《资治通鉴·唐纪·唐纪五十四》
田怀谏由众多的将领中起来代替主帅，相邻各道所憎恶的，没有比这一点更为严重的了。
彼自列将起代主帅，邻道所恶，莫甚于此。
Tian Huaijian succeeded the commander-in-chief from among many other generals. There is nothing more hateful to the neighboring circuits than this.