《国语·楚语·蔡声子论楚材晋用》
诸侯随从来的，背叛的有半数以上，连子玉的同族若敖氏都不想打了，楚军一定要失败，为什么要撤退呢！ 
诸侯之从者，叛者半矣，若敖氏离矣，楚师必败，何故去之！ 
More than half of the princes who came to follow him betrayed him, and even Ziyue's fellow clansmen, the Rao clan, didn't want to fight anymore. The Chu army was bound to fail, so why did they retreat!