"I saw it, I saw it." Holding a yellow and clear long copper pipe, Chong Guiyi stood in the attic of the outer courtyard of Zhaodefang and jumped and jumped.

She looked excited, bouncing around, and there were several children, both men and women.

Wow, the little peach got down from the railing, carrying the long tube in her hand behind her back, looking like a good girl.

Yang Tianai said strangely: "Taotao, what's wrong, what's wrong, what did you see?" ”

Chongguiyi gave her the long cylinder in his hand, pointed to the front and said, "Nuo, you can see for yourself." ”

Yang Tianai looked curiously, the scenery in the distance seemed to be in front of him, and he saw his beloved father-in-law rushing here with a few students behind his back.

Yang Tianci, who was basking in the sun on the side, asked lazily, "Sister, what's wrong?" ”

"Father... Dry... Godfather is back. Yang Tian was warm in love, and said in a somewhat cramped tone.

Yang Tianci suddenly made a carp, and he and a group of miscellaneous scientists in the outer courtyard used the guidance of their father-in-law to make this clairvoyant mirror.

In fact, the Han people have been playing with lenses for thousands of years, and there is even a method of processing ice into spherical lenses in "Huainan Wanbi Technique", and Zhang Heng of the Eastern Han Dynasty also used lenses to observe the moon. Zhao Xihu, a native of the Song Dynasty, once talked about in "Dongtian Qinglu" is glasses, but the glass was too expensive by the Arabs, and glasses were not popularized in the Northern Song Dynasty.

With Yang Lin explaining the principle of combined use, distinguishing the difference between the lens used in the eyepiece and the objective lens, and his Zhaodefang has a transparent crystal supply, several miscellaneous scientists and Yang Tianci together, after many tests, finally created the world's first "telescope".

Now that the father-in-law has come back, he is just going to ask for a reward, even if he doesn't give anything, letting the father-in-law boast a few words is what Yang Tianci has longed for since he was a child.

As soon as Yang Tianci ran, several children followed him and jumped downstairs.

At the gate of the outer courtyard, Yang Lin took two students, namely Yuwen Xuzhong and Ma Kuo.

"I have already promoted the two of you as envoys in front of Your Majesty to send envoys to Daliao."

The two of them glanced at each other, and they both saw the excitement in each other's eyes, Yang Lin paused, found a stone bench in the courtyard, sat down and said, "What do you think about the battle of Jinliao?" ”

As soon as he heard that his teacher was going to test himself, Ma Kuo plucked up his courage and said first: "The students think that the strong tribes of the grassland have always taken advantage of the situation. in Han for the Huns; With the Tang Dynasty as the Turkic, the end of the Tang Dynasty is still the Khitan; Now that the Jurchens are like a rainbow, they will be able to defeat the Khitan in one fell swoop.

In this way, my Great Song Dynasty should form an alliance with the Jin people, send troops to recover the land of Youyan, and the shame of Taizong's Northern Expedition. ”

His voice was loud, his face was flushed, and he was obviously Top Gun, so he wanted to do something big.

Yang Lin was not in a hurry to deny him, and asked Yuwen Xuzhong: "Shutong, what do you think?" ”

Yuwen Xuzhong was not in a hurry to answer, but patted his senior brother on the shoulder and said, "Zichong, although what you said has some truth, but when I think about it carefully, it is also quite risky.

That Jurchen is so ferocious, how many innocent people have been killed in the Huanglong Mansion, and all ethnic groups have suffered from it, obviously the brute heart has not been eliminated, and the beastly nature has overwhelmed human nature.

The Khitan is different, although they are also barbarians, they already have laws, etiquette, and shame.

If we work with the Jurchens to destroy the Khitan, we will only have the land of Youyan, but the Jurchens can easily swallow the entire Great Liao.

When the time comes, how can they not want to go south and get involved in this flowery country. ”

Ma Kuo's eyes widened, and he was about to refute, but was dismissed by Yang Lin's pressing hand.

Yuwen turned his head to Yang Lin and said: "Teacher, the student thinks that for the Great Song Dynasty, it is better to protect the mediocre and declining Great Liao than to promote a Jin Dynasty with an imposing rainbow.

The Liao people have declined to this point, if they can block the Jurchens for us, then the Great Song Dynasty will take Youyan, just like probing for things.

If the Jurchens accidentally defeat the entire Khitan, it will be difficult for us to return to Youyan. ”

Yang Lin used his eyes to signal Ma Kuo to continue speaking, and he pulled his trademark big voice and said: "Teacher, don't miss the opportunity and never come again, instead of looking ahead and fearing the rise of the Jurchens, it is better to take this opportunity to bring Youyan back first." Anyway, no matter what alien race is outside the gate, they all have to fight with us, and if we take back Youyan, we will block it, and the water will cover it, no matter who he is, it will be a showdown. ”

The conversation between the two students in front of him, Yang Lin pondered it carefully and tasted it.

Yuwen has a long-term vision, is good at planning in advance, sees deeply, thinks carefully, and has a plan. It is no wonder that in the later life, he was able to be the national teacher of the Jin Kingdom, and almost let him steal Qinzong back and restore the north.

And Ma Kuo is good at seizing the opportunity in front of him, he is a general, but he can't be the prime minister.

After making up his mind, Yang Lin smiled and said: "Your Majesty and I, we are inclined to Shutong's words, Zichong, you will be the deputy envoy this time, and everyone who listens to Shutong more." ”

Although Ma Kuo was not convinced, he still had to listen to his teacher's words, and the two of them hugged their fists together and said yes.

At this time, a group of children ran over, Yang Tianci didn't speak, my sister snatched the clairvoyant mirror from behind, and took it out as if offering a treasure to her father-in-law, and explained for a while.

In her opinion, the man in front of her was handsome, smiling at herself, as if a piece of spiritual light flew out, covering her eyes, and the whole person was full of cocoa, and she didn't know where she was.

Yang Lin looked at the little girl's cuteness, and couldn't help touching her head, Yang Tianai was half overpowered, and her body was suddenly half crisp.

Yang Tianci saw that it was his own sister, and he didn't care about her stealing credit, so he added with a smile in the back, saying that the head was the way.

Yang Lin picked it up and looked into the distance, there were still some flaws, but he could already see far away.

He smiled, handed it to Ma Kuo, and said, "My teacher often tells you that everything in the world is knowledge, and everything in the world contains infinite natural knowledge. You see, this clairie mirror was made by them who studied and pondered it. ”

Both of them experimented, and they were amazed, and they were even more convinced that Yang Xue was the truth.

If you can see thousands of miles, then sanctification is not impossible.

Yang Lin looked at the two beloved disciples and said with a smile: "Okay, what you have to think about right now is still to focus on Jin Liao." Go back and clean up at once, and I will select a few capable officials for you in the court, and go to Beijing with you.

When you arrive in the Khitan, you should not be rash, and you should give priority to state affairs everywhere.

Be tough in official affairs, and don't lose the face of the Great Song Dynasty. In private, you should be humble and courteous, give more gifts, pay more bribes, buy as many Khitan ministers as possible, and it is best to mingle with the Khitan nobles, and rest assured that money is the teacher.

Eat, drink and have fun in Shangjing, and all accounts can be reimbursed.

Only in this way will there be people available to us who need you to do what we need to do, and we will have a clear idea of what we need to do. ”

Ma Kuo was a little uncomfortable, but Yuwen Xuzhong remembered them one by one, and the two of them said goodbye and left together.