Otaku Engineer in Great Tang Dynasty

Chapter 253 The sky is round and the place is round!

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inside the house.

Meng Wenhao, Li Tai, and Tie Dan all looked at Li Zexuan curiously.

Li Zexuan carefully sorted out the relevant knowledge in his mind, and then slowly said: "Wen Hao, Qing Que, Tie Dan, if I want to explain to you why this compass can point to the direction of debate, we must start from what we stand on. The earth began to talk about it. I wonder if you have heard of the place where the sky is round in "Zengzi: Tianyuan"?"

If we talk about knowledge here, then Li Tai's knowledge is the most profound. There is no way, who let the old Li family have so many books!

"I've seen this Tai before. Does the gentleman want to say that the earth is square?"

Li Tai asked with a frown.

"No!"

Li Zexuan shook his head and said: "In fact, later generations one-sidedly think that the sky is round and the place is that the sky is round and the earth is square. In the evolution, the deduced diagram of the operation of heaven and earth is the circle of heaven and earth. The hexagrams around it outside represent the laws of the operation of the sky, while the hexagrams arranged in the square in the middle represent the laws of the operation of the earth.

Heaven is the master, the earth is the second, the sky is the yang, and the earth is the yin. The two interact with each other to generate all things in the world. Among them, people are just composed of the essence of heaven and earth. Therefore, they are regarded as the spirits of all things in heaven, earth, and all things. They are the most spiritual ones. In my Taoist view, "Tianyuan" means that one must be harmonious in mind to be accessible; "local" means that life must be rigorous and orderly. The saying that the sky is round and the place is round has been misunderstood by many people from the very beginning! "

In fact, the circle of heaven and earth is essentially the interpretation of the formation and operation of heaven and earth in the yin and yang system of the Book of Changes. The Book of Changes is the first of all classics and the source of Chinese learning. Its ideological system believes that everything is based on yin and yang. The five elements evolved, so in all ancient disciplines, there are ideological systems of yin and yang and five elements.

For example, the "Luban Classic" in architecture, "The Yellow Emperor's Classic of Internal Medicine" in life science, "Spring and Autumn Flowers" in governing the country and peace, "Sun Tzu's Art of War" in military formation, "Qing Nang Jing" in geomantic feng shui, personal destiny The "Drip Tianzhu" in terms of aspects, the "Ren Lun Datong Fu" in the aspect of viewing human faces, etc., as long as one can think of it, almost all have the ideology of yin and yang in the "Book of Changes". This is also the true connotation of why "Book of Changes" is regarded as the first of all classics.

In fact, these things were also seen in a forum post when Li Zexuan was bored in his previous life. As a closed disciple of Lingxu Zhenren, he has traveled through for so long, and this time he finally has the opportunity to promote Taoist culture (by the way, he is talking nonsense seriously), it is really not easy!

The other three people in the room fell into deep thought after listening to Li Zexuan's words which contained too much philosophy.

"Sir, what is the shape of the earth we are in?"

At this moment, a crisp voice came from the door, it was Xiao Yu'er.

"Yeah! Xiaoyuer, have you gone to the editorial department to read it? How is it? How do you feel?"

Li Zexuan asked with a smile.

"Well, the atmosphere there is very good, but it's full of well-educated people, sir, Xiaoyu'er thinks that he may not be able to do this job!"

Li Yu went to the editorial department, and was really amazed by the scene inside, but compared with those knowledgeable editors, Xiao Yuer, a little girl who had never been to a school but was barely able to read, was struck instantly. .

"Hehe, I didn't expect our clever and articulate little fish to be timid at times!"

Li Zexuan smiled and said, "But Xiaoyuer, it's not right for you to think so. Although you don't have enough poetry and books, you also have your advantages. The news on our "Datang Daily" does not need a high literary talent. Sex, you only need to write one thing novel and interesting, I think you are qualified for this position."

"Really? Really?"

Li Yu asked excitedly.

"Well, of course, go back and try to write an article first and show it to me, maybe I can give you some pointers. Of course, before writing news, you have to go to the people and find some interesting things. Reporter, you can't create something out of nothing!"

"Well, I'll go out to find the news tomorrow!"

This girl has a big heart, and bad moods come and go quickly. At this moment, she no longer has the decadence before, but she is full of energy, and then she said: "Sir, will you continue to talk about the shape of the earth? "

Li Tai and Tie Dan also nodded quickly. At this time, they didn't have any extra thoughts to care about how sacred Li Yu was and where it came from. Their minds were all hooked into the theory that Li Zexuan just said. .

"Actually, the earth we are standing on is a sphere. The reason why we can't feel it is a sphere is because its size is too large. I call this piece of earth the earth. A person in a corner has the sky above his head, and the direction he stands points to the center of the earth."

Li Zexuan said while holding an iron ball and gestured.

"Why don't the people under the earth fall?"

Li Tai asked with a frown.

Li Zexuan glanced at him and said: "Actually, for the earth, there is no such thing as above and below, the earth itself will rotate by itself, promise, you see, this is the sun, this is the earth, when the earth turns here, this is One area is daytime, on the contrary, the backside is nighttime. If you wait for the other side to turn around, the area on that side becomes daytime. This is the sunrise and sunset that we see every day.

As for what Qingque asked, why don't people fall down,

I want to leave this question to a few of you to think for yourself, but I can tell you one thing for sure, the earth is definitely round, and people will definitely not fall! "

"Sir's theory is really novel, but it also makes sense."

Li Tai nodded thoughtfully. He couldn't fully accept it for a while. After all, the impact on his mind was too great.

"Hehe, Qingque seems to be a little unconvinced, so let me give you two more examples. Ships at sea come from afar. We always see the mast first and then the hull. If you haven't seen the sea, then It's the same in the big river; on the other hand, no matter where we are or how high we stand, the range we can see is always limited, which proves that the earth is spherical."

"Really, I have seen many boats on the river like this before!"

Hearing this, Li Yu hurriedly shouted happily.

"Well, after I've made it clear to you that the earth is spherical, then I'll tell you why the compass can indicate the direction. This will be a new subject, and this subject will bring you into a new world. !"

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