1. As everything is the unity of pureness and impureness, both have their value as well as significance, and they can transform into each other under certain conditions.
2. How to understand and handle the relationship between pureness and impureness correctly is a philosophical, practical and ideological issue that has universal significance and deserves concern.
3. How to understand and handle the relationship between pureness and impureness correctly is a philosophical, practical and ideological issue that has universal significance and deserves concern.