In the vast universe, there are countless planets, countless magic, countless mysteries.
This is the universe that human beings have been unable to penetrate up to now. The world is so simple that the universe can cover everything. The world is too complicated. A cell as small as a human body has a complete set of self-processes.
In the long run, the universe is mysterious.
From the human body, the human body is the universe, and the cells are countless planets.
From the point of view of the earth, comparing human body to the earth, cells are human beings on the earth. These cells do their job, becoming factories, cities,...