The complete sentence of "Fighting against the sky and fighting against the dead is endless joy." The complete sentence is "Fighting against the sky is endless joy; fighting against the earth is endless joy; fighting against people is endless joy." This sentence comes from "Struggle to Encourage Oneself" in 1917. It expresses the author's unyielding and optimistic revolutionary spirit in the face of difficulties.

"Struggle with heaven, the joy is endless! Struggle with the earth, the joy is endless! Struggle with people, the joy is endless!" Zheng No. 1 is the concrete embodiment of this philosophical thought. Struggle with nature, struggle with earth, and struggle with people. Only when we can follow the objective laws of nature and move forward together as one with nature and man can we realize the true meaning of struggle. and endless joy. There seems to be a kind of meaning of obeying nature and people, respecting the laws of nature, but it is definitely not like the tampered perverted thought of going against heaven, going against earth, and going against people, and having endless fun.

Couplet analysis:

The first couplet is a famous quote by a great man, which is difficult to correct, while the lower couplet is easy to correct.

"Fight against Heaven" versus "Relieve Family Worries": The structure of the words is in contrast. "Fight" and "Worry" have different word types, which are common and different.

"fighting with the earth" versus "relieving people's worries": the word structure is a clear contrast, and "fight" and "worry" have different word types and are consistent in oblique and oblique terms.

"Fight with others" versus "solve national worries": the structure of the words is in contrast. "Fight" and "worry" have different word types, which are different from each other.

“This person is responsible”: People who care about the country and the people are responsible.