《资治通鉴·晋纪·晋纪十四》
王敦开始起兵时，派使者告诉梁州刺史甘卓，与他相约共同顺长江向下游进发，甘卓同意了。
敦初起兵，遣使告梁州刺史甘卓，约与之俱下，卓许之。
When Wang Dun first raised an army, he sent an emissary to tell Gan Zhuo, the governor of Liang Prefecture, that they had an appointment to go downstream along the Yangtze River together. Gan Zhuo agreed.