《资治通鉴·晋纪·晋纪三十一》
正好此时有慕容德的一道奏章送到，说服后燕国主慕容宝回到南边，慕容宝大量遴选、征集士卒和兵马，准备重新夺取中原。
会德表至，劝燕主宝南还，宝于是大简士马，将复取中原。
Right at this time a memorial was delivered from Murong De, persuading the Later Yan ruler Murong Bao to return to the south, where he recruited and conscripted numerous soldiers and horses, preparing to retake the Central Plains.