? ? What is the hardest thing to change in the world?

? ?It is the continuous light emitted by the sun, moon, and stars. From ancient times to the present, people can see the light of the sun, moon, and stars as long as they look up. These three rays of light continuously and steadily illuminate the world. This is the world's largest pattern and the largest pattern in nature.

? What can graphics tell us? Can tell us information, each graphic represents a different meaning. Naturally, the largest and most unchangeable graphics also convey information to us. Astronomers' observations of the universe guide our lives. In ancient China, astronomers observed the movement of the sun, moon, and stars to create a calendar. Guide the agriculture of ancient Chinese people.

? ?Nature's biggest graphics affect our lives. This is the Chinese character "show". The word is a "two" on it, which symbolizes the sky. The long horizontal represents the ground on which we stand. A short horizontal represents an identity. Above the ground is the sky. The following three straight lines represent three kinds of light, daylight, moonlight, starlight.

? ?So the meaning of the Chinese character "示" is: "indicates" "notice".