《三国志·魏书·张乐于张徐传》
徐晃说： 曹公的部队在这里，而敌军不另外派兵守住蒲阪，可见他们没有智谋。
晃曰： 公盛兵於此，而贼不复别守蒲阪，知其无谋也。
Xu Huang said: "Cao's troops are stationed here but the enemy has not sent troops to guard Puban, so they must be very witless.