《资治通鉴·晋纪·晋纪三十六》
这样做，从眼前的利益来考虑，好像是要受到些损失，但是时间一久，才能看出好处来，也只有这样，在前人的面前，我才可说是无愧的。 十二月，后燕王慕容熙进攻契丹。
计近则如不足，经远乃为有馀，庶亦无愧前人也。 十二月，燕王熙袭契丹。
Considered in terms of immediate benefits, taking such action would seem to involve some losses, but after a long time, its advantages will become apparent, and only thus can I say before the men of former times that my conduct has been blameless. In the twelfth month, the Later Yan emperor Murong Xi attacked the Qidan.