《资治通鉴·唐纪·唐纪二十一》
武承嗣也向太后诋毁李昭德，太后说： 我任用李昭德，才睡得安稳，他可以为我代劳，你不要说了。 
承嗣亦毁昭德于太后，太后曰： 吾任昭德，始得安眠，此代吾劳，汝勿言也。 
Wu Chengsi also slandered Li Zhaode to the Empress Dowager, who said: I can sleep well with Li Zhaode around to help me with everything, so don't talk about him anymore.