What do you mean by observing astronomy, observing time changes and observing geography into the world?

Observe the law of the operation of heaven and earth and understand the changes of seasons; Pay attention to ethics and morality, and popularize the world through education.

This sentence comes from the original hexagram of Zhouyi.

Original: rigid and soft intertwined, astronomy also; When civilization stops, so does human nature. Observe astronomy, observe the change of time, observe human nature and turn it into the world.

In the first half of the sentence, "observing astronomy to observe time changes" refers to mastering and understanding the changing law of natural phenomena through observation and analysis.

The second half says that to educate the people, we must first observe and study the civilized etiquette created by human society, understand and master its laws, and then formulate correct measures and methods to realize the goal of educating the world.

Source:

The Book of Changes is one of the traditional classics, which is said to have been written by Zhou Wenwang Jichang. Its contents include classics and biographies. Classics are mainly composed of 64 hexagrams and 384 hexagrams, each of which has its own interpretation (hexagrams) for divination.

This hexagram is the twenty-second of the sixty-four hexagrams in the Book of Changes. The mountain fire book (this six-pointed star) is decorated with external qualities. It should be understood that all decorations are empty, and only plain faces with substance and connotation are the ultimate of decorations.