you are also the chief minister, and at the same time your daughter has entered the palace as the empress, but you have not been able to teach and educate him, so that he has achieved something, causing him to be deposed, which has辜负ed the original intention of Emperor Wen's entrustment at that time. This fault cannot be borne by Duke Dingguo, but by whom?