《资治通鉴·唐纪·唐纪四十八》
李晟听说此事后，哭泣着对亲近的人说： 我生长在西部边疆，完全熟悉吐蕃的情况，我上奏论说此事的本意，只是不愿意让朝廷遭受吐蕃的侮辱罢了！ 
晟闻之，泣谓所亲曰： 吾生长西陲，备谙虏情，所以论奏，但耻朝廷为犬戎所侮耳！ 
When Li Sheng heard about this, he wept and said to his close associates: "I grew up on the western frontier and am fully aware of the situation in Tubo. My purpose in submitting a memorial to discuss this matter was simply to prevent the court from being humiliated by Tubo!"