《战国策·韩一·张仪为秦连横说韩王》
如今大王可到西方归服秦国，为敝国攻打楚国，秦王一定很高兴。
今王西面而事秦以攻楚，为敝邑，秦王必喜。
Now, your grace can travel westward to submit yourself to the State of Qin, and fight against the State of Chu for our country, the King of Qin will be very pleased.