Lu Xun was a ideologist and cultured person who valued individual freedom and social justice. He had a different view on the concept of impermanence. In the article "Impermanence", Lu Xun described a kind of "impermanence" in human nature. He believed that this was a phenomenon that lacked moral constraints and a sense of responsibility, which easily led to various social problems and tragedies. He believed that people should respect morality and law to establish a stable, just, and sustainable social order in order to avoid unpredictable behavior and consequences. Lu Xun also emphasized the importance of individual freedom, believing that everyone in society should have the freedom and responsibility to decide their own actions and lives. Only in this way could society be full of vitality and creativity, and achieve true prosperity and progress. To sum up, Lu Xun's evaluation of the concept of impermanence stemmed from his deep understanding of various problems in society and his firm support for individual freedom and responsibility. He emphasized the negative impact of unpredictable behavior and consequences on individuals and society, and called on people to respect morality and law and establish a stable, just and sustainable social order to achieve true freedom and prosperity.