《战国策·韩三·韩人攻宋》
凭齐国的强大，再加上宋国的辅助，楚、魏两国一定惊慌，只要他们一害怕，就一定会到西面来侍奉秦国。
以韩之强，辅之以宋，楚、魏必恐。恐，必西面事秦。
With the strength of Qi and the support of Song, Chu and Wei will undoubtedly be frightened. As long as they are frightened, they will come to the west to serve Qin.