"Baji".

Whether it was the little eunuch beside Du He or the old eunuch behind Li Er, everyone knelt down.

Especially the little eunuch, his face turned purple, and his head was like his own, and he slammed on the ground: "Your Majesty, your majesty is wronged, it has nothing to do with the villain."

The emperor's food was found to be poisonous, and something big will happen.

Li Er's face turned pale, not because of a few eunuchs, but because of Du He.

Reason told him that this kid was just trying to make trouble, and that any egg is poisonous, it is nonsense.

Not to mention how the eggs with skin were poisoned before, even if someone could really get poisoned into the eggs, I would have no idea how many times I had been poisoned to death, and I still have to wait until now.

But experience told him that if the silver needle turns black, the eggs will inevitably be poisonous. This is the truth that has never changed forever. After all, if silver needles test arsenic, one test is accurate, and there is never a mistake.

After struggling, Li Er glared at Du He in anger and said, "What the hell is going on? Give me an explanation."

"Your Majesty, don't be so nervous. This is actually an interesting little experiment. It is intended to remind you of superstition of silver needles to test poison. This method is actually not reliable." Du He stood up and bowed to Li Er very elegantly.

Then, he came to the little eunuch who was about to smash his head, reached out and pressed his shoulder and said in a harmonious voice: "Don't be afraid, this time it's not your fault, I will explain it to you later."

Good man!

Du He, dressed in white Confucian uniform, looked elegant and peaceful in the eyes of the little eunuch, like a humble gentleman, his shame gradually showed his head and sobbed: "Mr. Fengyu, the villain had been negligent before. The adults ignored the villain's faults, and the villain could not repay him..."

Du He smiled faintly and ignored him.

It's almost enough, just a little person. It's normal for a dog to see a low person, how can you hold grudges?

Turning to Li Er who was still waiting for his explanation, Du He talked freely: "Your Majesty, the reason why I said that silver needles are useless is that silver needles can only test poisons containing sulfur at most. The principle is that when pure silver comes into contact with sulfur, a chemical reaction will occur, producing a substance called silver sulfide, causing the silver needle to turn black quickly and produce a terrifying effect.

However, there are so many poisons in this world. Poisons containing sulfur are only a mere part of them. Others such as neurotoxins, hemolytic toxins, blood circulation toxins, biotoxins, etc. There are several major categories, and each category has different numbers of subcategories, which cannot be tested by silver needles. Putting all hope on silver needles is definitely a mistake for others and oneself.”

Are there so many poisons in this world?

The old eunuch who was responsible for serving Li Er's daily life was almost pierced into the floor tiles. He had never even heard of the names of poisons Du He said.

This is a dereliction of duty. It seems that if you have the opportunity, you must read more, live and learn until you are old.

While Li Er was afraid, his eyes when he looked at Du He became a little different, full of appreciation and comfort.

What a good child, for my safety, he would risk his lord and father to show up and correct the poison test method that has been passed down in the palace for countless years.

All this is for me and for the royal family.

Unfortunately, I misunderstood that he was a petty eunuch who thought he was deliberately embarrassing him. I was so ashamed.

To be honest, Li Er doesn't care how Du He knows so many things. What he cares about is whether people who know these things can use them for their own use.

After all, Du He could not have said this, but now that he has said it, it proves that this kid is not going to hide anything. For Li Er, this is enough.

Waving his hand and signaling everyone to get up, Li Shimin said to Du He with a smile: "Du He, you are very good."

At first, Du He was worried that Li Er would ask him how he knew this. He had already thought about it, but he didn't expect that after waiting for a long time, he scratched his head and said, "Uh..., Your Majesty is a mistake. This is what the empress should do, and you should not praise him like this."

Li Er nodded and said nothing.

After such a small episode, a crisp sound of horse hooves came from outside. Li Er, who had been thinking about horseshoes, suddenly lost his interest in continuing to eat when he heard the sound (or maybe scared). He got up and walked out of the house. When he passed by Du He, he said lightly: "Come with me."

Du He wanted to say that he hadn't finished his meal yet, but when he saw that Li Er had left, he had to get up and follow.

Outside the imperial study room, the groom of Shang Cheng Bureau brought a brown war horse with a bright and graceful color. When he saw Li Er coming out, he quickly saluted: "Your Majesty, the horse's hooves have been put on. Please check it out."

"Yes." Li Er responded, first around the horse, but then he didn't see him preparing. He just pressed his hands on the horse's back, and he was like a strong eagle, with his bare horse's back on his body.

The war horse was frightened, and a long neighing sounded, and human power rose up. Under the horrified eyes of Du He and others, the front hooves stepped in the air a few times, turned around, and after landing, they rushed out amid Li Er's laughter.

"Wow..."

In the entire square in front of Liangyi Hall, the sound of steel and stone slabs hitting each other.

Li Erchu didn't dare to speed up, after all, the ground in the palace was made of stone, and if the speed was too fast, it would easily hurt the horse's hooves.

But as time went by, Li Er found that there seemed to be no discomfort when he sat down on the war horse, so he began to accelerate little by little. Gradually, the square in front of Liangyi Hall could no longer run.

Li Er simply plucked his horse's head and headed out of Liangyi Hall. The scenery around him flew away, and the speed of the war horse became faster and faster. In the eyes of the imperial guards on duty in the palace, the brown war horse was almost like an arrow from the string, and it was like an arrow hitting the arrow.

Li Er hasn't been so happy for a long time. After running on a horse for so long, he can be sure that Du He took out the four iron pieces to solve the problem of horse hooves cracking.

Unexpectedly, I didn’t expect that this inconspicuous broken iron piece could really solve the big problem. No wonder that the boy dared to take it out and mortgage it to me. I guess he wanted to use this thousand guan to make a large batch and sell it out.

You can't say it. If this is the case, it will really make him make a fortune. If it is far away, at least he can pay off the debts his family owed before.

After all, the cost of four iron sheets will not exceed twenty cents at most. If you sell them for one hundred cents, the profit will be four times the profit.

The cost of one thousand guan and the profit of four thousand guan is very cost-effective no matter how you think about it.

If the operation is done properly, and the four thousand guan is thrown into it, it will be 16,000 guan. So many horseshoes can basically cover all the war horses of the Tang Dynasty.

However, how can I leave such a magical thing to him with a child to make trouble? If it is learned by foreigners on the grassland, wouldn’t it be more of a battle force?

After riding a horse around the palace, Li Er returned to the front of Liangyi Palace and jumped down from his horse.

Du He immediately met and asked with a smile: "Your Majesty, what is the result of the experiment? Are you lying?"

"No problem." Li Er's expression was heavy, and he looked at Du He: "However, this thing is a country's important weapon. Since it has been escorted to me, don't think about redeem it."

"Ah? Your Majesty, you, you can't do this."

Du He was very anxious and thought Li Er was going to break the bridge across the river and didn't plan to pay for it.

If this happens, it will be really bad. It would be better to give it to him directly at the beginning.

Looking at Du He's sad face, Li Er also felt that he was not kind enough to compete with a child for something. He hesitated for a moment: "I will never give you anything again, and you don't have to think about going back and creating it privately, and then going out to sell it for money. However, as compensation, I can give you another thousand guan. From now on, this thing has nothing to do with you."

Alas, hey?

What's the meaning?

One thousand more cents as compensation?

"What, but I feel like I'm losing?" Seeing that Du He didn't answer, Li Er asked again.

Du He reacted and shook his head quickly: "Uh, no, no, I'm sorry, I thank the Lord for your kindness, Your Majesty, shines thousands of miles..."

Li Eryi waved his hand: "Okay, there's no need to flatter you. I'll give you a handwritten order later and take it to the inner palace to get the money."

...

In the evening and in the sunset, Li Shimin and Changsun walked together at the Qianbuluo Lounge of the West Sea Pond, and talked about today's treasures with great enthusiasm.

In the afternoon, the General Manager built more than ten pairs of horseshoes according to his instructions. After installation, more than ten horses were crossed across the rocky beach for nearly a moment. Afterwards, the horseshoes were not damaged at all.

"Awesome, Guanyin Bi, how did Du He grow up his head? Four iron pieces solved the problem that plagued the cavalry for thousands of years. Tsk tsk, after a thousand years, there have been countless capable people, why didn't anyone think of wearing shoes for a horse?"

"Erlang can compare it to the horses, put shoes..." Empress Changsun's gentle voice sounded: "But, did Erlang not find that things are strange today? That little guy Du He is afraid that he will be so happy that he can't sleep when he goes back."

"Oh, what do you mean?" Li Shimin looked surprised, looking forward to Empress Changsun finishing her words.

Empress Changsun pursed her thin lips and smiled slightly: "Erlang, I don't know anything else, I only know how to make something that costs 20 cents. I will never buy it for 100 cents. Even if I want to buy it, at most I just buy one set. I'll just copy the others."

"Uh..." Li Shimin thought about it and soon understood what Empress Changsun meant: "Guanyin Bi, what do you mean is that Du He will definitely not be able to sell this horseshoe?"

"That's definitely not possible. You don't know what the veterans in Beijing are all about. How could they just buy money for a few pieces of iron. As for selling them to ordinary people, they are not fools. I'm afraid that after buying one, they will sell them all over the streets when they go back."

Li Shimin stopped and was stunned for a while. Finally, he realized why Bai Tian felt something was wrong. He slapped his forehead and said laughing and crying: "What a good Du He Du Erlang, he actually deceived me. This kid came to the palace with horseshoes, and clearly came to offer treasures. The so-called borrowing money is just taking the opportunity to seek rewards..."

Empress Changsun covered her mouth and chuckled: "Erlang is just happy to see the hunter, and the authorities are confused. If you consider the problem from another perspective like me, you will not be taken by that sly boy."

Li Shimin nodded and then sighed: "Young people are so terrifying. I just think that the Du family will fall a lot after leaving. I never expected that Du He will emerge from a new force. At a young age, he planned to plot against Yuanchang the previous time, and this time he made a coincidence to get two thousand guan of money from me. I am afraid that the court will not be lonely in the future."

"Didn't Erlang feel sorry for Du Pushe's death half a month ago? I'm afraid he's fulfilled his wish today!"

"Hahaha..." Li Shimin's hearty laughter shocked the fish swimming in the pond.

"What did Erlang laugh at?"

"I laughed at the Du family's children who were so happy today. Isn't my two thousand guan of money so easy to get." Li Shimin seemed to have encountered a cunning fox hunter, and his eyes were narrowed: "I won't bully him this time. He will use a move, and I will give him a reward. If he can really overcome this disaster, I will issue an order to betroth Xiao Shiqi to him and make a strong voice for him. If he can't get through it... Humph."

Empress Changsun couldn't help but smile bitterly: "Erlang, is this really good? Du He is a child after all."

Li Shimin shook his head: "Child? In the vast Chang'an City, there are countless princes and grandsons. Whose child is so scheming? Guanyin maid, don't underestimate that boy. I even have a premonition that even if I take action personally, it may not be difficult to defeat him."

"Really?" Empress Changsun was really a little startled this time, her eyes circulated, and she asked curiously: "Why don't Erlang plan to deal with the boy of the Du family?"

Li Shimin smiled: "Haha, this is a coincidence. Xuanling only talked to me in the morning. Du He had asked him yesterday afternoon and planned to transfer Du Gou, who had not yet gone to Dengzhou to take office, from Dengzhou. I am preparing to follow the wishes of Du He and transfer Du Gou to Lizhou Prefecture on Shannan West Road to serve as a Lizhou Special Administrative Officer."

Queen Changsun was immediately amazed and crying. If I remember correctly, the governor of Lizhou was the father of Li Yuanchang's two followers, Wu Shishi, who sent Du Gou to his hands... I'm afraid that Du He would be broken by the eldest son of the Du family.
Chapter completed!