The enemy, in terms of public opinion, where is the weakest?

Without Zhu Di thinking, Jiang Xinghuo directly gave the answer.

"Heavenly reason."

"Your Majesty thinks that you have a certain understanding of Cheng Zhu Lixue."

Zhu Di nodded stubbornly, he did have a certain understanding, but this must not be too much.

However, I probably knew that the theoretical level of Zhu Di's father and son should be relatively weak, Yao Guangxiao helped explain.

"Cheng Zhu Lixue believes that there is a heavenly principle for everything."

"And in order to pursue this heavenly principle, we must pay attention to everything itself, that is, to learn from things (heavenly principle)."

"Gewu Zhizhi comes from the "Liji University": those who want to be sincere in their intentions should first know it, and then they will know it in Gewu, and then they will know it, and then they will know it sincerely, but the "University" itself does not explain Gewu Zhizhi, and the current explanation is the understanding of later generations."

In fact, here, there is already a hidden danger about the right of final interpretation, Yao Guangxiao continued.

"The Gewu in Cheng Zhu's science has two meanings."

"The first layer is to get rid of the mind, if you use the Buddhist saying, that is to get rid of greed and hatred."

"The second level is the extraordinary, that is, the understanding of the truth of things in this world, which can only be learned in specific things, but after learning it, it can be used in everything. It is not confined to one or two things, nor does it require the exclusion of all external things, but after all, the gentleman wants to be the one who wants to be qualified, otherwise he cannot know. ”

"The reason is that Zhizhi, the 'zhi' in this is the ultimate meaning, and 'knowledge' is not only knowledge, but also the meaning of knowledge and perception."

"The relationship between Gewu and Zhizhi is that Gewu is the process of Zhizhi, and Zhizhi is the purpose of Gewu. The connection of knowledge and knowledge is to achieve the ultimate in knowledge and perception by eliminating mental objects and external objects, which is somewhat close to the meaning of 'reading thousands of books and traveling thousands of miles'. ”

Yao Guangxiao's explanation of the main content of Cheng Zhu's science is very simple and easy to understand, and Zhu Di and Zhu Gaoxu and his son understood.

But I didn't get it.

Zhu Gaoxu scratched his beard and asked, "But what does this have to do with the war of public opinion?" ”

"It's all about it." Jiang Xinghuo revealed, "Cheng Zhu Lixue, whether it is Er Cheng or Zhu Xi, did not tell this 'Gewu' how it was 'Ge', nor did he explain what the 'Tianli' that 'Gewu' 'Ge' 'Ge' looked like. ”

"So." Zhu Di suddenly had some kind of guess.

Jiang Xinghuo's calm words confirmed Zhu Di's guess.

"What science can't do, science can do!"

"Science can be used in a way that everyone can understand, and it can also make the fundamental truth of 'Heavenly Principles' clear to everyone in the world through experiments and theories."

"And the first truth to prove is the truth of rain."

Jiang Xinghuo's words fell on Zhu Di's ears, which was quite deafening.

"The clouds and rain that are high above are the celestial inductions that the enemy uses to attack us, right? Is it 'Heavenly Principle' in the literal sense of the word? ”

Jiang Xinghuo's gaze suddenly sharpened.

"But Cheng Zhu Lixue, can you explain clearly, what is Chengyu's heavenly principle?"

"They can't!"

"The reason why no one can deny this set of theories is because Cheng Yu is God's ability in the traditional concept, which cannot be falsified or confirmed."

Zhu Di was slightly excited, for him, the invisible battlefield of public opinion warfare is a new challenge that is no less than going into battle to cut people.

"The national teacher has indeed talked about the truth of clouds causing rain, but how should the national teacher prove it to the people of the world?"

Jiang Xinghuo smiled faintly and said: "In the edict prison, limited by the environment, naturally it can't be proved, but this doesn't mean that it can't be proved now." ”

"The biggest feature of science is that it can be empirically verified."

"As long as you fly into the sky and artificially cause the clouds to rain, isn't that proof?"

Fly to the sky?

Zhu Gaoxu couldn't care about his beloved beard next to him, and was stunned on the spot.

Mortals, how to fly to the sky?

Zhu Gaoxu had a guess.

"-Mr. Jiang, are you going to cast the Immortal Method?"

Jiang Xinghuo was stunned, knowing that the other party was thinking badly, so he simply said: "You don't need immortal methods, people can fly to the sky." ”

Flying to the sky, since ancient times, has always been one of the ultimate dreams of mankind.

The yearning for the sky has also given birth to many beautiful myths in human beings, such as Chang'e to the moon. But that's a myth after all, not a reality.

Since the beginning of history, no one has really flown into the sky.

So when the saying of "flying in the sky" appeared in front of Zhu Di, especially when Jiang Xinghuo told him that there was no need for immortal law, mortals could fly to the sky in the same way, Zhu Di was also a little incredulous.

Is it possible that you can still give people wings and resist the wind?

"Kong Ming lantern, Your Majesty should have seen it."

Zhu Di nodded.

Jiang Xinghuo continued: "I will make a huge Kong Ming lantern in the next place, and then with the help of buoyancy, it will be taken into the air and carried people into the sky. ”

Looking at the expressions of several people, Jiang Xinghuo explained: "Actually, the truth in this is not difficult to understand, and it can also be explained by physics in the six disciplines of natural sciences. ”

Zhu Gaoxu really felt at this time that Mr. Jiang's science was quite magical, and he could explain anything.

"The reason is that the density, that is, the mass of a certain unit volume, is different in different situations, and the density of the air inside and outside the Kong Ming lantern, because of the heating, will become different, as soon as the inside of the Kong Ming lantern is heated, a part of the air will be heated and expanded, and flow out of the sphere, so that the air density inside is smaller than the outside air, so the Kong Ming lantern can fly."

Although he didn't understand it too much, Zhu Di knew from experience that Jiang Xinghuo's empirical statement was most likely correct.

Zhu Di's problem, in another aspect, is also the aspect he is most concerned about.

"Then this large Kong Ming lantern that can carry people, if it can take off and land, can't it be used for reconnaissance? Standing high and looking far away, whether it is a field battle or a siege, you can see the layout of the other party clearly. ”

"Exactly." Jiang Xinghuo nodded, "In the era of firearms, this large Kong Ming lantern can also be used as an observation post for artillery to correct the landing point of artillery shells. ”

"How did the flying Kong Ming lantern land? You can't use it once, and you have to die someone, right? Zhu Gaoxu couldn't help asking.

It's not that I can't afford to die, but I always feel like it's a bit of a waste.

"It's the same principle as going up."

Jiang Xinghuo explained: "If there is no new heat supplement, then the density of the air inside will gradually increase and slowly fall, and the person standing in the large Kong Ming lantern can control this process, so that the heat released by combustion will slowly decrease, and it will naturally land slowly." ”

Since the principle of rising and falling is the same, there is nothing to worry about, and when he thought that the Ming army would have another weapon of war in the future, Zhu Di's heart felt a trace of relief.

But Zhu Gaoxu, who was diligent in thinking, asked another question.

"But even if it is a large Kong Ming lantern, carrying people to the sky, it can land smoothly, so how can it make it rain in the sky?"

"Do you remember the principle of rain that I told you earlier?"

"Yes."

Zhu Gaoxu nodded, and repeated what he said when he told his father to "believe in science".

Jiang Xinghuo said: "Water vapor forms cloud droplets, and when the cloud droplets increase to a certain extent, they will swallow up more small cloud droplets and make themselves stronger, and when the air can't support it, it will fall straight from the clouds to the ground, becoming our common rain." ”

"The reason for the drought is either that there are no clouds at all, or that there are not enough cloud droplets in the clouds to form rain. But Jiangnan is not Mobei, it is impossible to have no clouds at all, and now the spring is dry, just because there are not enough cloud droplets in the clouds. ”

"So." Zhu Gaoxu's eyes lit up, "Mr. Jiang has a way to artificially increase cloud droplets?" ”

"Not bad!"

Jiang Xinghuo agreed with the eldest disciple's statement, and then said.

"People only need to fly to the sky on a large Kong Ming lantern, sprinkle the rain booster made by chemical methods in the clouds, and artificially make it the condensation nucleus of the water droplets in the clouds, and after the cloud droplets quickly condense around them to reach a certain volume, it will naturally rain."

Jiang Xinghuo's words were automatically translated in Zhu Di's ears.

Oh, alchemy, huh?

This is very easy to say, this has been a professional Taoist priest who has been practicing for decades.

Zhu Di said: "I will call Yuan and Zhang to come. ”

"It's easy, we can talk about it later."

Jiang Xinghuo hurriedly stopped Zhu Di, although the production of silver iodide in ancient times was not very easy, but it was not something that could be completed for the imperial power that could mobilize the resources of the entire Ming Dynasty.

The real difficulty of artificial rainfall is the production and experimentation of hot air balloons.

If you don't get this thing right, it's really going to die.

Jiang Xinghuo said to Zhu Di: "The more difficult thing is the large Kong Ming lantern, and I also ask Your Majesty to allocate the military battle bureau in the inner court and the craftsmen in the army to the subordinates for unified deployment." ”

Zhu Di thought for a while and then agreed: "Okay, I agree with you to try, but if you encounter danger, don't be reckless." ”

Jiang Xinghuo saw that the solution had been explained clearly, and then said.

"Therefore, the third aspect of the public opinion war to break the enemy is to first provoke the 'heavenly principle' about rain and how to treat things, and finally through the empirical evidence of artificial rainfall, in front of the people of the world, to completely prove that Cheng Zhu Lixue is wrong in this part, and it cannot be empirically proven!"

"And whether it rains or not has nothing to do with changing the law!"

Zhu Di agreed: "Okay, I have full authority to hand over this matter to the national teacher." ”

"Yes."

Jiang Xinghuo arched his hand and said: "And where the dispute is to provoke the counterattack of the public opinion war, it is necessary to need the imperial court's "Di Bao", which discusses the 'Heavenly Principle of Rain', and at this point, Your Majesty must instruct the cabinet, after all, the cabinet is the one who writes the "Di Bao". ”

(End of chapter)