Wang Mai picked up a scattered ear of herbs from the ground, put it under his nose and sniffed it: "I once heard a saying that some people say that life in the world is a process of continuous trade-offs. Pen "Fun" Pavilion www.biquge.info We Chinese have a saying, lost in the east corner of the harvest of mulberry elm, people emphasize that there are gains and losses, everything is not forced, the moon is a loss, this is the so-called golden mean, right? ”

The old Taoist priest looked at Wang Wheat strangely, the title Chinese is used when it is used by foreigners, and it is rare to call himself Chinese, but he has been in contact with Wang Wheat for a while, and naturally knows that his words are eclectic, so he opened his mouth and replied: "The predicate of the Mandate of Heaven is sex, the predicate of nature is the Tao, and the predicate of cultivation is teaching." Those who are also in the Tao must not be separated from it; can be separated, not the way. The Tao is different for everyone, the Tao is the Tao, the Tao is the Tao, and what can be said is not the Tao. ”

Wang Mai scratched his head, the old Taoist priest said very much, life is inseparable from the Tao in the world, but the Tao can't be spoken, what is said is not the Tao, what does the Tao mean? Trying to shake his head: "There is a problem below, everything is to pursue cause and effect, the boundaries in my heart are clear, there is no vague concept, this may be my way." ”

Sun Simiao smiled: "If you have a way in your heart, you can reach the mean, it doesn't matter what you do, the most important thing is ......" The old Taoist priest pointed to his chest and smiled silently.

Master, Wang Mai sighed, sure enough, there are some Zen machines in the words. Quickly brought the topic back: "The way of the Taoist is probably to save sentient beings and eliminate diseases?" That's why you reject the magnanimity of those high-ranking officials, lest your way be tainted with worldliness and impurity? ”

The old Taoist priest just smiled incomprehensibly after hearing this, and did not answer.

Wang Mai continued to ask: "I can do what I want for fish, and I want for bear's paws, there must be trade-offs, is there a way to get both?" ”

"If you don't know how to choose, you may get nothing, don't be too greedy." The old Taoist priest shook his head and said.

"There are some things that you can't do both," Wang Mai nodded, and handed the ear of herbs in his hand to the old Taoist priest, "But some things can be the best of both worlds." ”

Sun Simiao was puzzled and looked at the medicine spike: "The stamen of this hop flower is used for medicine, but the medicine spike is not of great use, so it can only be discarded." ”

"Not necessarily," Wang Mai said with a smile, "In my opinion, this ear of medicine is the most precious ......."

When the old Taoist priest heard this, he lowered his face: "Following your young age and full of knowledge, why should you be greedy for power?" Lao Dao said two words that dig out his heart, you may not like to hear, the royal affairs are not something that you can meddle in as an outsider, it is better to sink down and study knowledge, so as to leave a legacy to future generations. ”

Wang Mai sighed, who said that the old Taoist priest was just a medical doctor who lived in seclusion in the mountains and forests, the old man was the real great wisdom, and he broke through his current situation with one word, which was the same as Lao Xu's advice to himself. Ashamedly, he saluted the old Taoist priest: "I am not a person who is greedy for wealth and nobility, but the way in my heart must be on this road, thank you for the Taoist leader." ”

The old Taoist priest shook his head helplessly: "You are so self-conscious......"

Wang Mai nodded seriously and explained: "What I just said about the great use of this medicinal ear is not a joke, it is true. ”

This time, the old Taoist priest finally began to observe the medicine ear in his hand seriously, and he still shook his head after looking at it for a long time: "This thing can't be used in medicine, and it can't be hungry, what's the use?" ”

Wang Mai smiled mysteriously: "Let me sell it, do you know where this herb spike comes from?" I'm going to buy in bulk. ”

The old Taoist priest looked at Wang Mai suspiciously for a while, confirmed that his expression did not seem to be fake, and then said: "Hops were introduced from the Western Regions, but it is not a precious medicine, and some people in the Qinling Mountains have planted it, and the pharmacies in Chang'an City should have this medicine." ”

Wang Mai nodded: "That's easy, thank you for the mention." ”

The old Taoist priest waved his hand: "Since you like this thing, there are many more here in the old Tao, just take it." ”

"How can you be favored for no reason? In this way, I will regularly send the income generated by this item to the Taoist Chief. ”

The old Taoist priest shook his head with a smile: "Although the old Taoist is poor, but a few herbs can still afford it, and this medicine ear is useless, the stamen has some effect on the invasion of external evil in the wound, the old Taoist used a microscope to observe and found that the medicinal liquid soaked in this flower has an inhibitory effect on the reproduction of bacteria, but unfortunately the glass is too expensive, and the microscope you sent me has limited magnification, so I can't observe it carefully." Speaking of this, the old Taoist priest shook his head regretfully.

"Oh?" Wang Mai blinked, the old Taoist priest actually researched anti-infection drugs? This is a good thing, and hurriedly said: "To be honest, the other microscope that was sent to you is already the best in the world, and now the glass industry is not developed, and it is difficult to grind a better lens than that one." ”

"Hey......" the old Taoist priest sighed in disappointment when he heard this, "so I have to think of something else." ”

"I have the solution." Wang Mai whispered, "It's just that I'm not sure if this method is appropriate." ”

Sun Simiao's eyes lit up when he heard this, and he eagerly grabbed Wang Mai's hand: "Say it quickly, what can you do?" ”

"Dye the bacteria." Wang Mai replied, "The bacteria are very light transmittant, almost transparent, so it is very difficult to observe, but if you dye them, it is much easier to distinguish." ”

The old Taoist slapped his thigh: "Good way, why didn't the old Taoist think of it, you are really smart." ”

"Don't don't, don't praise me first, this method is just a conjecture, as for how to dye, how to choose dyes, there is really no way to know, it is hard to say whether this method can work." Wang Mai shook his head helplessly and said. When I was in middle school, I took biology class to stain bacteria and seemed to use purple potion, but who knows what purple potion is made of, it is estimated to be a chemical compound, and there is no chemistry in this era, let alone the chemical industry. sighed a long way, I don't know if those bull noses in Daomen have studied the theory of elements, no matter what, chemistry is too important in modern industry, and if it doesn't work, you have to use Li Er's power to do it......

Wang Mai told the old Taoist priest all the memories of some bacterial dyeing that remained in later generations, but they were all fragmented fragments, he only knew the process, where to understand the principle, and tried his best to only say a general idea, and he didn't know if it was correct. In later generations, a bottle of purple potion only costs a few cents, and who knows how many achievements of the chemical industry are contained in it. Knowing only some rough things is like changing the world is too difficult, Wang Mai shook his head.