? "People are inherently mortal, or heavier than Mount Tai or lighter than a feather" comes from Sima Qian's "Report to Ren Shaoqing", in which historical records are written. Original text: "People are inherently mortal, or they are heavier than Mount Tai or lighter than a feather, so they are used differently. Don't insult the body first, then insult the color, then insult the language, and then insult the body; Secondly, it is easy to take clothes and be humiliated, and secondly, it is closed with wooden ropes and humiliated by Chu. Followed by plucking, the baby's gold and iron are humiliated, followed by skin damage and humiliation of limbs. The most corrupt punishment is extremely embarrassing. "

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

? Letter to Ren An is Sima Qian's reply to his good friend Ren An. In the article, Sima Qian expressed his misfortune 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", which showed his indomitable fighting spirit of being willing to be humiliated in order to realize his precious ideal. Sincere feelings, fluent language and strong artistic appeal. It is of great value to understand the author's life and thoughts.