《国语·鲁语·臧文仲说僖公请免卫成》
臧文仲推辞说： 别国臣子的话不越境，不敢和你有交往。 
辞曰： 外臣之言不越境，不敢及君。 
Zang Wenzhong declined, saying: "The words of the ministers of other countries should not cross borders, and I dare not associate with you."