《隋书·列传·卷二十七》
周宣帝继位后，为政昏庸暴虐。京兆郡丞乐运于是运来棺木，决心一死，到朝廷上，陈述宣帝的八大过失，言辞很恳切。
宣帝嗣位，为政昏暴，京兆郡丞乐运乃舆榇诣朝堂，陈帝八失，言甚切至。
After Emperor Xuan of Zhou acceded to the throne, he became corrupted and tyrannical. Yue Yun, the Sheriff of Jingzhao County, brought a coffin with the intention of giving his life, arriving at the court and stating in detail Emperor Xuan’s eight errors, his words were very passionate.