《孔子家语·辩物》
三天后，鲁国使者来，一问，果然是桓公和僖公的宗庙遭了灾。
三日，鲁使至。问焉，则桓、僖也。
Three days later, the envoy of Lu came. He asked about it and found that it was indeed the ancestral temples of Duke Huan and Duke Xi that had suffered the calamity.