Datang: Li Shimin begged me to rebel

Li Ke said that religion is not as harmful as Buddhism. Some people may use Zhang Jiao and other examples as examples, but we must distinguish clearly.

The rise of Buddhism will cause a dynasty to turn from prosperity to decline, and Taoism can be blamed when something like Zhang Jiao erupts?Why didn't Zhangjiao emerge in the early and mid-Han Dynasty?

The common people can't live anymore, don't talk about preaching, Chen Sheng and Wu Guang will follow suit, Zhang Jiao is just a pretext, the root cause is not caused by Taoism, but Buddhism can really turn a country from prosperity to decline , which is the fundamental difference.

Yuan Tiangang and Li Chunfeng looked at each other, and then said seriously: "Your Highness, since we are officials in the imperial court, we must contribute our own strength to the Tang court."

"Well, in fact, your knowledge of astronomy and geography is very useful." Li Ke said with a smile.

"Astronomy and geography?" The two people probably understood what it meant.

"Yes, I call the knowledge of observing astrology astronomy, and the knowledge of mountains, rivers and rivers as geography." Li Ke nodded slightly, "Your knowledge of astronomy is worth cultivating. But I I have a question, you think the earth under our feet is round, so what about the sun, moon and stars?"

"Our Taoism supports the theory of Huntian. Although there has always been a school of theory of Gaitian, we have actually proved that Huntian's theory is true from various angles." Li Chunfeng said.

"Including long-distance observation of distant mountains and ships, etc., the top is exposed first, and then the bottom is exposed. This proves that the earth is arc-shaped, and it can also be explained by the changes in the height of the sun and the moon." Li Chunfeng gave Li Ke explained.

"Well, I know that the earth under our feet is actually a sphere, so have you ever thought that the sun, moon and stars we see are actually the same as the earth under our feet? It's just that they are too far away from us Yes, so we only see a little bit." Li Ke asked with a smile.

"Ah?" Yuan Tiangang and Li Chunfeng were both stunned.

"Then... if that's the case... how far is the distance? The universe is so big..." The two of them felt stunned for a moment.

Li Ke was a little surprised. He just mentioned that the sun, moon, and stars are the same as the earth under his feet. Li Chunfeng thought of the distance. Obviously, his heart is a concept. There is only such a small point in the center, and the distance is obviously extremely far.

Even thinking of the vastness of the universe, I can only say that outstanding people are indeed geniuses.

"Indeed, in fact, these are all figures that can be calculated. If the two of you are willing, I can tell you how to calculate these things if you have the opportunity, but the premise is that you have to learn my new style of mathematics."

"Besides, I have another thought. Since you are all proficient in observing the sky at night, have you ever thought that it is not the sun, moon and stars that revolve around us, but the earth under our feet and a part of the stars that revolve around the sun? As Li Ke said, he simply stretched out his fingers to dip the cold tea in the teacup, and began to draw on the table in front of him.

After drawing out the general galaxy map of the solar system, Li Ke asked with a smile: "Is it possible that the sun, moon and stars are revolving in this way? I call this a galaxy, and the stars farther away are countless. The universe is made up of galaxies like ours? Is it possible that the bright stars in the sky at night are the more distant sun!"

Li Ke doesn't mind throwing some bombs at them, because astronomy is actually not afraid of throwing theories at them. Study it.

And don't underestimate the determination of the ancients to verify these things. There are really many geniuses. Once they get on the right path, many of their theories that could not be verified in the past can now be verified, such as the four seasons of the year, such as Said, cloudy and sunny.

"This..." Yuan Tiangang and Li Chunfeng were completely stunned.

They were stunned by Li Ke's bold idea, but looking at the fading galaxy map on the desktop, there seemed to be an inexplicable magic power in it, attracting them.

"Your Highness, can you tell me in detail." Li Chunfeng felt like a cat scratching his heart.

"It's actually very simple. For example, I named the earth under our feet the earth. If the sun is a radiant and hot sphere, when the earth revolves around it, as a sphere, there will always be a part of it illuminated by the sun. So we have day and night."

"Then why is the moon revolving around the earth not hot when it shines on the earth? Is it possible that its bright side is actually illuminated by the sun's rays? Because of the distance, we can see that it is also shining."

"It's like on our earth, when it's daytime, the bright side, if we stand on the moon, can we see the earth is also shining? Because the distance is far enough, we can't see the details."

"It's understandable that the moon is cloudy and waning, because when it revolves around the earth, sometimes the earth blocks the light from the sun, so it can only shine part of the light, so we can only see New moons, half moons, and finally full moons."

"And how long the moon revolves around our earth is a month, and how long the earth revolves around the sun, we call it a year." Li Ke smiled and told about the basic astronomical knowledge of future generations to three people. .

Both Li Chunfeng and Yuan Tiangang were dumbfounded.

Because the more Li Ke talked about it, they kept comparing it with the knowledge of the sun, moon and stars in their minds, and then they discovered more and more that what His Royal Highness King Qin said...is a complete set of theories, a seamless theory!

There is evidence for everything, all year round, spring, summer, autumn and winter, why the south is hotter and the north is colder.

Why do the four seasons rotate in one year and so on!

"Even, you can think about it, why the earth revolves around the sun, and what kind of force makes so many stars revolve around it. If the surroundings of our earth are all empty, why do we still have things falling?" On the ground?" Li Ke said with a smile.

"Your Highness... Chunfeng has met His Highness, no, Chunfeng has met Mr. I wonder if Chunfeng has the opportunity to learn from His Highness?" Li Chunfeng stood up directly, and then bowed to Li Ke with a big gift.

The same is true for Yuan Tiangang next to him. Li Ke shocked them too much!

"You two excuse me." Li Ke first smiled and waved his hands to excuse the two people, and then said: "So I said, your Taoism still has some uses, but I know this knowledge, but I don't know why , There are some things and some laws that you need to find, such as numerology is necessary, because you know a lot of knowledge, you may be able to calculate how far the moon is from our earth."

"How far is the sun from our earth?"

"Everything in the world has its own laws, and these laws can be expressed by numbers."

"So, if we want to figure out the relationship between these astrology and astronomy and natural phenomena such as wind, rain, thunder and lightning, we need some geniuses. I think you Taoists all over the world must have some talents in this field."

"I can build a school here in Chang'an to teach this group of people this knowledge, and then record the knowledge you have studied. I will publish it in a book and pass it down from generation to generation. In history, your names will definitely be there." Li Ke smiled and said.

Sun Simiao felt a little helpless when he heard that, well, I am familiar with this.