《旧唐书·列传·卷一百零八》
当初，元和八年，武元衡自蜀中归来再辅朝政，此时天像太白犯相星，又经罚星。
初，八年，元衡自蜀再辅政，时太白犯上相，历执法。
Originally, in the eighth year of the Yuanhe period, Wu Yuanheng returned from Shu to serve as prime minister again. At this time, the celestial phenomenon of Taibai was in conflict with the Xiang star, and he then passed through the penalty star.