《论衡·卷十·刺孟篇》
照这样说，孔子没有当帝王，颜渊早死，子夏哭瞎了眼，伯牛得麻疯病，都是四人的操行不好吗？
夫子不王，颜渊早夭，子夏失明，伯牛为疠。四者行不顺与？
As such, was it because Confucius did not become emperor, Yan Yan died early, Zi Xia cried blind, Bo Niu contracted leprosy, that the four men's conduct was not good?