《旧唐书·列传·卷四十二》
即使知道这情况，也不为国家考虑，上下相蒙，哪个肯揭露真相呢？
皆因依贵要，互为粉饰，苟得即是，曾无远图，上下相蒙，谁肯言及？
Even if they knew the situation, they do not consider the nation, up and down cover up for each other, who is willing to expose the truth?