《史记·十二本纪·周本纪》
于是去对梁王说： 周王如果因担忧秦伐周而去世，那么我也必死无疑了。
乃谓梁王曰： 周王病若死，则犯必死矣。
So he went to tell the King of Liang, "If the King of Zhou died because of his worries about Qin attacking Zhou, then I would surely die."