The two then traveled to later generations multiple times.

They brought back tens of thousands of books and some products from later generations.

Yi Shuihan ordered people to use new technology to manufacture steel bars, demolished the original harem, and built a seven-story reinforced concrete building to serve as the national library.

It contains replicas of books brought from later generations.

The original copy has been sealed away separately.

The library was initially only open to officials, students, and teachers from various academies.

Only after a group of teachers capable of imparting advanced knowledge had been trained and compulsory education had been implemented nationwide was the school opened to the public.

The people of Beijing watched the library being built day by day.

Daehee is not without multi-story buildings.

Most shops on the North-South Street have two or three floors.

Seven-story pagodas and nine-story pagodas are common throughout the country.

However, these towers were all made of wood, and their construction was extremely time-consuming.

Repairs often take several years, a dozen years, or even decades.

The library was built in just a few months, and its design was so novel.

They were naturally very interested.

After the first group of people went in and spread the word that "the museum's collection consists of celestial books," their interest grew even stronger.

When they finally had the chance to go inside and feast their eyes, they were all deeply impressed.

Putting everything else aside, the world map hanging on the first-floor wall, made from Qiu San Niang's nautical log, and the panoramic view of the Milky Way that Xiao Qing Yin brought back from the future, were enough to shock them for a lifetime.

For the first time, they realized that not only were they standing on a sphere, but all the stars in the sky were also spheres, and many of them were larger than their planet.

Looking at the second floor, they found so much knowledge about agriculture, machinery manufacturing, energy, construction, food, medicine... from all walks of life that they had never even heard of.

Mastering even a little of this knowledge would be enough for them to become rich.

Needless to say, after visiting the library, all industries developed at an astonishing pace.

Just as officials and common people were worshipping Yi Shuihan, the emperor who was truly "divinely ordained," he abdicated the throne to his father.

Marquis Yong'an initially refused.

"We've finally gotten this started, and you're going to abandon it all? No way!"

The people all regarded Yi Shuihan as a god, and wished they could build temples for him and burn incense for him. How could he not want to do it anymore?

If he actually accepts the offer, he'll be drowned in public criticism.

Yi Shuihan had never revealed anything about the celestial beads and time travel before, only saying that the books were discovered during mining operations.

The common people believed this was a gift from God, which is why they called the books in the library "heavenly books".

Marquis Yong'an was skeptical, but he didn't press the matter further.

After all, the more people who know a secret, the greater the risk.

It's best to keep such a big secret to Yi Shuihan by himself.

Yi Shuihan, however, could no longer hold out.

Only the nine-eyed dzi bead of the dzi bead string still has patterns, and Xiao Qingyin may leave this world at any time.

He didn't want to be separated from her, so he could only follow her into the afterlife.

Marquis Yong'an listened to him recount the whole story as if it were divine revelation, remaining stunned for a long time.

It turns out that those books really were "heavenly books"—books from beyond the heavens.

His eldest daughter-in-law turned out to be an extraterrestrial.

This is just too outrageous!

"You didn't just make this up to trick me into shirking your responsibilities, did you?"

Yi Shuihan said nothing, but took out a tablet computer he had brought from the future and showed him a video he had taken of himself and Xiao Qingyin shopping in the future.

When Marquis Yong'an saw so many people moving around in that small square, his eyes almost popped out of their sockets.

"This...this is the future you were talking about?"

Yi Shuihan nodded and said, "Of course, you can also think of it as the immortal realm, where people can fly through the clouds, go to heaven and enter the sea, and are capable of anything."

Marquis Yong'an: "..."

Replacing it with the celestial realm makes it much easier to understand.

He watched the video for a day and finally believed that what Yi Shuihan said was true.

No wonder he didn't even want the throne, since he could go to such a place that's like the celestial realm.

But he still gave a word of advice: "Here you are the ruler of a country, able to have whatever you want. But over there, you'll be nobody, and you might even have trouble supporting yourself. Do you really want to go?"

Yi Shuihan wasn't worried about that.

According to his and Xiao Qingyin's speculation, once she returns to that side, they should no longer be like ghosts, invisible to everyone.

Although it's unclear whether it's like when she transmigrated to Da Xi, into the body of a recently deceased person, or some other way, at least she has a body.

He has practiced martial arts for many years and is quite skilled. He may not be good at programming or design, but he would definitely be fine as a deliveryman, pick up goods, or do manual labor.

The internet is very convenient there, and there are people to teach you whatever you want to learn. He's still young, so he could go to university or start a business with his savings.

They have no worries about not being able to support themselves.

—But becoming a son-in-law recognized by the Xiao family is not so easy.

However, there's always a way out. He believed that with his abilities, he could definitely make a name for himself there and make Xiao Qingyin a wealthy wife.

Marquis Yong'an sighed slightly upon hearing his reply.

Starting from scratch is not that easy.

However, he was also a man of strong emotions and understood his son's choice.

If Qingqing, like her daughter-in-law, were an extraterrestrial being who would one day return to his original world, he would not hesitate to abandon all his family business and follow her.

A business can be built again, but a loved one can never be regained.

"If you go, will you never come back?"

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