There are wonders in Guangdong, who aspire to study the wonders of cinnamic acid ester. His nature is firm and determined, and his heart is dedicated to the mystery of this thing. Although there are many thorns on the road, he cannot be hindered.

At the beginning, I studied various ancient books and visited various families, but I got very little. However, he was not discouraged, he bowed down and practiced, living in a room every day, putting all kinds of medicines in front of him, burning the cooking agent, without looking at the eyes, observing the changes, recording his feelings. Or the value of the medicine cannot be achieved, or when the heat is not suitable, they will not stop.

When
, some of my colleagues advised him to change the way, saying: "This road is difficult, and I am afraid that it will be difficult to achieve success. Why not give it up and do something else?" The scholar smiled and responded, "My heart is to cinnamic acid ester, even if it is difficult and dangerous, I have no regrets." So he went his own way and devoted himself to his research.

After another few years, overnight, the kettle cooking agent was burned, and the fragrance of the medicine was overflowing, and the color was strange. The scholar was overjoyed, scrutinized it carefully, and tested it, and obtained the exquisite preparation method of cinnamic acid ester. The method has been completed, and it has been passed on to the villagers, and everyone has followed it. The business of cinnamic acid ester in Guangdong has flourished, and the profit is quite rich, and the reputation is far and wide.

After
, the scholar often exhorted his descendants and said: "What the heart wants is to follow in the past. In order to seek the secret of cinnamic acid ester, I have endured many hardships, and If you are ambitious, you should strengthen your heart and not be moved by foreign things. "Everyone was obedient.