Even if the Jinshi of the Great Song Dynasty did not love reading, at least they all had good reading habits. In other words, they always know how to read a book when they get it.

"Four Library General Catalogue" is equivalent to the general outline of the index of the big library, and when Xu Jingsun Xu Jinshi, who learned that he had advanced research in this area, arrived in Fuzhou, Xu Yuanzhi and Xu Jinshi went to meet this old-timer. The two sides talked a lot of things very warmly, and when Xu Yuanzhi was about to leave, he couldn't help but pause and asked Xu Jingsun Xu Jinshi a question, "Mr. Xu, do you believe that the earth under our feet is a ball?" ”

On the way back to his residence, Xu Yuanzhi was very melancholy in his heart. The gap between the old and the new is 'one sky, two worlds'. After accepting that the earth is round and accepting the heliocentric theory, Xu Yuanzhi found that his perspective on the world had changed dramatically.

Why is there sunrise and sunset, why is there day and night, why is there spring, summer, autumn and winter? How the hell did the rain and snow appear.

Learning knowledge in school with those little dolls, Xu Yuanzhi was a little negative at first. After studying for a few years, Xu Yuanzhi found that he didn't even understand the common things around him. From the beginning of learning and accepting that the earth is round, there is a very reasonable explanation for these things around us. More importantly, not only have these phenomena been explained, Xu Yuanzhi feels that what is more important is the 'scientific theory' based on these phenomena.

When he first saw the super-large Kong Ming lantern developed by Zhao Jiaren and take people into the sky, Xu Yuanzhi felt that Zhao Jiaren was really smart and clever, and he could magnify the Kong Ming lantern so effectively. After he learned the theory of buoyancy, Xu Yuanzhi felt that Zhao Jiaren's admiration should be his wisdom. Xu Yuanzhi never thought that the principle of Kong Ming lantern was the same as that of a boat floating on water. To be more precise, although he breathes air all the time, Xu Yuanzhi does not have a real understanding of air.

Xu Jingsun Xu Jinshi is a very knowledgeable person, but Xu Yuanzhi saw Xu Jinshi was himself a few years ago. At that time, I had a very deep study of science, and although I had doubts about many of the contents of science, I didn't know that the part of science related to the laws of nature was wrong, and more than half of the part related to society was nonsense.

In an unhappy mood, Xu Yuanzhi couldn't help but go to Zhao Jiaren to talk. Zhao Jiaren couldn't help but smile after listening to Xu Yuanzhi's words: "Mr. Xu, I have invested a huge amount of financial resources and manpower in education, and you still praise me and say that I am a person with high morals. I told you at the time that I was doing it for myself. I think you can understand my feelings by now. If there are scholars like Mr. Xu Jingsun around, who can stand it. ”

Xu Yuanzhi couldn't help but smile, and snorted lightly from his nose. Zhao Jiaren's words sounded helpless, but there was a side in it that made Xu Yuanzhi feel nervous. Science may be able to destroy science, but will science destroy Confucianism as well? The more he acknowledged the power of science, the more uneasy Xu Yuanzhi became.

Putting this disturbing topic aside for the time being, Xu Yuanzhi asked Zhao Jiaren: "I don't know how Zhao Zhizhou is going to entertain these two." ”

Zhao Jiaren put away his smile and said calmly: "Ask them if they want to invest in navigation with us, even if they themselves don't want to invest, see if any of their relatives want to invest." In the next three years, I plan to increase the number of ships in the fleet to 4,000 ships. This can be a big investment. I want to take on the job of shipbuilding, and it will cost me all the money I have. If you have a ship, you have to pay for the goods on board. ”

Xu Yuanzhi looked at Zhao Jiaren in surprise, he didn't understand why Zhao Jiaren suddenly decided to relax the investor standards. In the past, Zhao Jiaren put on a high posture when choosing investors. Now how can I be cold, I don't even let go of the money of the two old men who just came to Fuzhou.

Zhao Jiaren didn't want to explain the matter, it was difficult to explain. Previously, he was reluctant to accept more outside investment because the Mongols did not launch an attack on Xiangyang. Now he is willing to accept the investment from there because he thinks the Southern Song Dynasty will not be able to hold on. Zhao Jiaren didn't care about the life and death of the Lin'an court, but Zhao Jiaren hoped that the precious metal currency in the south would flow into his hands as much as possible.

Xu Yuanzhi didn't understand Zhao Jiaren's thoughts, and before he could understand, two old men from Lin'an came to see Xu Yuanzhi. It could be seen that both of them were a little stimulated, and this time they came prepared, and they came up to discuss whether the earth was round or not.

Xu Yuanzhi has actually measured this issue many times. He invited the two old men to the sea and used binoculars to observe the ships. The two old men were amazed by the fact that they were far less eyesighted now than they had been when they had been younger, but they could see very clearly from the cylinder the tip of the mast that had appeared on paper, and how the ship had gradually taken on its full form from 'under the water'.

I have to admit that the surface of the water is 'probably curved', and the two old men do not agree that the earth is round. They questioned why the earth was round, and the man under the ball did not fall.

"It's the result of gravity." Xu Yuanzhi briefly introduced this knowledge.

I heard that there is an invisible and untouchable suction between the two, and this suction force 'sucks' people on the earth, and the two old gentlemen scoffed at it.

Xu Yuanzhi took the two of them to live in the school in Mawei that day. The next day, I took the two to the school to do the gravitational laboratory. It was a solitary laboratory, surrounded by as much material as possible. The interior of this room is very 'extravagant', with large bright windows.

The room was empty, and a light and sturdy T-frame hung in the middle, with a small ball at each end of the horizontal part of the frame, and a small plane mirror on the vertical part of the T-frame, which reflected the light onto the scale, so that the wire twist could be measured more accurately.

Place the two balls at an angle to the ball, and they are at the same distance from the ball. Under the action of gravitational force, the T-frame rotates by the action of torque, which causes the wire to twist, resulting in an opposite torsional moment and hindering the rotation of the T-frame. When these two moments are balanced, the T-frame stops and does not move. In this case, the angle of twisting of the wire can be calculated from the distance of the light point reflected by the small mirror on the scale.

The experiment lasted a full twelve hours, from daytime to night, during which there were experiments with metal spheres, wooden spheres, and even two old men themselves going in as gravitational bodies. Regardless of the type of object, the movement of the point of light proves that when other objects appear in the range, there is an inexplicable gravitational force.

Xu Yuanzhi saw the painful expressions on the faces of the two old men, which made Xu Yuanzhi feel familiar. After his first gravitational test, he had seen the same expression in the mirror of his apartment. It was the pain of having to admit a completely unacceptable theoretical system, because this theory was incompatible with or even completely contradictory to the ideas formed by Xu Yuanzhi before.

The old men, whose faces were gloomy, as if they were several years old, went back to their lodgings with the help of the servants. Xu Yuanzhi sighed, turned his head and saw that the children who participated in the experiment were full of joy. Xu Yuanzhi's first reaction was to be furious, is it really uncomfortable for these blind bear children to not see the adults?

Next, Xu Yuanzhi suddenly felt a shock, and he found that because of the pain at this time, he had a very ugly side in his heart. Since gravity is a fact, it is the children who rejoice in the existence of gravity to be appreciated and recognized. However, Xu Yuanzhi did not feel such a mood, but because he could understand the two stimulated old men better, he thought that those children who were more receptive to new things should be considerate of the old people......

Maybe it was because they saw Xu Yuanzhi's unkind expression, and the young people at least superficially restrained their happy expressions. The study committee member at the head asked, "Teacher Xu, can we go back first?" ”

"Let's go back." Xu Yuanzhi said with a straight face naturally.

The young people immediately dispersed in a hurry, and fled from Xu Yuanzhi's side like a fly. Looking at the back of the young man, Xu Yuanzhi was envious at first, they had never had time to be instilled with the concept of the sky and the earth, so they were first forcibly taught that the earth is round. In other words, they will not encounter this ideological challenge in this life, let alone experience such pain.

Thinking back to the lessons of these dolls, Xu Yuanzhi was even more envious and jealous in his heart. A 'well-educated person' like Xu Yuanzhi, if he wants to keep up with those dolls at this time, he must first fight against the wrong ideas he has formed. Every time you realize your wrong ideas, it will also trigger a judgment of your ignorance and incompetence. It's a double suffering, it's a double torment.

By the time Xu Yuanzhi and them kept up with the times, these dolls had already made great strides. In Zhao Jiaren's school, new knowledge is taught every year, every month, and every day. That's really a new day, a new day, a new day.

This is truly enviable! It's enviable! Feeling a slight tingling sensation in his heart, Xu Yuanzhi beat his chest with his hand and thought helplessly.

The next day, he went to see Xu Jingsun and Chen Maoliang, but saw that the two old gentlemen looked as if they were sick. hurriedly stepped forward to greet him, and heard Xu Jingsun say in an excited voice that was completely out of tune with his expression: "Xu Zhizhou, we still don't believe it." There are a few other ways to try this time. ”

Seeing that the two old men were really angry, Xu Yuanzhi hurriedly persuaded: "It's better for the two of you to take a good rest, this time is very long, and your body is still important." ”

However, the two old men did not give up, and it could be seen that they might be able to accept that the earth is round, but they could not accept gravity at all. Xu Yuanzhi talked for a while, but found that the old men actually felt that this was some kind of demon magic performed by Zhao Jiaren, a specific existence, not a universal existence.

After confirming these, Xu Yuanzhi felt a little sad in his heart. The two old men were also well-educated, but yesterday's experiment clearly touched on their fundamental view of the world, and both of them lost their temper after being greatly stimulated. After trying his best to appease the two old men and provide them with a drink to calm their nerves, Xu Yuanzhi left first.

Walking on the road to school, Xu Yuanzhi regretted his more serious choice. Since his family knew about his family's affairs, Xu Yuanzhi knew that he really wanted to experiment with these two well-educated people to see how the two of them would react after suddenly receiving new knowledge.

Xu Yuanzhi knew that his reaction was not as bright and frank as 'there must be my teacher in the threesome', and he was not as full of thirst for knowledge as Confucius. However, it turned out that the reaction of the two old men was even worse than Xu Yuanzhi's. Although this made Xu Yuanzhi feel that he was not the worst, it also made Xu Yuanzhi feel uneasy about his conscience. At this time, he very much wanted to talk to Zhao Jiaren about this matter.

Looking up and sighing with melancholy, Xu Yuanzhi saw that Zhao Jiaren was with several teachers, striding towards him.

After the two met, Xu Yuanzhi asked in surprise: "Zhao Zhizhou, why are you here?" ”

"The cable telegraph is complete." Zhao Jiaren replied happily.

"Cable telegraph?" Xu Yuanzhi was confused for a while. He was still very surprised, thinking that Zhao Jiaren came because of his Xu Yuanzhi.

"Would you like to check it out?" Zhao Jiaren didn't want to hide it from Xu Yuanzhi. Moreover, there is nothing to hide from the cable telegraph, and the purpose of Zhao Jiaren's research is to establish a cable telegraph between Fuzhou City and Mawei. And it is also hoped that cable telegraph can gradually become a network.

The place of Mawei completely belongs to Zhao Jiaren, so the space in the cadre school is very large. In two rooms two kilometers away from the school, two telegraphs were completed. Xu Yuanzhi didn't know what was going on, anyway, he saw that the telegraph machine either automatically rang and made a long or short sound. Or tap the keys with the students in mind.

The principle of Zhao Jiaren's telegraph is very simple, and he is not prepared to use pinyin. In Zhao Jiaren's opinion, that can be talked about later. The Chinese do not lack excellent talents, so the telegraph he ordered only needs to be able to send two voices. These two sounds act as binary, and a string of binary sounds is emitted. Two binary codes make up a number that is up to four. The four largest numbers are four, forming a four-digit number that represents a certain Chinese character. This four-digit number can be corresponded to the kanji on the codemeter.

For the upcoming telegraph operator, Zhao Jiaren believes that he can definitely cultivate the kind of person who can immediately respond to the corresponding words in his brain after listening to the sound. Even if you don't know it well, you can at least learn to look up the four-digit code easily.

Such an epoch-making telegraph was confirmed, but Zhao Jiaren did not stay long. He had some other things to do at this time, and when he came out with Xu Yuanzhi, Zhao Jiaren asked, "Mr. Xu, I see that you have something on your mind." ”

Xu Yuanzhi hesitated at first, then poured beans into the bamboo tube, and told Zhao Jiaren about the stimulation of the two old gentlemen. Zhao Jiaren couldn't help but laugh after listening to it, and after laughing, he praised: "Mr. Xu is really sincere." ”

"What's the use of being sincere?" Xu Yuanzhi said almost self-defeatingly, when confronted with the irrefutable science and the dark side of human nature that arises from it, he felt a feeling of despair.

"Why do people be sincere? Because he looks forward to solving the problem. Zhao Jiaren replied. As a psychiatrist, I always feel happy to see patients at this stage. Because the next step for patients who can make it to this stage is to be cured. "The first is to admit that there is a problem, the second is to recognize what the problem is, and finally to solve the problem with common sense. None of these three steps will be easy. ”

Hearing this, Xu Yuanzhi smiled bitterly: "Then where does Zhao Zhizhou think I have reached?" ”

"In the second stage, you want to understand what kind of problem you are facing." Zhao Jiaren pulled Xu Yuanzhi forward as he did it.

Xu Yuanzhi walked forward with Zhao Jiaren and asked at the same time, "I don't know if Zhao Zhizhou has anything to teach me?" ”

When they arrived at an open space where it was convenient for them to talk, Zhao Jiaren said: "The science I advocate is called a hypothesis for things that cannot be proven immediately. ”

Xu Yuanzhi couldn't help but smile bitterly. Science is a good thing, that's what he really felt. However, the attitude of science is so arrogant that it is so arrogant that it is not even willing to tell nonsense that fools people. It was this arrogance that gave Xu Yuanzhi a strong sense of frustration.

"You've done biological experiments on nerves, right?" Zhao Jiaren asked.

Xu Yuanzhi would think of all kinds of 'abuse' of the frog, and even cut off the frog's head and poked a bamboo stick into the spine, and then the frog's limbs spasmed...... He shook his head lightly and sighed, "I did it with the students. ”

"There's a neuronal connection hypothesis here." Zhao Jiaren made a start.

The neuronal connectivity hypothesis is based on the idea that the human brain uses analogies to process large amounts of data. However, memory, or habit, is the connection channel made up of more than a billion neurons. Constructing a fixed connection is like writing a program on a hard drive, and the bioelectricity energizes a subset of neuronal connections to allow the blank neurons to write data. Modifying the already formed cognition is also to electrify the neurons that have already written data to form new content.

Since it is electrified, it triggers painful feelings. Many people think that this kind of pain is imagined in the spiritual world, but modern medicine proves that this kind of pain is real. Zhao Jiaren embraced the idea of materialism when he was in China, but after he went abroad, he strengthened it more deeply through his studies.

The neuronal connection hypothesis is based on the idea that the human mind is entirely based on the body, and there is no room for the soul at all.

Xu Yuanzhi has no computer knowledge, so he can't understand some of the knowledge that Zhao Jiaren said. However, Zhao Jiaren didn't want to popularize this kind of knowledge, he stared at Xu Yuanzhi and said, "Mr. Xu, I feel that you feel that you have some very unbearable thoughts. I want to tell you that everyone thinks this way. But most people don't admit that you think that way. You really are a good person. ”