《资治通鉴·唐纪·唐纪六十二》
宰相陈夷行性情耿介正直，厌恶杨嗣复的为人，每次宰相在一起商议朝政，二人往往争论不休。
陈夷行性介直，恶杨嗣复为人，每议政事，多相抵斥。
Prime Minister Chen Yixing had a forthright and upright temperament and disliked Yang Sifujian's character. Every time the prime ministers discussed government affairs together, the two often argued.