Zhang Zheng reluctantly came to the gate of the East Palace, and the guards of the East Palace took Zhang Zheng who was lying on a stretcher from the hands of the little servant in Zhang's house.

The upper study room is a place dedicated to teaching the prince's knowledge, and Li Shimin's other children, and even the children of other royal clans, all attend classes in the south study room of the Guozijian.

Therefore, there are countless teachers in the huge study, and there is only one student, Li Chengqian.

But today, this imbalance has been broken.

"Ao can't be long, you can't follow your desires, you can't be satisfied, and you can't be happy. The sage respects it, fears it and loves it. Love and know its evil, hate and know its good. Accumulate and disperse, and be safe and can relocate...... "Today's lesson to the prince is the great Confucian Lu Deming, who is telling Li Chengqian about the etiquette.

"Therefore, Your Highness, being a human being and studying are all connected, and you must always maintain a respectful and humble heart in order to grow up and become a talent. Your Highness can remember? ”

Li Chengqian replied respectfully: "Thank you for Master Lu's teachings, Chengqian will remember it, and I will not dare to forget it for a day." ”

At this time, Li Chengqian was still the gentle, humble, shrewd, studious, and civil and military praise of the Manchu Dynasty, and no one would doubt that Li Chengqian would not be a wise monarch in the future.

After Lu Deming finished telling the etiquette, Zhang Zheng on the stretcher also happened to be carried into the upper study by the guards of the East Palace, and the sun had just risen outside the window.

Seeing Zhang Zheng's appearance, Lu Deming frowned slightly, and then slowly unfolded, and when he passed by Zhang Zheng's side, he showed an elusive smile to Zhang Zheng on the stretcher.

But he did not speak, nor did he say goodbye to the prince, but put the scroll under his arm and walked straight out of the upper study.

"Brother Zheng'er, why did you come?" It wasn't until Lu Deming's back disappeared outside the door that Li Chengqian showed a look of surprise at meeting his old acquaintance in a foreign country, and reproached.

Then he changed his voice and said, "You look like this, are you here for class?" I heard that you were knighted yesterday, it's amazing, congratulations. ”

Looking at Li Chengqian, who was talking with a happy face, Zhang Zheng said helplessly: "His Royal Highness the Prince, we only met yesterday, and this happy appearance can be accepted." ”

"Oh, I guess yes, okay." Li Chengqian was stunned for a moment, and then quickly restored the image of a gentle and frugal prince.

"What is there to congratulate a county man, your noble crown prince congratulates me on being made a baron, tsk, do you know what this meeting looks like?"

"Like what?"

"It's like a rich man holding a golden rice bowl congratulates me, a broken beggar, on picking up a broken bowl."

"Ah, Brother Zheng'er, your face, the title is a national weapon, why did it become a broken bowl in your mouth?"

"You just say that the image is not imaged." Zhang Zheng said impatiently.

"The image can be said to be very vivid." Li Chengqian replied with a smile and a smile.

"Ahem." A cough interrupted the two men's unnourished nonsense.

An energetic old man watched Li Chengqian and Zhang Zheng chatting with interest, and the two of them were lying on the ground and the other was kneeling.

"Ah, the student has seen Master Li." Li Chengqian hurriedly got up and saluted.

Zhang Zheng raised his head and saw that he knew this old man, but he didn't know him very well.

The person who came was the young master of the prince, and Li Gang, a generation of famous ministers who was nicknamed the prince's nemesis in later generations.

Why later generations jokingly called him the crown prince's nemesis, mainly because Li Gang's life is too legendary.

First, he served as the crown prince of Yang Yong, the abolished prince of the former Sui period, and Yang Yong was poisoned by his younger brother Yang Guang, Emperor Yang of the Sui Dynasty.

Later, he was appointed as the hidden prince of this dynasty, and Li Jiancheng, the prince of Xiwang, was the prince of Shaobao, but Li Jiancheng was shot and killed by his brother Li Shimin.

In the original history, he served as the prince and prince of Li Chengqian, and finally Li Chengqian rebelled and was abolished in a street fight with Li Tai, the king of Wei.

It is said that the lessons of the past and the future are the teachers of the future, and there are the lessons of Yang Yong and Li Jiancheng.

I don't know what Li Shimin thinks, he doesn't have the appearance of a teacher of the future at all, but he still sent Li Gang to the East Palace to teach Li Chengqian, is he afraid that Li Chengqian will not die fast enough?

Zhang Zheng's mind quickly flashed through Li Gangqi's life. At the same time, he greeted him: "Student Zhang Zheng, I have seen Master Li, please forgive the kid for being injured and not being able to pay full courtesy." ”

"Hehehe, it's okay, it's okay, it's quite interesting for the two children to joke in front of you, but the old man, I'm disturbing your Yaxing." The old man said with a smile.

"If you're not done talking, you can continue, and let's start the class after we're done."

"Huh?" Zhang Zheng and Li Chengqian were stunned when they heard this.

Then he nodded like a chicken pecking rice: "After chatting, I also ask Master Li not to think that the students are dull and not to give advice." ”

"Okay, let's get started." Li Gang said with a smile.

Zhang Zheng rarely blushed from the old man, and compared the title of the country's heavy weapon to a broken bowl, and was heard by the old man on the spot.

Zhang Zheng thought that with the old man's strong and upright temperament, he would scold him when he heard such almost rebellious words, but he didn't expect Li Gang to just smile and didn't bother with him.

"Doesn't history say that Li Gangqi has an old-fashioned temperament, is strong and square, and is outspoken and daring to admonish? This smiling little old man is not at all in line with the unsympathetic prince nemesis recorded in history. Zhang Zheng thought wildly.

The two of them pricked up their ears and their faces became serious, ready to listen to the old man's teachings.

After all, no matter how much later generations ridiculed Li Gang, no one ever questioned the knowledge of this old man who dedicated his life to learning.

Whether it is Zhang Zheng or Li Chengqian, although his personality is a bastard, his heart is not bad.

What's more, the fine tradition of respecting teachers has long been engraved into the blood and bones of the two.

"Hehehe, the two boys don't have to be so serious, the old man can hear the two children ridiculing the title.

Then the content of today's lecture will not talk about those boring and boring knowledge.

The old man will go beyond his behalf, talk about the ancient times for the doctor of the country, and tell you the origin of this title. Li Gang touched the snow-white long beard that was half a foot long and smiled.

"Yes." Zhang Zheng and Li Chengqian hurriedly bowed to the old man and replied respectfully.

"It is said that after the Zhou Dynasty Shang, he was called the Son of Heaven, and there were five kinds of titles: duke, marquis, uncle, son, and male, which was the gift of the Son of Heaven to the noble relatives.

The system of titles and titles of the three generations often varies from time to time. For example, at the beginning of the Han Dynasty, Liu Bang not only crowned the prince as the king, but also crowned seven meritorious heroes as kings............

When Emperor Wen ascended the throne of the previous dynasty, the five titles became customized, and the system of our dynasty followed the former Sui, which was based on the five-title system for all meritorious heroes......"

Li Gang's slightly hoarse voice sounded slowly in the upper study, obviously chatting about the ancients.

But it was said in simple terms and fascinating, Li Chengqian and Zhang Zheng were unconsciously addicted to it, and traveled to various dynasties with Li Gang's voice.

It seems that he saw the birth of the title with his own eyes, and even how it evolved in later generations, and finally changed from his ancestry, and restored the fifth-class knighthood system of the Zhou Dynasty in the former Sui period.

Lao Li Gang has been talking about the Zhou Dynasty to the previous dynasty, and the core content has always emphasized the evolution and importance of the title.

This is two hours.