Da, da, da...

The night leaked three times, and the sound sounded very clearly in the quiet night. It was already the third update of the afternoon and it was eleven o'clock in the evening.

Xintianyou confirmed again that everyone near the small courtyard of the State Guesthouse was asleep and there was nothing suspicious about it. He flashed into the half-open hall and tied it up.

There is also a small reception room on the side of the hall, brightly lit. Wang Duan, the Minister of Rites of the State of Zhou, walked out of it and waved his hand, please!

Xin Tianyou smiled and walked in with great pride.

He thought to himself, Wang Duan drove away the servant and half-opened the door and didn't sleep, because he knew that he would come over.

During the math competition at Taoli Banquet, the rest of the people were confused, but the two realized that they had a common secret. Especially the four-ball team problem was not something that the world could solve. Even if Xin Tianyou didn't come to the State Guesthouse tonight, the other party would definitely find ways to find him.

Wang Duan quickly walked to the door of the hall, listened to the movement, returned to the secret room again, quickly closed the small door, and said anxiously:

"Comrade, I've been waiting so hard, for a full sixteen years..."

A voice of "comrade", plus the hand that stretched over, was like a thunderbolt in the clear sky, and the thunder made Xintianyou dizzy, burning outside and tender inside.

Damn, did I dream of returning to the virtual realm? Or did Master Wang, like Master Xin, also came from the high-tech era and accidentally became an ancient spy?

Seeing the boy hesitantly stretching out his palm, Wang Duan held it tightly and shook it for a while before letting go, and said apologetically:

"Leader, please sit down... It's just that the tea is cold. If you change the boiling water, you will call the servant again..."

Xin Tianyou sat down, and was scared by the sound of "leader" and almost jumped up. He barely sat down, picked up the teacup and drank it all. He picked up a steady style and asked in a deep voice:

"The tea is good, don't call it anymore... Comrade, thank you for your hard work over the years, how are you doing?"

I deliberately used the ambiguous word "dry" to prepare to draw Wang Duan's words.

Unexpectedly, when the old man saw him drinking herbal tea without warning, he praised him again for his "Thank you for your hard work". He was so excited that he burst into tears. He immediately poured beans into the bamboo tube and said it clean. I guess he has been so suffocated over the years.

Twenty years ago, Wang Duan was just a seventh-rank sesame official from Zhou Guoluo Yun County. But he was obsessed with mathematical science and never met an opponent. He made a big name, and even the Hanlin Academy knew that he was the one who was the one who was the one who was the one in the Hanlin Academy.

Jieyun County is located at the tail tip of the northern part of the Yunshan area, bordering the country of China. It is relatively poor, but it is a place where stinky produces.

Several people who picked the salt suddenly became rich and bought a house and shop in the county town, which attracted the attention of the constable. They suspected that the money was not from the right origin and might have killed him for money.

After some cross-examination, the man who picked the seldom complained.

They were in a mine in the mountains and were purchased by foreign merchants last month. Seeing that the man was anxious, the lion spoke up and offered a sky-high price of 1,000 taels of silver. Unexpectedly, the other party immediately paid the money and completed the transaction.

I would like to ask again, what else is there in the cave except saltpeter? At such a high price, I am afraid it will produce gold and silver.

He replied that apart from saltpeter, there was only a small spring with black oil. The thick smell was choking, and it could not be fired, and it was useless.

If something goes wrong, there will be a demon. Wang Duan feels it is strange and ordered the constable to investigate secretly.

Suddenly one day, an uninvited guest named Dongjiu came to the county government office and competed with him for a whole afternoon to calculate the calculation. No matter what questions Wang Duan asked, the other party could answer them quickly. However, he could not touch the wind at all and was shocked.

Then Dongjiu told him that he was a foreign merchant who bought the nitrate mine.

The two became friends, so of course there was no need to investigate any more.

Nitr crystal is a very ordinary medicinal material. It tastes bitter and has a warm nature. It is mainly used to detoxify and reduce swelling. After Dongjiu extracts saltpeter, it is never sold in Qiyun County. It is said that it can make three times the profit when sent to the north.

Wang Duan didn't doubt it either.

Because the local bargain price is indeed cheap, all those who have some ways are sent to other places. Those who have no way have to wait for the merchant to acquire it. After some bargaining, the profit is extremely small.

Dongjiu gradually taught him some principles of mathematics and studying things to gain knowledge.

Each of them made Wang Duan, who almost passed the No. 1 prize exam, stunned. He thought the other party was a genius in the martial arts world, and admired him. However, this knowledge was harshly warned by Dong Jiu that it should not be revealed in front of anyone.

Once, my mother suffered from malaria and she couldn't stop her doctors from all over the county. The condition became more and more serious, and she was almost out of reach.

Dong Jiu arrived and after the old lady was unconscious, she told him that only Wang Duan was allowed to be left in the room. Then she took out a strange needle tube and pushed the medicine into the wrist blood vessels that stretched out the mosquito net.

The next day, the old man was ready.

Wang Duan had no choice but to repay him. He ignored the low status of the other party's "businessman" and must become sworn brothers who live and die together.

When the time was ripe, Dong Jiu said:

"The purpose of practicing civilization is to cultivate super individuals, and there are two fatal flaws. The world is suppressed, and the overall human beings cannot be improved. Relying too much on the vitality of heaven and earth, once it disappears one day, it will not be able to practice. Fortunately, ten years ago, the "mentor" came from heaven and promulgated the "scientific" doctrine, and was preparing to build an ideal country in the place where it was left.

"With science illuminating the way forward, ordinary people can also move mountains and fill the seas and live forever. They can even create stars to travel around the universe and travel through time and space, which is stronger than the heavens and man. Wang Duan, would you like to be our comrades and build the ideals of the world together?"

Of course Wang Duan is willing.

He was mediocre and mediocre in the world, unable to experience the benefits of practice, but he felt the magic of science in a solid way.
Chapter completed!