《论衡·卷六·祸虚篇》
如果伯牛因为过错而招致生病，天以疾病报应就应该跟子夏一样，孔子应该陈述他的过错，像曾子说子夏的罪状一样。
如伯牛以过致疾，天报以恶与子夏同，孔子宜陈其过，若曾子谓子夏之状。
If Bo Niu had gotten sick because of a fault, and Heaven was punishing him with this disease, then Confucius should have stated his fault, just like Zengzi stated Zixia's crimes.