《汉书·传·元后传》
自从王凤建议罢免王商后来又遣定陶王回封国，成帝心裹愤慨不满。
自凤之白罢商后遣定陶王也，上不能平。
After Wang Feng recommended the dismissal of Wang Shang, he sent Prince Dingtao to his fiefdom, which made Emperor Cheng resent him even more.