Zheng Sheng arrived in the Jin Dynasty, only to know the preciousness of paper books, Zheng Sheng's study on the bookshelf has a set of dozens of bamboo slips "Analects", a set of more than 100 bamboo slips "Book of Songs", and six not thick paper books, respectively two volumes of "The Book of Filial Piety" and four volumes of "Book of Rites".

However, this is not the Zheng family's collection, this is the dowry of Zheng Sheng's mother Wang Ru, and Zheng Sheng has learned that the Zheng family also has a precious paper version of the Analects, which is the only paper book in the Zheng family. In addition, the Zheng family also has a library full of bamboo slips, which is a heavily defended important place for the Zheng family, and no one is allowed to approach it without permission.

Zheng Sheng once asked his mother Wang Ru this question. Mrs. Wang told him some things, and Zheng Shengcai probably understood some of the mysteries.

Papermaking is there, and if someone is willing to spend manpower and financial resources, paper books can definitely be popularized. But no one does.

It's a kind of monopoly. The families monopolized the two resources of papermaking and classics, and they controlled the spread of paper books, and these families reached a tacit agreement to prevent the spread of paper books to the world, and they had their own calculations.

To read, you must first have books, and of course the children of the poor who are interested in studying also have books to read, which are bamboo slips. Bamboo slips are very bulky, not easy to carry, and it is not easy to circulate, and it is often the small and medium-sized clans like the Zheng family who have the ability to collect these bamboo slips.

In this way, in fact, it has been divided into ranks, famous families, and has a large number of paper books; Small and medium-sized families, a small number of paper books and a large number of bamboo slips, but compared to the wang family, they have many fewer classics; Poor, no books to read.

The improvement of papermaking technology and the emergence of paper books are not the first to benefit everyone, but the famous clans who control most of the cultural resources in the world.

Of course, Mrs. Wang didn't know so much, and Zheng Sheng only knew such a reason: because the Zheng family didn't know papermaking, and didn't know Mr. Cai's improved papermaking skills, naturally there were no paper books.

The paper made by the papermaking technology that has been passed down in the world can also be written, but just like the embarrassment caused by Li Anjian, he used a little more force, and the paper penetrated a hole.

This kind of paper cannot be used to record words, Zheng Sheng has already experienced this pain, at first he did not pay attention, when he checked Li Anjian, Zheng Quan's homework and his middle school formula, the handwriting on it had spread and became blurry, unrecognizable. Zheng Sheng was not well preserved, and the ink on the paper came into contact with the water vapor in the air and dissolved......

Zheng Sheng decided to try paper.

At night, Zheng Sheng carried the paper from the study into his bedroom, and Zheng Sheng counted them, a total of thirty. Putting the paper on the table, he suddenly thought: Does the exchange have to be close to me? Or is it as far away as it gets? These things are mine, can they be exchanged for other people's things?

He scratched his head, it would take a lot of experimentation to verify this. After thinking about it, he put fifteen more pieces of paper back in his study.

Zheng Sheng went back to sleep satisfied.

In the dream, the scales resurfaced. Zheng Sheng spoke into it: "Where the hell are you from?" ”

But the scales naturally don't speak.

Zheng Sheng began his attempt. Zheng Sheng thought about putting the thirty pieces of paper on the scale, and sure enough, the thirty pieces of paper appeared on the tray on the right. Immediately after, the word "seeking" appeared above the tray on the left.

Zheng Sheng didn't immediately think about what he "begged for". He looked at the paper in the tray on the right side curiously, he looked carefully, and found that this was indeed the thirty pieces of paper, Zheng Sheng touched it with his hand, and what he touched was also real paper, but he couldn't take it down.

When the curiosity ended, Zheng Sheng wondered what kind of paper he wanted.

It is necessary to use ordinary A4 paper for printing in the 21st century.

The A4 paper floats on the left tray and then the balance starts to float up and down, this time with the right tray sinking and the left side floating.

Immediately after that, the A4 paper on the left tray began to increase. Zheng Sheng silently counted the number of increases. The scales slowly returned to balance.

Zheng Sheng withdrew from the dream. He opened his eyes and found that it was indeed time to wake up, he had not been able to stay in the dream for a second longer, and as soon as the scales had regained balance, he woke up immediately.

Zheng Sheng realized that he could only make one trade in a night. This is also one of the rules.

Zheng Sheng came to the table and first looked at the stack of pure white and smooth A4 paper. Picking it up, Zheng Sheng had a sense of unreality, this thing that should have existed more than a thousand years later really appeared in the Jin Kingdom, just like him, these few pieces of A4 paper were just like a bug.

Zheng Sheng had to consider a practical problem, how to explain its origin.

Actually, it is not clear, but considering the reality of the situation, there is still operability. Just like that bowl of soy milk, Zheng Sheng easily used the "secret method" to deceive the little girl Qing'er.

But paper is different.

There will be no accident in the small area of Zheng Sheng's small courtyard, and his friends will not question that the paper in Zheng Sheng's hand is something of unknown origin, even if he asks, Zheng Sheng can fool the past.

But he has to consider other situations, the consequences of the spread of the paper.

Of course, A4 paper is much better than Cai Lun paper, which is like the gap between a generation of computers and tablets. Whether it is aesthetics, quality, and fluency of writing, modern paper surpasses Jin paper too much.

Zheng Sheng couldn't think of a good way to explain it for the time being, picked up the paper on the table, Zheng Sheng counted it, a total of five.

Thirty for five? Zheng Sheng found that the number was wrong, and he clearly remembered that there were ten in total.

He ran to the study, and sure enough, the other five sheets of paper were in the study.

It doesn't matter how far or near you are. Zheng Sheng came to the conclusion that he thought a lot in an instant, and the distance did not affect the progress of the transaction, which was too important!

Ten sheets of paper. Zheng Sheng thought that the thirty pieces of Jin paper were actually larger than A4 paper, but smaller than A3: shorter than A3 paper, but slightly wider. The whole piece of Jin paper is almost a square.

Zheng Sheng roughly estimated that the exchange ratio between Jin paper and modern paper was roughly five for one.

But in terms of value, in this era, how much Jin paper can a piece of modern paper be worth. Zheng Sheng didn't know either.

Li Anjian and Zheng Cheng were already ready to go, but they watched Zheng Sheng go out, holding a few white things in their hands, and ran to the study in a daze. The two looked at each other.

"What's wrong with Shizi?" Li Anjian asked.

"The prince is sick again." Zheng said earnestly, "Don't bother him. Let's just wait. ”

"Okay, let's wait." Li Anjian is humbly taught.

"Whoever is with you is us." Zheng Cheng was very arrogant, he muttered secretly, he seemed to be getting more and more familiar with this "mountain", and he was not very willing to get rid of him, what should I do?

Zheng Sheng put the paper away and saw Zheng Cheng and Li Anjian waiting for him again. He called the two in.

"Shizi, this is ...... Paper? Zheng Quan's eyes widened and he took a closer look.

"Paper, of course."

"But, but." Zheng Cheng can't describe it.

"This paper is beautiful." Li Anjian was also surprised.

"Yes, yes. It's beautiful! Zheng Cheng nodded.

"Shizi, where did this paper come from?" Zheng Cheng wondered.

"You just need to know that you can write with it." Zheng Sheng told him, "You don't have to worry about the rest. ”

Zheng Cheng shook his head: "Write on this paper?" How can this be? ”

"Why not?"

"It's too wasteful. Just write on plain paper. Zheng Cheng said. Li Anjian also agreed.

Zheng Sheng thought about it, and didn't force it, after all, there were only ten tickets, and they really couldn't be wasted.

After exercising in the morning, when it was time to eat at noon, a visitor suddenly came to the small courtyard.

"Prince, Steward Wang is here." Qing'er came in and told him.

"Steward Wang? How did he get here? Zheng Sheng stood up, "Could it be that something happened to my mother?" ”