My father, Li Shimin, requests Your Majesty to become the Retired Emperor.

Empress Zhangsun sighed softly: "Think about how difficult it was for your father to establish the Tang Dynasty. You could say he faced nine deaths and one life. The hardships he endured are beyond your comprehension."

Now that you have become the crown prince, you will naturally become the emperor after your father passes away.

But remember, brothers should not be bullied by outsiders.

If you two brothers were to fight, it would truly be a pain for your loved ones and a joy for your enemies.

Seeing that internal conflicts had arisen among us, the kingdoms of the Western Regions wanted to profit from it and carve up the territory of the Tang Dynasty.

During the Spring and Autumn and Warring States periods, Duke Xian of Jin favored Li Ji.

His sons fought and attacked each other.

In the end, Chong'er became Duke Wen of Jin, and the situation in Jin gradually stabilized, but it had already been severely weakened.

The same applies to Sun Quan during the Three Kingdoms period. In the end, why was Eastern Wu destroyed by Wei?

Is it unrelated to the power struggles among Sun Quan's sons?

Their infighting weakened the entire nation.

This was also a major reason why they were destroyed by the State of Wei.

Let's put aside the distant past and talk about the more recent past: how did the Sui Dynasty perish?

Is it not related to the power struggle between Crown Prince Yang Yong and Prince Yang Guang?

If Crown Prince Yang Yong successfully inherits the throne, although he is not as intelligent or outwardly ambitious as Yang Guang,

He was a very good ruler who maintained the status quo.

If that's the case, it probably won't be so easy for your father to seize the throne.

These are all examples right now.

You must remember this well.

Upon hearing this, Li Chengqian was filled with emotion, for he knew that his mother was well-versed in the classics and history, and was extremely knowledgeable about the events of the previous dynasty.

It must be said that what the Queen Mother said makes some sense. The decline of many countries was due to discord among brothers, and these are lessons learned in blood.

Li Chenggan replied respectfully, "Your Majesty is absolutely right. Please rest assured, Your Majesty, such a tragedy will never happen between me and Qingque."

Empress Zhangsun looked at Li Chenggan with kind eyes: "I know you are a kind-hearted and very magnanimous person."

Recently, I've also noticed that Li Tai likes to compete and always wants to argue with you.

"But you always give in, and I see it all; I know you've suffered a lot."

Li Chenggan waved his hand: "Mother, that's nothing."

Looking at the vast palace, Empress Zhangsun sighed and said, "I've been feeling very lonely lately. I heard that Xu Hui has moved out of the palace."

"Yes, Mother!"

"Hasn't your father been favoring her a lot lately?"

She can practically have everything she wants right now, so why would she want to move out at this crucial juncture?

Upon hearing Empress Zhangsun's words, Li Chenggan's mind was turned upside down. He realized that his mother still cared about Xu Hui and was very sensitive to things happening in the palace.

"I am not entirely clear about this matter either. I suppose Consort Xu must be feeling a bit bored in the palace and wants to go out for a walk to clear her head."

"Many things don't come out of thin air. Xu Hui must have her reasons for doing this."

My intuition tells me that the harem is unlikely to be peaceful again.

"Mother, why do you say that?"

"Consort Xu has only moved out for a while, so how can you say that the harem will not be peaceful?" Li Chenggan said casually.