Li You took out a piece of paper, on which were written some numbers, these numbers, in groups, he showed this to everyone first, and asked, "If you get this paper, can you see what it means?" ”

Everyone watched for a long time, shook their heads, and said they didn't know.

Li You took out a copy of the Analects and said, "Master Fang, the first set of numbers on my paper is 426, please find the fourth chapter, the second chapter, and the sixth character of the Analects." ”

Fang Xuanling found out that it was the word "Majesty".

Then, Li You said a few more sets of numbers, and Fang Xuanling also found the corresponding Chinese characters. He read together: "Your Majesty has raised a 'great general'. ”

"Haha, that's interesting, it's a good idea." Li Shimin praised.

"This is the simplest cryptographic communication, and it can also be compiled into a special codebook," Li said. ”

Immediately, he gave everyone the relevant knowledge about cryptographic communication.

Fang Xuanling was very excited, and he said, "Your Majesty, His Royal Highness King Qi has made a great contribution.

In ancient wars, the messenger would often encounter the situation of being intercepted by the enemy, and there would often be leaks, with this coded communication technology, even if the letter fell into the hands of the enemy, the messenger was captured, and the enemy could not know the content of the letter.

It's an amazing technology. ”

"yes, yes." Everyone was amazed.

The more the eldest grandson Wuji looked at Li You, the more jealous he felt, he found that it was not only Li Chengqian, Li Ke or Li Tai, compared to Li You, the gap was really not a little bit, fortunately he supported Li Chengqian, otherwise it was really a big threat.

He praised: "His Royal Highness the King of Qi is really knowledgeable and impressed. ”

Li Shimin was accustomed to his son's ox fork, and he smiled: "Okay, what do you have any opinions about the Northwest Frontier Affairs Bureau?"

If not, so be it. ”

"The minister has no opinion." Fang Xuanling said.

"The ministers have no opinion." Everyone said in unison.

Li Shimin said: "Then this matter is decided. ”

"Father, the son still has some things to add." Li You said.

Li Shimin said: "Say it." ”

"Father, foreign intelligence personnel need to be kept secret, and their lists and details cannot be handed over to the Ministry of Officials for safekeeping.

Erchen suggested that the information of these people should be kept by the Northwest Frontier Affairs Bureau itself, and a list should be provided and submitted to the Inner Government for the record. ”

If Li You wants to consider the future of these intelligence officers, he must have their files in the government.

Li Shimin understood this and said, "Okay, let's do it." Okay, you guys retreat first, Li You stays. ”

After everyone left, Li You smiled and said: "Father, with this Northwest Frontier Affairs Bureau, the expenses are all secret, without the audit of the household department, the accounts inside are all decided by ourselves, and it is much more convenient for the sons and daughters to honor their fathers."

This method is called money laundering in jargon. ”

Li Shimin smiled: "It's really yours." ”

Li Shimin also needs private money.

The emperor is also a profession and receives a salary.

The financial expenditure of the Tang Dynasty was divided into two parts, one was the household department, which was the operating expenditure agency of the imperial court. One is the inner house, which is the emperor's private money, which includes the queen and various concubines, princes, eunuchs and palace maids, as well as various expenses for maintaining the operation of the palace.

The total amount of the annual expenses of the Inner Government needs to be approved and submitted to the Imperial Council for review, and the amount is made public.

Over the years, the economic development of the Tang Dynasty was not fast, and the total income of the inner government was not much. Li Shimin has to play an exemplary role again, donating money from time to time, and life is tight.

The emperor has no right to go to the household to take money casually, so he has to think of some other ways, so the emperors of all dynasties will accept bribes and make money in disguise.

Li You's People's Livelihood Research Institute is a self-financing unit, and he uses the money in it to honor his father Li Shimin, and others have nothing to say.

However, after all, the institute is also an official institution, and there are more and more projects in it, and the income is also increasing. It is inevitable that some people will be red-eyed, and the call for the imperial court to review the research institute has appeared.

In order to avoid problems with audits, a money laundering agency is needed. The North-West Frontier Bureau's expenditures are kept secret, and the amount is said to be how much is there, which provides a reasonable explanation for the flow of large sums of money.

Now, Li You will give Li Shimin a large amount of private money every month. Especially recently, Li You has researched new products such as glass and cement, and once they are put into the market, the money will be rolling.

Li Shimin is also looking forward to it.

Li You said: "Father, son, son suggested that this glass, for the time being, should not be sold in China, all of it should be put on the overseas market, and cheap glass should be used in exchange for a large number of materials for Datang." ”

Li Shimin said: "What to do, you can do it." ”

He now cares about his share of income, and he laughs, "How much can I get this time?" ”

Li You said a number, and Li Shimin's already big eyes became even bigger, and he said in surprise: "So many? ”

Li You smiled and said: "Father, where is this, in the future, the son guarantees that you have endless money, and Datang will become richer." ”

Li Shimin said with a smile: "Good son, you just let go of your hands and feet, I support you." ”

……

Li You is very happy, he does not have Li Shimin as a hardcore backer now, and his subordinates have mastered the two institutions of the People's Livelihood Research Institute and the Western Northern Affairs Bureau, and there is no problem at all in living a life.

After leaving the Liangyi Palace, he also wanted to take a figure-eight step with his hands behind his back, but after trying it, he felt uncomfortable, so forget it.

Suddenly, he remembered a tune and hummed: "Happy today, we ordinary people, happy today...... Well, it's a bit wrong, Lao Tzu is now an aristocrat, not a common man.

Hey, whatever, just sing a song. ”

He continued to hum and walked towards the Suzaku Gate.

"Your Highness, you have gone too far!" At this moment, an angry shout interrupted his interest.

Li You looked up and saw that it was his future father-in-law, Xiao Dongchang. At this moment, he was glaring at himself.

Li You asked, "Lord Xiao, what's wrong with you?" ”

"Your Highness, you are knowingly asking, you say, why is there no news from my family Wanyu?

If something happens to my Wanyu, I will, I will ......"

He wanted to say, I'll fight hard with you, but if you think about it carefully, it doesn't seem that Li You is all to blame for this matter.

Li You was right when he thought about it, he was busy with the affairs of the court all day long, and he almost forgot about Xiao Wanyu's affairs.

He hurriedly said, "Lord Xiao, don't worry, Wanyu will definitely be fine, and she will be back soon."

Well, I'll go find her myself right now. ”