《韩非子·难势》
等待越国的游泳能手来救中原地区落水的人，越人固然善于游泳，但落水的人并不能得救。
夫待越人之善海游者以救中国之溺人，越人善游矣，而溺者不济矣。
It’s impossible to wait for the skilled swimmers from the state of Yue to save the drowning persons in the central plains. Although the people of Yue are good at swimming, the drowning people could not be saved.