The meaning of "things are not things in things" is introduced in detail as follows:

1. Introduction: "things are things but things are not things in things" is Laozi's "Tao Te Ching" A famous saying. It means that among all things in nature, there are many things that are made of matter, but they themselves are not bound to the material world, but have an extraordinary existential significance and profound philosophical meaning.

2. Scientific significance: "Things are not things but not things" shows the dialectical relationship between the material world and the spiritual world. Material and spiritual are not two distinct realms, but interdependent and interpenetrating. This concept also reflects the relationship between matter and energy in scientific research.

3. Philosophy of life: "Things are things but not things in things" can be understood as transcending material constraints and pursuing the freedom and flight of the soul. In the process of life, we should pursue a meaningful existence that transcends momentary material enjoyment and superficial success.

4. Cultural value: "Things are not things but not things" embodies the core values ??of Taoism. As one of the treasures of traditional Chinese culture, Taoist thought has influenced our culture and lifestyle in many ways. In contemporary times and in the future, we need to inherit and carry forward this value concept and further deepen our understanding and appreciation of it.

5. Art design: Design is a creative act that converts material composition into value. Under the idea of ??"things are not things in things", designers can convey material information while It can better reflect the poetry and emotion of the product, thereby deepening the cultural connotation and contextual charm of the product.

6. Educational significance: Knowledge education is as important as moral education. The core goal of education is to cultivate students' ability to think independently, which is the key to further grasp the idea of ??"things are not things in things". Education should teach students an attitude towards life and let them understand that there are too many things in the material world that cannot be perceived but do exist.

7. Summary: "Things are not things but not things" expresses important thoughts on the meaning of life and demonstrates the philosophical characteristics and aesthetic expression of Chinese Taoist culture. It not only has important guiding significance in daily life, scientific research, cultural creation, etc., but is also thought-provoking wisdom of life and precious wealth of human civilization.