《史记·七十列传·春申君列传》
但太子与秦国相国应侯私人关系很好，于是黄歇就劝说应侯道： 相国您确实对楚国的太子很好吗？ 
而楚太子与秦相应侯善，於是黄歇乃说应侯曰： 相国诚善楚太子乎？ 
The Crown Prince is close with the Prime Minister of Qin. So Huang Xie tried to persuade the Prime Minister by saying: Sir Prime Minister, would you say that you treat the Crown Prince of Chu well? 