《史记·七十列传·张仪列传》
就派勇士到宋国，借了宋国的符节，到北方的齐国辱骂齐王，齐王愤怒，斩断符节而委屈地和秦国结交。
乃使勇士至宋，借宋之符，北骂齐王。齐王大怒，折节而下秦。
And he sent a warrior to Song, borrowed Song's tally, and went north to Qi to insult King Qi. King Qi, furious, cut off the tally and allied with Qin in resentment.