《资治通鉴·晋纪·晋纪十九》
征虏长史王述给庾冰写信说： 乐乡距离武昌有千里之遥，数万士众，一旦真的移徙，又要修筑城郭，对公家、对私人都是烦劳困扰。
征虏长史王述与庾冰笺曰： 乐乡去武昌千有馀里，数万之众，一旦移徙，兴立城壁，公私劳扰。
The Chief of Jeneral Zenglu, Wang Shu, wrote to Yu Bing: “There is a distance of ten thousand li from Lexing to Wuchang, and for so many troops to migrate, if they really were to migrate, the building of the outer walls of the city would be too much trouble for both public and private matters. 