《资治通鉴·唐纪·唐纪六十三》
李德裕对武宗说： 现在，凡是议论昭义的官员都说，刘悟曾经立过战功，因此不可匆忙诛讨他的孙子刘稹，应当保全朝廷对他以往的恩典。
李德裕言于上曰： 议者皆云刘悟有功，稹未可亟诛，宜全恩礼。
Li Deyu said to Wuzong: Now, all the officials who discuss Zhaoyi say that Liu Wu once made military merits, so he should not be executed in a hurry. His grandson, Liu Zhen, should preserve the court's previous kindness to him.