《新唐书·列传·卷一百四十五》
皇帝说 ：我派一支队伍率领契丹、兵入辽东，你们国家可以缓和一年。
帝曰： 我以偏兵率契丹、靺鞨入辽东，而国可纾一岁，一策也。
The emperor said: “I will send a group of troops to lead the Khitans into Liaodong, and your country can have a year of peace.”