——《春秋繁露·仁义法》

格言大意：所谓道义的法则，在于端正自己，而不在端正别人。

Main Idea: The rule of so-called morality is not to correct others but to correct oneself.

诸葛亮自贬三级(Zhuge Liang demoting himself three ranks lower)
三国时期，诸葛亮北伐，名马谡为先锋，派他征收军事重地街亭。马谡虽是诸葛亮的爱将，但为了严肃军法，他不得不挥泪斩马谡。诸葛亮上书后主，渴求将自己降职三级，以示处罚。

In the Three Kingdoms Period, huge Liang began a war to the north. He made Ma Su the pioneer and sent him to defend an important strategic place called Jieting.Ma Su refused to listen to others and insisted on pitching camps on the hill. As a result, Jieting was lost.Although Ma Su was one of Zhuge Liang’s best generals, he had to kill Ma Su with tears in his eyes in order to keep discipline in he army.Zhuge Liang wrote to the emperor requesting to demote himself three ranks as a punishment.