Inside the room.
Meng Wenhao, Li Tai, and Iron Egg all looked at Li Zexuan with curiosity.
Li Zexuan carefully sorted out the relevant knowledge in his mind, and then slowly said, "Wenhao, Qingque, Iron Egg, if I want to explain to you why this compass can point to the direction, then I have to start from the ground we are standing on. I don't know if you have heard of the Square Sky and Round Earth in Zeng Zi. "
In terms of knowledge, Li Tai was the most knowledgeable. It couldn't be helped, who asked the Li family to have so many books!
"Tai has seen this before. Sir, are you trying to say that the earth is square?"
Li Tai frowned and asked.
"No!"
Li Zexuan shook his head and said, "In fact, the people of later generations thought that the Square Sky and Round Earth meant that the sky was round and the earth was square. That was a big mistake. The origin of the Square Sky and Round Earth came from the evolution of the Xiantian Eight Trigrams. It was the Diagram of the Square Sky and Round Earth. The hexagrams surrounding it represented the laws of the sky, and the square hexagrams in the middle represented the laws of the earth.
The sky was the master, the earth was the second. The sky was Yang, and the earth was Yin. The two of them resonated with each other, giving birth to all things in the world. Man happened to be made of the essence of the world, so he was regarded as the spirit of all things in the world. He could sense all things in the world, and was the most spiritual. Taoism believed that the Square Sky meant that one's mind must be harmonious in order to be clear; the Square Sky meant that one must be strict and orderly in life. The Square Sky and Round Earth was misunderstood by many people from the beginning! "
In fact, the concept of a square sky and a square earth was essentially an interpretation of the creation and operation of heaven and earth in the Yin and Yang system of the Book of Changes. The Book of Changes was the head of all scriptures and the origin of Chinese learning. Its ideological system believed that everything evolved according to Yin, Yang, and the five elements. Therefore, there was an ideological system of Yin, Yang, and the five elements in every ancient subject.
For example, "Lu Ban Jing" for architecture, "Inner Canon of the Yellow Emperor" for life, "Spring and Autumn Flourishing Dew" for governing the country, "The Art of War" for military deployment, "Green Capsule Sutra" for geomancy, "Heavenly Marrow Drop" for personal fate, "The Great Unity of Human Relations" for observing people's faces, and so on. Almost every aspect that could be thought of had the thought system of Yin and Yang in the "Book of Changes". This was also the reason why the Book of Changes was regarded as the best of all scriptures.
In fact, Li Zexuan had seen these things on a certain forum when he was bored in his previous life. As the last disciple of Spiritual Master Ling Xu, he had transmigrated for so long and finally had the opportunity to preach Taoist culture (and talk nonsense while he was at it). It was really not easy!
After listening to Li Zexuan's philosophical words, the other three people in the room couldn't help but fall into deep thought.
"Then, Sir, what is the shape of the land we are on?"
At this moment, a crisp voice came from the door. It was Little Fishy.
"Ah! Little Fishy, have you finished looking at the editorial department? How was it? How did it feel? "
Li Zexuan asked with a smile.
"Oh, the atmosphere there is very good, but there are all knowledgeable people. Sir, Little Fishy feels that I am not qualified for this job!"
When Li Yu went to the editing department, she was stunned by the scene inside. However, compared to those knowledgeable editors, Little Yu 'er, who had never gone to school and could barely read, was instantly hit by a blow.
"Hehe, I didn't expect that our extraordinarily astute and eloquent Little Fishy would have a timid moment!"
Li Zexuan smiled and said, "But Little Fishy, it is wrong for you to think this way. Although you are not knowledgeable, you have your advantages. The news on our Datang Daily doesn't need to be very literary. You just need to write a novel and interesting story. I think you are qualified for this position."
"Really? Really? "
Li Yu asked excitedly.
"Yes, of course. Later, try to write an article and show it to me. Maybe I can give you some pointers. Of course, before you write the news, you have to go to the people and find some interesting things. As a reporter, you can't make something out of nothing!"
"Yes, yes, I will go out tomorrow to find the news!"
This girl had a big heart. Her bad mood came and went quickly. At this moment, she was no longer as dispirited as before. Instead, she was full of enthusiasm. Then she said, "Sir, can you continue to talk about the shape of the earth?"
Li Tai and Iron Egg nodded quickly. At this time, they didn't have extra time to care about who Li Yu was and where she came from. Their minds were hooked by Li Zexuan's theory just now.
"In fact, the earth we are standing on is a sphere. The reason why we can't feel that it is a sphere is because its size is too big. I call this piece of land the earth. Every person in every corner of the earth has the sky above their head. The direction they are standing in is pointing to the center of the earth. "
Li Zexuan said as he held an iron ball and gestured.
"Then why don't the people below the earth fall?"
Li Tai asked with a frown.
Li Zexuan glanced at him and said, "In fact, for the earth, there is no such thing as above and below. The earth itself rotates by itself. Look, this is the sun and this is the earth. When the earth rotates here, this area is daytime. On the other hand, the opposite side is night. When the other side rotates, the area on that side becomes daytime. This is the sunrise and sunset that we see every day.
As for Qingque's question about why people won't fall, I'll leave it to you guys to figure it out for yourselves. But there's one thing I can tell you for sure. The Earth is definitely round, and people definitely won't fall! "
"Sir's theory is really novel, but it also makes some sense."
Li Tai nodded thoughtfully. He couldn't completely accept it in a short time. After all, the shock it brought to him was too great.
"Hehe, Qing Que still doesn't seem to believe me. Then I'll give you two more examples. When a ship comes from afar, we always see the mast first and then the hull. If you haven't seen the sea, it's the same in a big river. On the other hand, no matter where we are or how high we stand, the range of our vision is always limited. These all prove that the earth is spherical."
"That's true. I've seen many ships like this on the river before!"
Hearing this, Li Yu hurriedly shouted happily.
"Well, after explaining that the earth is spherical, I'll tell you why the compass can point the way. This will be a new subject. This subject will bring you into a new world!"
.....
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