《史记·三十世家·楚世家》
襄王果然又叫来和他详谈，于是他就说： 先王被秦国欺骗，客死在外国，怨恨没有比这再大的了。
襄王因召与语，遂言曰： 夫先王为秦所欺而客死于外，怨莫大焉。
As expected, King Xiang called him again for a detailed discussion, and so he said: The previous king was tricked by Qin and died in a foreign land. There is no greater grievance than this.