《左传·襄公·襄公二十四年》
二月，郑简公去到晋国，子产托子西带信给范宣子，说： 您治理晋国，四邻的诸侯不听说有美德，而听说要很重的贡品，侨对这种情况感到迷惑。
二月，郑伯如晋。子产寓书于子西以告宣子，曰： 子为晋国，四邻诸侯，不闻令德，而闻重币，侨也惑之。
In February, Zheng Jian went to the Jin state. Zichan asked Zixi to send a message to Fan Xuanzi, saying: You govern the Jin state, and the neighboring vassal states do not hear of any virtue, but they do hear of having to pay heavy tributes. I am confused about this situation.