Philosophy is a science among sciences, the highest collection of all sciences, and can guide the direction of human progress. Donglizi started directly from philosophy and understood its way. It was indeed an order of magnitude higher than Wu Sheng's starting point, and he completed it. It seems to be faster, because there are only sixty characters in the heavenly book in total.
But Wu Sheng was miserable. He started from theorems of specific disciplines one after another. How many cloud patterns would this have to produce? However, his mentality is very stable and he does not worry about it. He believes that his way of practice is more open and his worldview is more inclusive. He is no worse than Donglizi and has a brighter future.
Dong Lizi's understanding of gold in the sea cannot guide Wu Sheng. Specific issues still need to be analyzed in detail and he still has to think hard.
In this regard, Dong Lizi made a suggestion. He hoped that Wu Sheng would give him the next heavenly script while comprehending the gold in the ocean of heavenly script, and start both sides at the same time. This would save more time, but Wu Sheng refused. .
Replacing one with another is the fairest thing to do. No one should take advantage of anyone. When I understand Haizhongjin, let’s swap with the next one. This is Wu Sheng’s simplest idea.
Therefore, Dong Lizi seemed more anxious than Wu Sheng. In the process of Wu Sheng's serious understanding, he took the initiative to think, plan in advance, actively make suggestions, and have the courage to take responsibility.
"After a point outside the straight line, there is and is only one straight line that intersects it! Do you think this is it?"
"Nonsense! How is that possible?"
"If there is a parallel, there will naturally be a crossover."
"Try it yourself..."
"Look...huh? It's true...there are many..."
Donglizi went into the forest to hit pine cones for a while, and then rushed back excitedly: "Try this again: after two points, there is only one straight line!"
"...This is a good one, but I have already understood it. Old-timers can do it. They are very capable of self-study. Thumbs up!"
"Have you realized it? What do the words in this heavenly book look like?"
"That's right... Haha, I almost fell into your trap! I'll tell you after I understand your gold in the sea!"
Donglizi laughed and went to the woods to hunt pine cones again. When the evening came, he rushed back excitedly: "There is another one, the shortest straight line between two points!"
Wu Sheng stared at him for a long time: "Senior, are you involved in two points? But let me correct you, that's called a line segment."
"The thread is broken? Well, that makes sense. Cut it off at both ends. If it's broken, just break it. Do you think I understood it correctly?"
Wu Sheng pulled a piece of silk handkerchief in the alchemy room and marked two points. Dong Lizi connected them with his pen: "Look, a straight line...the broken line is the shortest. I have tried it. Everyone has to go around in circles!”
Wu Sheng slowly folded the silk handkerchief and passed it through with a thin branch: "Is yours shorter or mine?"
Donglizi was stunned for a moment, holding his head and saying in pain: "How could this happen? I should have thought that this is an escape method. I have been thinking about it all afternoon, and it turned out that I was wrong..."
Seeing how much pain he was in, Wu Sheng felt sympathy: "Actually, it's not wrong. The line segment between two points is the shortest. This is plane geometry. Well, it is true on the plane anyway. It is rare for seniors to be able to think of this. .”
Dong Lizi asked: "Is that right or wrong?"
Wu Sheng nodded: "That's right."
Dong Lizi urged: "Then try it, can you understand it?"
Wu Sheng said: "I have understood it a long time ago."
Donglizi's eyes flashed: "Little bastard, didn't you say, well, your so-called friend only saw two words in the heavenly book? You are full of lies!"
Wu Sheng smiled and said: "It is true that I only saw two of my friends, but this junior also has another friend."
Although he did not get the next heavenly script, the old man's joy was beyond words - he was convinced that Wu Sheng had more than one heavenly script, because he believed that Wu Sheng must have many friends.
Seeing him running into the woods again, Wu Sheng chased after him: "Don't always think about two things, you can try three things!"
Dong Lizi turned around and asked, "What do you mean by three o'clock?"
Wu Sheng replied with a smile: "Senior, you can go to Nulu when you have free time. You will know when the time comes."
Just after saying this joke, he suddenly fell into deep thought.
Of course Donglizi did not go to Nulu, but he went to Qianshan and sneaked into a disciple's house without searching, and directly found a picture scroll on the disciple's desk.
Picture of a Lady’s Hairpin, written by Master Wan Tao Valley.
Wan Tao Valley Master is good at painting pictures of ladies, and the pictures he paints of ladies are very distinctive. For example, in this one, the famous hairpin flower has hairpin flowers, and only hairpin flowers.
After lying on this picture and studying it for half the night, the old man's back and legs ached. Then he returned to the back mountain manor and ran to Wu Sheng excitedly again: "I understand, I understand!"
Wu Sheng woke up from his deep thoughts: "What?"
Dong Lizi broke off a branch and made a gesture on the ground: "Extend each side of the triangle upward to form a triangular pillar!"
Wu Sheng asked curiously: "What triangular pillar?"
Dong Lizi said: "Isn't this a triangular pillar? Look, the two arms extend up from two points, and the back extends up from the point below. Two people form a triangular pillar from these three points!"
Wu Sheng was stunned, then suddenly laughed, pointed at Dong Lizi and said, "It's okay, old man, but you really went? Haha!"
Dong Lizi said angrily: "I didn't go, I found a picture and figured it out myself! Are you still laughing? Isn't this for your early enlightenment?"
Wu Sheng stopped laughing and said: "Yes, yes, it's my fault... Haha... This is called a triangular prism. Well, it's good to understand this, but it has nothing to do with the gold in the sea."
Dong Lizi asked: "How do you know it's irrelevant?"
Wu Sheng said: "I just realized this cloud pattern. Objects have three forms, gas, liquid and solid."
Regarding this avenue, Donglizi was very interested and asked Wu Sheng for a long time. He kept asking Wu Sheng until dawn and said, "We can't talk about it anymore. This avenue is very interesting. It is more interesting than straight lines and three points." It’s interesting. If we continue talking for three days and three nights, we won’t be able to finish it. Let’s talk about it later. Quickly, take out the second celestial script text that your friend saw!”
So Wu Sheng used his true energy to reveal a new cloud pattern: "Have you seen it before? Is it the same as what the predecessors have already understood?"
Donglizi was very excited: "No, no! New, new! Thirty-eighth! Come on, tell me, what's the truth?"
Wu Sheng said: "It's the theorem that my senior helped me verify before - the line segment between two points is the shortest."
Dong Lizi smiled and said: "No matter how you look at it, it has nothing to do with the disconnection... It doesn't matter, just keep filling in the blanks!"
Three days later, he filled in the text of this heavenly book into "Ping Di Mu". After understanding the words in this heavenly book, the old man's Yintang shone a little, and his energy and energy increased. Wu Sheng was surprised to see: "Senior, does your way of practice bring about the effect of rejuvenating youth?"
Dong Lizi said proudly: "It's incidental, it's just incidental. Come on, I'll write another one, you have to hurry up!"
