《旧唐书·列传·卷一百零九》
十四年，诛李师道，皇上当面对宰臣们说： 李师古虽从承袭其祖、父爵位入仕，然而朝廷待他始终不错。
十四年，诛李师道，上顾谓宰臣曰： 李师古虽自袭祖父，然朝廷待之始终。
In the fourteenth year, after executing Li Shidao, the emperor said to his ministers and chancellors, "Even though Li Shigu entered official service by inheriting his father's and grandfather's positions, the imperial court has always treated him well."