Amid Li Er's angry curse, Li Hao fled from the palace in panic. He took advantage of the moonlight to walk on the streets of Chang'an, and looked up as he walked: "Hey, Duke Lai's Mansion? Why am I here?"

Du Ruhui, whose courtesy name was Keming, and Fang Xuanling participated in the planning of the Xuanwu Gate Incident and lived together for the first time. After Li Er ascended the throne, he was named Duke Lai.

Li Hao took his hand and stared at the gate of Duke Lai's Mansion for a while before walking over.

The two generals of the Caiguo Duke's Mansion guarding at the door saw Li Hao from afar. When they saw him coming, one of them asked, "Young Master, I wonder what the hell is there to do when I come to my Duke's Mansion?"

"Look for your master." Li Hao glanced at the general and said lightly: "Just say that Li Dejian, the son of an old friend, came to visit."

The general of the family was also a awake person. He immediately changed into a smile and turned to the door sideways: "It turned out that Shidu Li was visiting. I also asked to sit in the front hall for a while. I will report to my master."

Li Hao smiled, nodded and followed the house and walked into the Du family. He looked around and found that the literati's home was more elegant than his own. Several clusters of bamboo and a pavilion meandered through the courtyard.

Think about the front yard of my home... OK, except for the lack of weapons, it is almost like a martial arts field.

Just as he was thinking, he went to the general who reported to him and came back: "Shidu Li, my master is waiting for you in the study, please come down."

"Lead ahead." Li Hao withdrew his gaze and followed the boss behind the Du family to the back house. After a while, he walked to a small courtyard. The sound of the piano in the yard was swaying, and the faint smell of sandalwood was really comfortable to smell.

As the sound of the piano was heard, Li Hao walked into the yard and immediately saw Du Ruhui kneeling in the main hall to play the piano.

This old boss Du is a bit romantic.

Li Hao did not rush forward to disturb Lao Du, who was playing the piano, but stood at the door and waited quietly until the end of the song. Then he walked into the room: "It turns out that Uncle Du is playing the piano well, and my nephew admires it."

Du Ruhui stood up and sat on the couch not far away with the help of the maid, and asked directly: "Li family baby, you are not at home for the middle of the night, why are you looking for me?"

Li Hao came to Du Ruhui very unfamiliar with it, and found a place to sit casually, and said with a smile: "I am not going to the Three Treasures Palace for nothing. Today I am here to ask for your help."

"Help?" Du Ruhui glanced at Li Hao deeply: "Can you want me to help you plead with Your Majesty and let Feng Tie out?"

The old guy was really amazing. Li Hao raised his eyebrows and felt a little afraid of Old Du.

However, our purpose is not so easy to guess. Li Hao smiled and said, "Uncle Du was wrong. If you just want someone, you can just go there. Why bother with your big shot?"

Du Ruhui nodded: "Well, that's right. With Your Majesty's favor for you, it's really no problem to have someone. But, if you didn't ask me for help you ask for someone, then why did you come to me?"

"Well..." Li Hao hesitated for a moment and reorganized the language: "In fact, it is related to Wang Deyuan and Feng Shi. My nephew, I made a bet for Feng Shi and Wang Deyuan. I came to you to ask you to testify."

"Oh? What are you betting?" Du Ruhui seemed to be in a state of interest and asked with a straight body.

Li Hao said: "Print. I plan to let the two of them compete. Whoever prints the same thing quickly and is better."

A strange color flashed in Du Ruhui's eyes, and he smiled slightly and said, "Bibi... I want me to testify. Could you, a kid, want to cheat?"

"No, no, no, it's definitely not cheating." Li Hao waved his hands repeatedly: "I just want you to uphold the principles of fairness and justice to preside over this matter."

Li Hao said it was hidden, but how smart Du Ruhui was, how could he not hear what he meant in his words?

If there is really nothing wrong with it, you can ask it in the hall when you go to court, so why do you come to find yourself in advance?

After thinking through the key points early, Du Ruhui sank his face: "Li family baby, if you want me to help you, you'd better tell the truth."

"Oh, what do I say?" Li Hao scratched his head, looked around with some embarrassment, and finally stopped his eyes on the table not far away, pointed to the pen, ink, paper and inkstone on it, and said to Du Ruhui's maid: "Oh, who, you go write four big characters, choose the simple ones, and take them for me after writing."

The maid looked at Li Hao without saying anything. It was not until Du Ruhui nodded that she slowly walked over, quickly wrote a few words, and then took them back.

Li Hao took it and took a look: "Up, down, left, right, not bad."

After saying that, in Du Ruhui's suspicious eyes, he quickly tore off the four big words and placed them in front of him in order, big, small, more, and less.

Lao Du was confused and looked slightly dark: "Boy, what are you doing? Could it be that I'm just joking about me?"

"Uncle Du can't see it?" Li Haoruo pointed the pieces of paper with his hand meaningfully. After a while, when Old Du was almost unable to bear it, he said again: "In the past, every page of the book was printed, it was necessary to engrave the printed board. It was like the four words, styles and order she just wrote just now. If she was wrong, she had to re-carve it. It was time-consuming and laborious. After printing, the printed board would have no other use except for burning fire. Uncle Du, isn't I right to say this?"

"That's right." Du Ruhui nodded, his eyes fell on the paper, as if waiting for him to continue talking.

Li Hao did not let Lao Du wait too much this time, and said happily: "Since the whole board is so troublesome, why don't we just carve a single word?"

As he said that, Li Hao picked up the paper on the ground: "If these are fonts, we can place the individual characters in the order we like, up and down, left and right, up and left, up and left, up and left, up and down and right..."

While talking, Li Hao arranged the order of the paper back and forth. After the arrangement, he smiled and said, "The important thing is that this will not cause waste. If you use it this time, you can take it out and use it again next time."

Du Ruhui's face changed so much. He stood up suddenly, covered his heart with one hand, and pointed at Li Hao with the other: "You, you..., this... how did you think of this!"

"Uncle Du, what do you think this is called movable type printing?"

Du Ruhui's excited temple veins all came out: "What do you like to call me? Let's go, go immediately, go to the palace with me, and report this matter to Your Majesty quickly."

"Hey, wait, wait, Uncle Du, don't be excited, don't be excited." Looking at Old Du like that, Li Hao was afraid that he would get a cerebral hemorrhage for a moment, so he comforted him and said, "Actually, I think it's better to print the book through this method and tell His Majesty. After all, there is no typographical model now, and it's useless to tell His Majesty.

Du Ruhui waved his hand: "What's the difficulty of font model? Just find a craftsman to carve it."
Chapter completed!