《明史·志·卷六十九》
正统年间，侍讲刘球进言： 交纳钱财赎罪不是古制，除公罪允许赎罪外，宜全部依法律判罪。 
正统间，侍讲刘球言： 输罪非古，自公罪许赎外，宜悉依律。 
During the Zhengtong era, imperial lecturer Liu Qiu suggested: Paying money to atone for crimes is not an ancient system. In addition to allowing payment for public crimes, all crimes should be sentenced according to the law.