《资治通鉴·唐纪·唐纪五十四》
李绛说： 陛下能够容纳直率的进言，所以群臣才敢竭尽诚心，不作隐瞒。
绛曰： 陛下容纳直言，故群臣敢竭诚无隐。
Li Jiang replied: Your Majesty has been able to tolerate outspoken advice, which is why all the ministers have dared to be completely sincere and not conceal anything.