The Tang Dynasty's Chang'an City was a miracle.

With an area of ​​nearly 100 square kilometers, it is 2.4 times the size of Chang'an City in the Han Dynasty, 1.4 times the size of Beijing City in the Ming and Qing Dynasties, and the ancient Roman city is only one-fifth of it. Regardless of any city with city walls before or after, it has always been the largest city built by humans and is a well-deserved "No. 1 City in the World".

Apart from the imperial palace, Chang'an City was divided into one hundred wards, the largest of which was over one square kilometer and the smallest was hundreds of thousands of square meters. Some people never left Chang'an City in their entire lives.

Pinghefang is located at the corner of the city wall, neither close to the city gate nor the main road, and is also the farthest from the imperial palace. It is considered one of the poorest markets in Chang'an City. The people living there are men working as laborers and women working as clothes pullers, all of which are hard labor with low pay.

In recent years, with the increase of salt, iron, money and grain from the imperial court, the lives of people in Pinghefang have become much better. At least after a day of hard work, they can have some vermicelli with some bacon.

If people are diligent enough and can save a few copper coins, if a family has more than two laborers and no sick people to burden the family, then life will be prosperous.

In fact, there is no need to be afraid of having patients. Minor illnesses can be cured by the young teachers from Yuzhou. If it is a serious illness that even the students from Yuzhou cannot cure, then there is no need to look for others. Even if they can cure it, they cannot afford it.

Wang Zheng thought that it was inevitable that students would suffer some damage during their study tour. After all, there were many places that the ancient laws could not reach, and wild beasts were rampant. So Wang Zheng instructed that they must form a team of more than ten people, be patient in advance when encountering any problems, and the teacher would take care of it for them after they come back.

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Another equally old voice sounded, "Be patient, the one behind them has shady hands, we can't afford to offend him."

Since then, students from Yuzhou have never had any problems when traveling abroad to study.

However, there are many injustices in the world, especially some aristocratic families who occupy a city or a place and claim to be kings and overlords. In ancient times, the imperial power did not extend to the countryside, and the enforcement of Tang laws was quite difficult.

With the mathematical attainments of the students in Yuzhou, it was natural for them to find problems when checking the accounts. Combined with Wang Zheng's questioning method, Wang Zheng had already sent the evidence to Chang'an before the court could react.

The young teacher from Yuzhou is a good man. Not only does he treat patients for free, he also teaches children to read and count for free. As long as you send the children to study for a year or two, they won't have to do hard labor anymore. At least a lot of shop owners will be vying to hire them as clerks.

So now, although people who see these shabby carriages will avoid them, they will also cast inquiring glances, which makes the people in the carriages feel a little uncomfortable, but there is no good way to deal with it.

After several people entered the room from the broken courtyard, a slightly younger voice sighed, "Back then, we thought that the students from Yuzhou had mastered the true teachings of that person, so we took action.

Today, several shabby carriages pulled by skinny horses came to Pinghefang. These carriages appear in Pinghefang from time to time. The people living here have long been accustomed to it. However, the young man from Yuzhou said that these were important people and asked everyone not to bump into them.

The price Wang Zheng got in return for being confined to his house was that all the officials and aristocratic families along the Yu Shui and Yangtze River were wiped out. Those who committed heinous crimes were put to death, and those who harmed Yuzhou students were put to death. The rest, women and children, were left in Yuzhou and strictly disciplined. All adult men, both old and young, are still working in Yuzhou to open mountains and build roads, and some have already died of old age from the overwork.

If you can grit your teeth and support a child to study for three to five years, the child can at least be a shopkeeper when he or she graduates. If the child is talented and is noticed by the young teacher from Yuzhou and recommended to go to Yuzhou, that would be even better. Not only will the child have a bright future, but the family can also receive a monthly subsidy that is enough for food and drink for a family of five.

"Those people from Yuzhou are really annoying. They spread our identities everywhere. Every time I come here, I feel uncomfortable because of their bitter looks."

The carriage drove directly into a dilapidated courtyard, and several people wearing cloaks and hoods came out. They were wrapped so tightly that people couldn't see their faces clearly. An old voice sounded.

When Wang Zheng learned about this, he was furious. Among the students who were able to go out to study in the early stage, most of them were taught by Wang Zheng himself, and most of them were taught by him again. Wang Zheng had some impression of these people, and they were the elite of Yuzhou.

As a result, less than a month after the 300 students from Yuzhou set out, the news that came back was that most of them had been killed or wounded. Some were dead, some were in prison, some were recovering from injuries, and some had disappeared.

Hearing this, everyone fell silent.

Thirty thousand Ba warriors left Yuzhou. Wang Wu led ten thousand people up the Yangtze River, Chen Fengning led ten thousand people up the Yu River, and Wang Zheng led ten thousand people down the river.

Wang Zheng’s request was that wherever the students went, they should bring back all the aristocratic families, local officials, and government account books and take them to Yuzhou for careful review.

If the noble families and officials of this era were to be investigated seriously according to Tang law, none of them would be clean, and it would not be considered unfair even if all their property was confiscated and their clans were exterminated.

Some of the six million people on the farm were slaves of these wealthy families.

In the early days, students from Yuzhou mainly went to three places: along the Yu River to Hanzhong and then to Chang'an, up the Yangtze River to Yizhou, and down the Yangtze River to Jiangnan.

Two years after Wang Zheng settled in Yuzhou, some people from Yuzhou began to travel around the world. Some did business to make money, some preached to spread Wang Zheng's knowledge, and some worked as officials to benefit the people.

There are a group of Yuzhou students in ordinary markets in Chang'an City, and they are even more eye-catching in extraordinary markets.

As a result, less than a month after the 300 students set out, 200 of them met with accidents, and the life and death of several teams were unknown. How could Wang Zheng tolerate such a thing?

Most of the students in Yuzhou Department are teenagers. Under Wang Zheng’s education, they believe that the world needs to be reasonable and can be reasonable.

"What the hell is the truth? Knowledge can be passed on, but how can innate knowledge be passed on? Those things seem very simple when explained thoroughly, but no one in the world can figure it out. What can we do?"

"It's really terrifying to be born with knowledge. The most important thing is that the emperor and Wu Shi tolerated him."

"Hehe, if I have such a treasure, even if it is several times more excessive, I can tolerate it. That person is a saint, and a useful saint. Even if one day, hehe, I will not touch him."

"Indeed, Confucius and the like are just like that to you and me. We praise him highly in words, but as for him in our hearts, well, if I had to choose, I would choose that one even if there were a hundred Confucius piled together."

"Don't talk about that anymore, let's think of a way to deal with this matter."