The nobles of the royal family, the princes and princesses, when freeloading, there was no self-restraint and etiquette to speak of.
Because there were guests, as the in-laws, Ruyi and Xiao Huan were eating in another room. Li Xuan looked at the bubbling hot pot on the stove and was very curious. He had never tried this kind of eating method. He did not stand on ceremony with Li Yi, scooped up a piece of mutton and stuffed it into his mouth.
He was so hot that he breathed like a dog, but he was reluctant to spit it out. His face was red and it took him a while to recover.
MIngzhu was like him, a piece of tofu was already in her chopsticks. Seeing Li Xuan's appearance, she let it cool for a while before eating slowly.
Li Yi was a little distressed. In the early winter weather, fresh vegetables were extremely difficult to find. Even if there was, the price was relatively high. And because it was stored in the cellar, the taste and nutrition could not be compared to fresh vegetables.
Therefore, the weekly hot pot was mainly mushrooms, accompanied by tofu, carrots, meat, and very few cabbage and vegetables. Unfortunately, this time, Li Xuan and the others happened to come.
After swallowing it with great difficulty the first time, his stomach burned. Li Xuan learned his lesson the second time. He first placed the food he scooped up into a bowl and waited for it to cool. Then, he looked at Li Yi with satisfaction and said, "This is the first time I've tried eating this way. Tomorrow, I'll have the chef from the Wang Estate come over and learn. I'm sick of eating that stuff all day."
This method of scooping food directly from the pot was very suitable for this cold weather. After eating delicacies for so many years, one would be tired of it. It was good to change the taste occasionally.
Li Xuan, who had freeloaded at Ruyi Restaurant many times, felt that the food cooked by Li Yi was more to his taste than the food in the Wang Mansion. He really did not know whether the imperial chefs that Uncle Huang rewarded to the Wang Mansion were real. If Li Yi went to the Wang Mansion to be a chef, eating every day would be something to be happy about.
Li Yi didn't know that the guy in front of him was already thinking about poaching him. He was busy scooping out some of his favorite dishes. If he was a little slower, he wouldn't be able to eat anymore.
Halfway through the meal, MIngzhu caught a glimpse of a wine jar on the bedside cabinet. Her eyes lit up and she stood up. Before Li Yi could remind her, she had already opened the jar and gulped down a mouthful of wine.
Li Yi helplessly rubbed the space between his eyebrows. That was the alcohol he used to disinfect his wounds, and its concentration was more than 70% …
MIngzhu Li put down the wine jar and her face flushed red.
"I'm tired, I'm going to sleep for a while …"
After that, she lay down on Li Yi's bed and no longer made a sound.
"When did MIngzhu's alcohol tolerance become so bad?" Li Xuan murmured doubtfully. Then he waved his hand and said, "Don't worry about her. Since we're free, let's talk about that, that binary quadratic equation system …"
Li Yi felt that he had almost forgotten everything that he had just said.
He didn't even understand binary quadratic equation. He probably wouldn't have the ability to solve binary quadratic equation in this lifetime …
After two hours, Li Xuan finally left with satisfaction.
Although there were some things that he hadn't figured out yet, it was only a matter of time. Today's trip had been rewarding. Both his body and mind had been greatly satisfied.
MIngzhu Li also left. She was carried away by the old woman that he saw last time.
When the old woman carried her up from the bed, she even looked at Li Yi suspiciously, as if he had done something improper to the princess. This made Li Yi rather depressed.
He could do it to anyone but not to her. If he accidentally hurt his hand, it would be too late to cry.
After the two finished eating, they wiped their mouths clean and left, leaving behind a mess. Xiao Huan had to clean it up.
The young prince kept his promise and moved quickly. In less than two hours, a guard had delivered two hundred taels of silver to him.
He asked Xiao Huan to send the silver directly to Ruyi. The key to the small treasury was kept by Ruyi. Li Yi usually only cared about earning and not spending. When he needed money, he only needed to let her know. No matter how much Li Yi needed, she never asked where the silver went.
After eating, it was not appropriate to lie down immediately. He went to the courtyard to digest the food and guide Ruyi. With Li Xuan's intelligence, it was impossible for him to figure out Arabic numerals and quadratic equations in such a short time. He should not bother him for the next two days.
At this time, in King Ning's Mansion, Li Xuan, who had just returned to the mansion, looked at an old man in front of him with concern. He asked, "Is Teacher Wu feeling better?"
Opposite Li Xuan, the old man with white hair and beard stroked his beard and said, "Thank you for your concern, Crown Prince. I am fine."
Then, the old man sighed and said with great sorrow, "I never thought that the big and small stones would fall at the same time. I have been wrong all my life …"
"Teacher, do not worry. Humans are not saints. We cannot know all the truths of the world." Li Xuan comforted him, "Moreover, the world is so big. There are many things that we have not thought of, such as …"
"Haha, Crown Prince's words are reasonable. Even saints cannot avoid mistakes, not to mention us mortals." He did not expect the Crown Prince to say such things. The old man was very pleased. It seemed that the Crown Prince had improved a lot under his guidance. He would be able to answer to the Prince in the future.
He asked with a smile, "Like what?"
Li Xuan smiled slightly, "For example, Teacher thought I was going to give an example."
"…"
Looking at Teacher Wu's dull expression, Li Xuan felt very happy.
The trick he learned from Li Yi was really practical!
The old man could not stand Li Xuan's sudden change. After a short moment of shock, Teacher Wu's old face showed some embarrassment. He said, "Since the Crown Prince is back, let's start today's lesson early."
The old man had obviously recovered from the shock of the morning and was dutifully finishing the lesson that he had missed.
Li Xuan was not interested in the old man's lesson about calendars and astronomy. It was not only because it was boring, but also because there was an important reason.
What Teacher Wu said was very different from what he had learned from Li Yi.
He looked at the old man and said, "I still have one thing that I do not understand. I hope Teacher can explain it."
"Crown Prince, please speak." Teacher Wu was even more pleased. It was a good thing that there was a question. It meant that the Crown Prince had listened to what he had taught.
"Teacher once said that the sky is like a hat and the earth is like a chessboard. Does this mean that the sky is round and the earth is square?"
The old man nodded and said, "The sky is like a dome and the earth is like a chessboard. It means that we should complement each other. This is also the core of the Yin-Yang Theory of Taoism."
The old man had a deep understanding of Taoism all his life. The saying that the sky is round and the earth is square was the embodiment of the Yin-Yang Theory. Naturally, he would not doubt it.
"I wonder if Teacher has ever seen a sail on the sea?" Li Yi suddenly asked.
The old man did not know why the Crown Prince would ask such a question, but he still nodded and said, "When I was young, I traveled the four seas. Of course, I have seen it."
"Then I wonder if Teacher still remembers what part of a sail you first see when it comes from the sea?" Li Xuan asked again with a smile.
"The mast, of course," the old man said without hesitation.
At this moment, he was even more curious. What was the Crown Prince trying to ask?
Li Xuan smiled and said, "If the earth is as flat as a chessboard, shouldn't you see the whole ship? Why do you see the mast first?"
"Unless … the earth under our feet is round …" Li Xuan stretched out his palm and made an arc.
"This …"
The old man was shocked and wanted to argue. However, when he opened his mouth, he realized that he could not provide any evidence.
"Absurd, this is simply absurd …" The elder's face darkened. This was something passed down from his ancestors, so he naturally would not believe that the knowledge of the past few decades was wrong. If the Crown Prince's words were to spread, he was afraid that he would become a laughing stock and lose face for the royal family.
Li Xuan's expression became somewhat displeased. He was trying to reason with the other party, yet the old man didn't answer him directly and kept saying that he was babbling nonsense and pestering him endlessly — this was Li Xuan's fault.
"If Teacher still has doubts about this, I can give you a few more examples …"
Teacher Wu's heart had already begun to waver. When he heard what Li Xuan said next, for the first time, he doubted what he had learned all these years. His body trembled, and his face became paler. He no longer cared about his status and shouted, "Shut up!"
If he allowed Teacher Wu to continue, the faith he had built all these years would collapse …
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