Over the years, the strategic focus of my father has always been on economic construction, and the sons of the emperor have also felt a lot about this eastward journey, and the changes brought by the railway to the Tang Dynasty are not only superficial, but the greatest significance of the railway lies in the strategic aspect.

When Erchen went to Xingyang before, he was still very puzzled, Xingyang's economy is not developed, the industry is relatively single, why did his father choose to build this route?

But after this series of time, Erchen somewhat understood.

Although the strategic focus of my father over the years has been on the economic side, in fact, there has been no relaxation in military arrangements.

The official road from Chang'an to Luozhou can increase the normal speed of traffic, and at the same time, it can also increase the marching speed of the army.

The same is true of railways, which can carry tens of thousands of soldiers out in just one night, and they can reach the battlefield thousands of miles away in just one day.

The ancestors said that the soldiers are expensive and fast, and the combat effectiveness of the Tang Dynasty soldiers is not a problem at all. Li Chengguang was not frightened by the scene on the Xingyang construction site the day before yesterday.

And judging from the performance of the past two days, it obviously doesn't look like it's pretending.

This point made Li Yuanji very surprised and surprised, that kind of scene, for an eight-year-old child, even if he didn't cry in fright, he should be scared and overwhelmed, right?

But it is clear that these symptoms did not appear in Li Chengguang's body.

On the contrary, after returning to Chang'an, Li Chengguang just rested for the night to dissipate his exhaustion.

Then he began to make every effort to sort out his thoughts on this trip, and it is not surprising that Li Chengguang said these words, which can basically be said by some people who are in the Tao.

But to Lee's surprise, he was only eight years old, and if no one told him these words, it wouldn't be a simple problem.

"What would you do if I asked you to make the decision?" Li Yuanji looked at Li Chengguang thoughtfully.

Listening to Li Yuanji's question, Li Chengguang was slightly nervous, relieved himself slightly, forced himself to calm down, and said: "Erchen will let the Ministry of Industry make statistics to find out how much steel can be used at the moment, and how much railway construction can be supported at the same time, and will let the Ministry of Household and Qianzhuang jointly issue bonds, and then make every effort to build the railway."

Erchen once asked Yan Shangshu, Yan Shangshu said that his father's strategy was to temporarily build two cross-cutting railways, one east and one west, one south and one north, but Erchen felt that this was not enough, Erchen felt that in the north and south, at least two east-west railways should be built, and in the east and west, two more north-south railways should be built, so that several cross-staggered railways, like a huge fishing net, no matter where the fire occurs, the imperial court can take care of it in a short time, so as to avoid the spread of fire.

Railways can also accelerate the development of commerce and promote the flow of people, which is of great help to the economy, and more importantly, the development of the railway network means that prices have fallen, which is also a top priority. ”

Li Chengguang said these points, which made Li Yuanji listen to it with relish.

The head of the planning is the road, there are appearances, and even, this is the most basic overview of the railway lines before the opening of the high-speed rail network in later generations.

Is the role of railways significant?

It's big, it's unimaginable, and countries with complete railway lines, whether it's for the economy or the military, always have a head start.

And if there is a railway leading directly to Liaodong, will Yang Guangsan's expedition to Goguryeo still fail? I'm afraid I can beat it down in one go, right?

The railway can transport not only a steady stream of supplies over, but also a steady stream of soldiers.

Tired? Tired of fighting? It doesn't matter, hold on for a few more days, and after a few days, I'll send you home to rest for a few months.

With such a method to fight, can Goguryeo resist? Even if they have a geographical advantage, they can't bear it.

For details, see the counterattack against India, why do you want to withdraw your troops after you win it? Why the rapid withdrawal?

The answer, of course, is that the supplies can't keep up, there is no railway, and you can only rely on a dangerous and steep road to transport, while India occupies a geographical advantage, if you don't retreat, those who go out will be left there, and victory does not mean that there is no shortage of materials.

But now go and see, hard resistance? Confrontation? As you like, the Qinghai-Tibet Railway can transport thousands of tons of materials over, even if you shoot guns and fire guns every day, you can resist playing like firecrackers.

The same thing.

Li Chengguang can think of this, Li Yuanji is indeed very pleased, but gratification does not mean brainless support, let alone the need to praise vigorously.

Slowly, Li Yuanji put away the smile on his face and changed to a rigorous attitude.

"Do you know Zhao Kuo?"

"Zhao Kuo?" Li Chengguang's face was stunned for a moment, and then he remembered someone, and these faces became even paler: "Father refers to Zhao Kuo of Zhao State?" ”

"Yes!" Li Yuanji nodded.

Now Li Chengguang is completely stupid.

Who is Zhao Kuo? Well-known!

On paper, it is this Zhao Kuo.

If you just say that you are inexperienced, the problem is that this old man Zhao Kuo is not only inexperienced, but also extremely pretending to be forced and confident, and the price directly paid for this is 400,000 Zhao troops, which directly led to the destruction of Zhao State.

Now when Li Yuanji was teaching himself, he put forward Zhao Kuo, what does it mean? Do you still need to guess?

"Is Zhao Kuo talented? Yes! It's a great talent! His talent far surpasses that of any contemporary celebrity, but why did Zhao Kuo end up like this? I summed up four words for him, I am too proud! Li Yuanji unceremoniously judged historical figures.

With his current status, he is fully qualified to make such an evaluation.

Of course, the purpose of judging is not to discourage Li Chengguang's enthusiasm, but to make him deeply aware of the problems, realize his own problems, and take them as a warning.

Before deciding to establish the crown prince, Li Yuanji would never think about these issues, but now it is different, he must consider these, and he must let a relatively perfect prince take the throne, which is good for the Tang Dynasty, for the Li family, and for his bloodline in this world.

"On paper, it is also a manifestation of strength, Zhao Kuo's fault, the root of the fault is not entirely in himself, the failure of the Battle of Changping, Zhao was killed 400,000 main troops, this responsibility, Zhao Xiaocheng King and Zhao Kuo should each bear half of the responsibility, Zhao Xiaocheng's fault is that he can't see people, as a monarch, other talents can be temporarily ignored, but you must be able to know people, to put it more popularly, is to make the best use of things.

Just like those parts on the train, each part has its use, if you change places, although it is possible to use it, but after all, it affects the train itself, the general is in charge of the military, and the civilian is in charge of politics, which is also a method.

And Zhao Kuo's fault is that he is too arrogant, always thinking that he has great talents, he dares to look at everything, ignore all enemies, and do not treat them as real enemies, and this attitude, this kind of thinking, directly caused even Zhao Kuo himself to be unable to realize his own problems.

How can a person who can't see his own shortcomings, a person who doesn't believe that he has shortcomings at all, can succeed? Li Yuanji patiently decomposed, in short, there are two meanings.

As an emperor, as a monarch, you must be discerning about people, if you can't do it, then strictly abide by the system, don't mess around, don't think about letting the officials of the Ministry of Industry manage the accounts of the Ministry of Households, and don't let the officials of the Ministry of Criminal Affairs go to the Ministry of War to manage the military.

A radish and a pit, what kind of talent, what kind of thing.

The other is to warn Li Chengguang that he should never feel that he is the most perfect, that he has no shortcomings, that he must always introspect himself and always see his own problems.

Only in this way can we continue to self-learn, self-improve and self-improve.

Education is just a goal, using other people's examples as analogies, and the image is the image, but I always feel that something is missing.

Li Yuanji continued to speak: "What you said earlier is very good in theory, but in fact, I can tell you with certainty that at least more than half of them are unusable. ”

Li Chengguang is digesting Li Yuanji's analysis just now, and comparing himself to reflect on himself.

When Li Yuanji began to analyze the example, Li Chengguang instantly put away his thoughts and listened quietly.

These teachings are extremely rare, for so many years, Li Chengguang has never seen his father say such a thing to anyone, Li Chengguang naturally knows and cherishes.

"It is feasible to build an east-west railway in the north, because the north is mostly plains, and it is possible to annex the state to the east, and if you do more work, it is not impossible to build it in the annexation state, but it is too difficult. The southern construction can be simply abandoned.

With the Chang (An) Hai (Zhou) Railway as the center, where is the southern line built? The Changhai Railway was built along the Great River, but was the Southern Line built along the Yangtze River? But have you ever considered that the Yangtze River is not a big river, the big river has a lot of sediment, and it is not convenient for long-term navigation, but the Yangtze River is extremely suitable for navigation, if there is a whole water transport route, it is equivalent to a direct southern east-west canal, in this case, what else to build a railway?

In the east, it can be built, even in a state capital not far from the coast with a larger population, which is more convenient for the circulation of goods.

But the west, which is also mountainous, and also has to consider the composition of the soil, some of which are hard ground, suitable for construction, some of which are loose, and mountain rivers, how can this be built?

I'm not denying your idea, it's that it's unrealistic at the moment. You can continue to hope for the idea, but the decision cannot be made lightly without absolute technical support.

Meals should be eaten in one bite, the road should be walked step by step, everything must be done within one's ability, and remember to pass but not in time. ”