《左传·成公·成公十五年》
和吴国在钟离会见，这是开始和吴国友好往来。许灵公害怕郑国逼迫，请求迁到楚国。
许灵公畏偪于郑，请迁于楚。
They met at Zhongli with the State of Wu; this was the beginning of friendly relations with the State of Wu. Xu Linggong was afraid of being forced by the State of Zheng, so he asked to move to the State of Chu.