《资治通鉴·唐纪·唐纪三十九》
药葛罗说道： 我上了仆固怀恩的当，辜负您实在太深，如今请让我为您尽力，攻击吐蕃以谢罪。
药葛罗曰： 吾为怀恩所误，负公诚深，今请为公尽力，击吐蕃以谢过。
Yaogeluo said, “I was deceived by Buguhuaien, and I have wronged you deeply. Now please allow me to make amends by attacking the Tubo.”