《淮南子·道应训》
薄疑拿着王道之术游说卫嗣君，卫嗣君对他说： 我所拥有的只是一个千乘小国，希望先生能拿治理小国的方法指导我。 
薄疑说卫嗣君以王术。嗣君应之曰： 予所有者，千乘也。
Bo Yi used the art of king to persuade Wei Si Jun, and Wei Si Jun said to him: What I have is only a small country of a thousand chariots, and I hope the sir can guide me with the way to govern the small country.