This sentence silenced the powerful people present.

No matter how proud they are, they know a very simple common sense - human beings, who claim to be the "spirits of all things" and "rulers of the earth", are in fact far less powerful than they boast of and can completely rule the entire earth.

So far, more than 90% of human beings still live in 1% of the earth's surface area, and would rather crowd these areas with favorable weather and suitable environment like beehives than unwilling, unable and afraid to advance towards the vast and poor mountains and rivers.

Not to mention, most of the plateaus, deep valleys, deserts, rainforests, and seas, including the underground, are not suitable for human survival at all.

It is not so much that humans are the rulers of the earth, but that they are prisoners of the earth, trapped in a small cage by their own weakness.

"Destroy all intelligent life underground", a clever sentence, but in practice, how to do it?

If human beings had a way to completely eradicate snakes, insects, rats and ants, they would have done it 800 years earlier, and would they have to wait until today?

Even ordinary rats can't be completely exterminated, so what confidence is there to talk about completely eradicating the rat civilization?

"I admit that the rise of intelligent life underground is indeed a great challenge to human civilization on the ground, and it is immeasurable difficulty to completely contain the threat from the underground - this is an unprecedented threat, it is simply an enemy from another dimension, and it is different from the threat from the immortal cultivation world and the illusion world that we once imagined."

Guan Shanzhong said with a solemn expression, "However, because the enemy is difficult to destroy, I simply don't destroy it, and I don't even think about how to eliminate it, what is the difference between covering my ears and stealing the bell, and burying my head in the sand and treating it as a threat to an ostrich that does not exist?"

"Chu Ge, I'm not saying that the rat civilization will definitely become the enemy of human civilization, what I want to say is that if we want to eliminate the threat from the underground, now is the best time, the further it drags on, the threat index and the difficulty of elimination will increase by geometric progression, the reason is very simple, because the other party's fecundity is too strong.

"In the case of sufficient resources, ordinary rats can mature in a few months, and can produce several litters of cubs a year, these cubs will not take a few months, and they can join the breeding army, so it is commonplace for one to two, two to four, four to eight, and the whole rat colony to expand a hundred times in a year.

"Suppose that there are one million rats active in the ground of Lingshan City now—according to the calculations of zoologists and environmentalists, this number is still far underestimated, then, if it expands a hundred times a year, it will be a whole 100 million, two years, three years, can you imagine the number of rat civilizations in three years?

"The opportunity is fleeting, if we hesitate a little, aren't you afraid that after a year and a half, the entire underground of Lingshan City will become a world of rats?

"When the time comes, no matter what these ...... The rat clan, who are brave and fearless in your mouth, and can understand emotions and wisdom, whether it is good or malicious, they have no choice but to rush to the ground and use their fangs and claws to seize a new living space for their children and grandchildren! ”

Before Chu Ge was completely sober, the information he said intermittently had already been highly valued by his superiors.

Countless sociologists, zoologists and psychologists have come together to discuss the possibility of rats forming a civilization.

Assuming that the "rat civilization" really exists, the most striking advantage is undoubtedly its unrivaled reproductive ability.

The overwhelming number and the intelligence comparable to human beings are definitely the most terrifying threat to human civilization.

All of you are adults, long past the age when things are judged by "good" and "evil."

It doesn't matter if the rats are "good" or "evil".

The important thing is that between their exploding numbers and the scarcity of resources underground, there will inevitably be an irreconcilable contradiction that will drive them to point their battle flags to the ground, even if it is the "gods" they once believed in that ruling the ground cannot stop their desire for survival.

Therefore, many strong people nodded one after another, agreeing with Guan Shanzhong's judgment and worries.

At the same time, they stabbed their sharp gazes at Chu Ge, wanting to know whether Chu Ge was confused for a while, the woman's benevolence, or his thoughtfulness.

Chu Ge thought about it for a long time.

What Guan Shanzhong was worried about was also what he was worried about.

His eyes were not blind, and he could naturally see how terrible the rat tide was with the mountain and tsunami - perhaps even more terrible than the insect tide of the same level.

However, after going deep into the Fang Kingdom and learning about the social form of the rat civilization, Chu Ge had a deeper insight into this issue.

"Major Guan and everyone's concerns are naturally very reasonable, but, on the other hand, can we reach such a consensus?"

Chu Ge said with blazing eyes, "The biggest threat to the rat civilization is its number, only by forming an overwhelming rat tide, it is terrifying enough, if it is just one or two little mice awakening wisdom and cultivating into refinement, there is nothing terrible at all?" ”

Everyone looked at each other, and Guan Shanzhong nodded on behalf of everyone: "Of course, the lone monster, we have found a lot, even if it is a giant beast that overturns the river and the sea, is it not in front of our missile destroyer and aircraft carrier formation, obediently tied up, or beaten to the head of the rat, and has to flee to the deep sea to lick the wound?"

President Yu and Director Mu also said that the authorities can open up the net for lone monsters, whether it is an extraordinary association or a special investigation bureau, including some special forces within the military, in fact, there are examples of raising monsters and letting them serve humans, and they don't have to be wiped out.

Chu Ge said again: "So, if it's not one or two mice, but 10,000, 100,000 or 350,000 mice with intelligence, do you think they must be able to pose a serious threat to human civilization?" ”

"This ......"

Everyone frowned.

"It seems that everyone doesn't think that three and a half million intelligent rats will definitely shake our great civilization, so the key issue is the quantity, if there is a way to limit the terrifying reproductive ability of the rat race, we may not necessarily choose the most extreme route." Chu Ge said.

"That's true, but how can we limit the number of rats, can we still shine a flashlight in them and distribute safety supplies to people when they hide in the depths of the earth and sneak around for the night?" Guan Shan said a cold joke with an expressionless face.

"That's the key to what I'm going to say, I found that everyone has fallen into a misconception - everyone thinks that since ordinary mice are so capable of giving birth, mice that have awakened their wisdom will definitely inherit the same degree of reproductive ability and willingness."

Chu Ge said, "However, according to my observations, this speculation may not be true. ”

Everyone was slightly stunned, and there was a "buzzing" discussion in the ward.

President Yu's eyes lit up, and he leaned over and said hurriedly: "Chu Ge, you make it clear, what do you mean!" ”

"If you think about it, take human civilization as an example, our fertility rate has never been static, but is constantly changing with the continuous development of the economy and society."

Chu Ge said eloquently, "Generally speaking, the poorer you are, the more chaotic you are, the lower your level of civilization, the worse your medical conditions, and the more precarious you are and the more wars are raging, the more you have to live."

"And the richer and more stable, the better the medical conditions, the more advanced the civilization, and the higher the pursuit of people beyond the material, the lower the fertility rate.

"In the era of global war two or three hundred years ago, it was all too common for a woman to give birth to three or five children, five or six children during the entire childbearing period, and there were many people who gave birth to a dozen children, and finally raised two or three children, so when the medical conditions were slightly better, countries around the world experienced the era of 'population explosion', and it was normal for the population to double or quadruple in just a few decades.

"But how have you ever seen a 'population explosion' that will last for decades, hundreds of years, and continue to explode? Often when the number of population and economic development reach a certain limit, a pair of invisible hands will turn on the switch, and the fertility rate will naturally become lower and lower.

"Today, it is the same, like Lingshan City, which is in the core area of the alliance, known as the land of ointment, where resources are not particularly scarce, people's enthusiasm for childbirth is not high, often one or two children, two or three children are the limit, but in the wild places of the alliance frontier, those lawless and turbulent places, people will work hard to give birth, and they will not be able to raise or live at all, and they have to give birth to ten or eight before they stop.

"Of course, there are very deep political, economic, social and even moral and ethical factors in this, so I will not talk nonsense, but just elaborate on such a fact.

"If someone takes the fertility rate of the alliance border and the wild land and puts it on the heads of the young citizens of Lingshan City, wondering why they are unwilling to have more children and more blessings, this kind of idea is naturally ridiculous.

"So, looking back and thinking about it carefully, do you really think that the rat clan that has awakened their wisdom will still reproduce indefinitely like the traditional rats, those 'poor relatives' who are despised by them?"