《旧唐书·本纪·卷二十》
况且从懿宗以后，爱宠幸的小人败乱朝政，灾祸起自于内廷，政事逐渐失去了规矩。
况自懿祖之后，嬖幸乱朝，祸起有阶，政渐无象。
Moreover, after Emperor Yizong, the villains he favored corrupted the imperial court, and disasters originated in the inner court, and the government gradually lost its rules.