Li Ke felt the changes in these people, or from another point of view, Li Ke suddenly understood why after the modern theory and technology were full, science and technology would explode in modern times, not just the war promoted the outbreak of science and technology.

Looking at human civilization, it can be said that war runs through every civilization from beginning to end, and the history of mankind is a history of war, and there is nothing wrong with this, whether it is Chinese or foreign.

So it is true that war is the catalyst of science and technology, but why did human science and technology basically not change much in the first three thousand years, but on the contrary, there was earth-shaking and leapfrogging progress in the next two or three hundred years?

Even without the catalyst of war, the progress of science and technology will be a hundred years slower at most, and it will not be slower.

And now, whether it is Zheng Lin or Fang Xuanling, they have given the answer.

When human knowledge lights up some basic theories, it is like opening a blind box of wisdom for human beings, and human wisdom is bound to undergo a leap.

For example, the first great leap forward in human science and technology was when humans emerged from the crowd of animals and became the masters of the planet.

And what is the root cause of the first big leap in technology? That is language and writing.

The advent of language and writing has given human beings a second signaling system, which has laid the foundation for the first floor of human science and technology, allowing human beings to become masters from countless lives.

Then there is the human cognition of society, the thinking of self, and the preliminary cognition of all things in the world, which has made human science and technology have made a second progress.

The third is more detailed, basic mathematics, basic physics and chemistry, the basic principles of all things in the world, so that human civilization has stepped into the third stage of rapid development and built the third foundation.

From the perspective of later generations, we can all see that when the principle of some things is clarified, many scientific and technological products will appear naturally, which is the importance of improving the basic theory.

And now Li Ke has built this basic theory in Datang, the basic theory is not only science, but also the liberal arts, but it is not easy to be summarized and summarized.

The system of modern civilization and the discussion of social development are the basic theories of this kind.

Li Ke has unconsciously passed on a lot of these in Datang, so it is very normal for this group of smart people who are the first to come into contact with this knowledge, and after they have mastered these theoretical knowledge, they will begin to expand themselves.

Just like the steam engine developed by Lu Daqiang.

The development of Datang is far faster than Li Ke imagined, because almost all of the theories he came up with are correct theories in later generations, how many detours has Datang taken?

Countless people in history have tried and made mistakes, walked out of countless detours, and crossed over to modern science and technology for more than 200 years.

Although the current Datang is still far from modern technology, in fact, the technology that has reached the stage of the appearance of the steam engine is almost the same.

And this incident also shows that the acceptance of new things by these people in Datang is high enough.

In that case...... That's a good thing!

Doesn't this mean that Li Ke is getting closer and closer to being the shopkeeper? Accept it quickly, and that's a good thing!

After thinking about it, he simply got up and walked towards the palace.

In the Liangyi Palace, after seeing Li Shimin, Li Ke spoke directly: "Dad, I'm ready to promote the Central Money Bank." ”

"Huh? Are you sure? Li Shimin was stunned for a moment, and then raised his head to look at him and asked.

"Yes." Li Ke nodded very dryly.

"You said you needed the right time to launch it, do you think the time is right?" Li Shimin looked at Li Ke and asked.

"I suddenly figured out that if there is no opportunity, we can create an opportunity, and in a few days, I am not going to prepare for the profit distribution to Datang Shipping Company? Just by the way, the Datang Central Money Village was established. Li Ke said with a smile.

"You can think you can, but currency is not the same as anything else, you have to be prepared for this, and if someone wants to do something to you, this is the best time, for example, all I can think of is to forcibly gather a large amount of currency and exchange it directly with you, if your bank can't come up with enough money, then credit will collapse immediately." Li Shimin looked at Li Ke and hesitated for a moment and said.

"Well, I know, that's the risk of the bank, but the same advantages of paper money are incomparable to other currencies." Li Ke smiled and shook his head and said, no time is a 100% perfect opportunity, Li Ke has figured it out, since their ability to accept is so strong, then give them more new things for them to accept.

This Li Ke has been carefully considered, and the money bank has launched it, which can reduce the function.

For example, for the time being, the bank only undertakes the exchange business, and the deposit and withdrawal business of large customers, and ordinary small and medium-sized customers do not have deposit and withdrawal business.

What is a big customer? At least one million or more, this is called a large customer.

In this way, Li Ke can customize something similar to a bill of exchange for these large customers through anti-counterfeiting measures such as seals, signatures, and special numbers on special paper, so that they can deposit and withdraw money in other places.

This function, in fact, it doesn't matter whether it is used by the gate valve family or other businessmen in the early stage, as long as Datang's treasury and finance, Li Ke and Datang Trust use it.

Among these three users alone, the Ministry of Finance, that is, the national treasury, is estimated to be the smallest.

As for others, they can use it if they want to, and they don't want to use it to pull it down. In addition, a simple exchange business is enough to make the money bank have a huge effect.

The so-called exchange business is that the paper currency prepared by Li Ke can be exchanged for copper coins and silver. In this way, they have enough paper money in their hands, and the stimulation of paper money for trade is unparalleled, at least for the time being, Datang's commercial prosperity needs paper money.

When Datang's domestic business is prosperous enough, it is enough to gradually open foreign exchange and other businesses.

As for the monetary system of the Tang Dynasty, Li Ke was ready to adopt the silver standard.

As for why it is the silver standard, there are mainly two reasons, first, Datang has less gold and more silver, and the amount of silver is enough for Li Ke to play the silver standard. And there is not enough gold, not that gold is not enough to carry out the gold standard, it is enough, mainly because compared to the world's reserves, Datang does not have enough gold.

Li Ke roughly calculated, the amount of gold in his hand is about 427 tons, even if it is Li Shimin's inner treasury and other aspects, plus the gate valve family did not lend to Li Ke before, it is estimated that there are about 100 tons, that is, about 527 tons of gold. This is basically all the gold that the entire Datang currently has.

On top of that, Luzon has about 600 tonnes of gold, but the 600 tonnes are estimated to be mined for at least forty or fifty years. In the past 60 years, it is only ten tons of gold a year.

Even if the amount of mining in previous years was relatively large, it was at most forty or fifty tons per year, which could be used as a reserve, but if it was directly on the gold standard, it would be counterproductive.