When the Qin army besieged Handan, Lord Pingyuan took Mao Sui with him to Chu to ask for help.
Tips
history
His name was 赵胜, and he took his title from his fief at 平原. When Qin besieged the Zhao capital 邯郸, his little-known retainer 毛遂 put himself forward to go with him to Chu and won the alliance with a sword in his hand, giving the idioms 毛遂自荐 and 脱颖而出.
culture
司马迁 called him a graceful young lord of a muddy age, but blamed his greed for the land of 上党 for drawing Zhao into its disaster at 长平, quoting the saying 利令智昏, 'profit dims the wits'.