Meaning: People always die, but the meaning of death is different, and some of them are heavier than Mount Tai (dying for the people); Some are lighter than Hongyan's hair (die for those who exploit and oppress the people).

the original text is from Sima Qian's Book of Records of the Historian Reporting Ren Shaoqing in the Western Han Dynasty. People are inherently mortal, either heavier than Mount Tai or lighter than a feather, and they use it differently. This is my career and position, which makes people think so. People have to die, but some people die heavier than Mount Tai, while others are lighter than a feather. This is because what they pursue for survival is different!

"People are inherently mortal, either heavier than Mount Tai or lighter than a feather". It was Mao Zedong who praised Zhang Side for serving the people with this sentence in his book "Serving the People", and his death was heavier than Mount Tai, thus educating party member cadres and soldiers to learn the spirit of serving the people from Zhang Side.

The Letter to Ren An is a reply from Sima Qian to his friend Ren An. In the article, Sima Qian expressed his unfortunate experience with great anger, expressed his infinite inner pain, boldly exposed the moody and headstrong character of Emperor Wu of the Han Dynasty, and put forward the view of life and death that "man is inherently mortal, or heavier than Mount Tai or lighter than a feather", and showed his indomitable fighting spirit of being willing to be humiliated in order to realize his precious ideals. Sincere feelings, fluent language and strong artistic appeal. It is of great value to understand the author's life and thoughts.

Sima Qian saw from his father's words how important it was for Guangzong Yaozu to attend the ceremony of closing Mount Tai. Sima Qian didn't live up to his father's wishes. Even after he was imprisoned, he was determined to finish his father's unfinished business with humiliation.

In his Letter to Ren An, a good friend, he expressed his painful feelings after being punished, and mentioned his intention and determination to write Historical Records. In this famous letter, Sima Qian integrated Mount Tai into the eternal famous sentence: "People are inherently mortal, or heavier than Mount Tai or lighter than a feather." It can be seen that in Sima Qian's mind, Mount Tai is a symbol of solemnity, majesty and grandeur.