《资治通鉴·晋纪·晋纪二十四》
王猛大怒，要把他杀掉。邓羌向王猛请求说： 如今敌众我寡，明天一早将要开战。徐成是大将，应该姑且宽恕他。 
邓羌请之曰： 今贼众我寡，诘朝将战；成，大将也，宜且宥之。 
Wang Meng was furious and wanted to kill him. Deng Qiang pleaded with Wang Meng, saying: "Now the enemy outnumbers us, and we will be fighting tomorrow morning. Xu Cheng is a great general, and we should forgive him for the time being.