《资治通鉴·唐纪·唐纪九》
李靖性情深沉忠厚，每次与宰相们议论政事，谦恭拘谨像是说不出话来。
靖性沈厚，每与时宰参议，恂恂似不能言。
Li Jing's temperament was deep and loyal. Every time he discussed state affairs with the prime minister, he was modest and cautious, as if he was unable to speak.