《资治通鉴·唐纪·唐纪三十九》
仆固怀恩表示赞同。但是，仆固怀恩的副将范志诚认为这样不行，劝说道： 如果你相信他的甜言蜜语，入朝如同来一样，就不可能再回来了！ 
副将范志诚以为不可，曰： 公信其甘言，入则为来瑱，不复还矣！ 
Pu Gu Huai'En agreed. However, Pu Gu Huai'En's deputy general Fan Zhisheng regarded it as a bad idea, and advised, "If you trust his sweet talk and visit the Emperor in the court, you won't be able to come back!"