弘明集 3.6

3.6

或難曰。報應之事誠皆有徵。則周孔之教何不去殺。而少正正刑二叔伏誅耶。

Someone raised an objection: 'If matters of retribution indeed all have proof, then why did the teachings of the Duke of Zhou and Confucius not eliminate killing, but rather Shaocheng [Mao] was executed and the two uncles were put to death?'