Shi: A talented person. Confidant: refers to a person who understands and appreciates himself. Talented people are willing to sacrifice their lives for those who appreciate them.

"Warring States Policy·Zhao Ceyi": "A scholar dies for a confidant, and a woman looks like someone who pleases her, so I will repay her with the knowledge of her family." A scholar dies for a confidant, which is one of the four great sayings of the Spring and Autumn Period. Yurang, one of the assassins.

Yurang was a retainer of the Zhi family in the Spring and Autumn Period. In 453 BC, the Zhao family of Jin State, together with the Han family and the Wei family, defeated the Zhi family in Jinyang. Zhi Boyao, the leader of the Zhi family, was killed and his head was It was made into a wine vessel by Zhao Xiangzi.

In order to repay Zhi Boyao for his kindness, Yu Rang went to the toilet on a bridge, swallowed charcoal and lacquered himself, and assassinated Zhao Xiangzi many times. Finally, he committed suicide and died, leaving the following message: "A scholar dies for a confidant, a woman To please those who please themselves, the eternal song. A scholar who dies for a confidant means that he is willing to devote himself to those who appreciate and cultivate him. A scholar who dies for a confidant means that he is willing to devote himself to those who appreciate and cultivate him. Cimu Shi cites and explains the confidant: a person who understands himself and trusts himself. Refers to the willingness to devote oneself to those who appreciate and cultivate oneself.