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Shen (Spirit) is the child of Qi (Vital Energy), Qi is the mother of Shen, and Xing (Form/Body) is the chamber of Shen. When Qi is clear, Shen is smooth and unobstructed; when Qi is turbid, Shen is confused; when Qi is chaotic, Shen is fatigued; when Qi declines, Shen departs; when Shen departs, Xing decays. Humans take Qi as the Dao (Way), and the Dao takes Qi for life. If both Life and Dao coexist, one can achieve longevity and clear vision.

Excessive anger injures Qi on one side; excessive thinking damages Shen too much. When Shen is fatigued, the Heart is easily dominated; when Qi is weak, diseases invade. Do not allow sorrow or joy to reach extremes; always keep diet balanced. Guard repeatedly against night drunkenness; first,戒 (abstain from) morning anger. Sleep at Hai hour (9 PM - 11 PM) and perform "Ming Tiangu" (Beating the Heavenly Drum, a qigong exercise); upon rising in the morning, rinse with jade saliva (swallowing saliva). Demons and evils cannot easily invade oneself; Shen and Qi naturally protect the whole body. If one wishes to be free from all diseases, one should constantly regulate the consumption of the Five Pungent Substances (Wu Xin: garlic, chives, leeks, onions, and asafoetida). To calm Shen, one should cultivate joy and happiness; to cherish Qi, one should preserve harmony and purity. Do not discuss fate regarding longevity or shortness of life; cultivating the form depends on oneself. If one can follow this principle, one can visit the Zhenren (True Person) even on flat ground.

Regarding wealth, honor, and fame, do not strive forcibly for them, especially since this body is left by one's parents. Regarding talent, emotion, and spirit, do not compete, especially since this body is relied upon by one's wife. The body is soft and fragile, unlike wood or stone; injured by the Seven Emotions (Qi Qing), it is repaid with a hundred diseases. Once disease has come, what method can be applied? Before disease comes, one does not know the methods. I clearly tell you, listen well: Colors that please the eye are merely sexual desires; think how to distance yourself from them, as if removing shackles. Flavors that please the palate are merely dietary desires; think how to forbid them, as if fearing poison. Speaking too much injures Qi; those who wish to nourish Qi should speak without exhausting themselves. Thinking damages Blood; those who wish to nourish Blood should limit their thinking. Sorrow should not accumulate; joy should not be indulged. The form should not be overworked; Shen should not be overused. These few words should be recited throughout one's life.

The *Wu Yao Zhen Yan* (True Words Without Medicine) states: The wonder of sleeping alone is not only for the elderly, but also for the young and strong. During the day, disturbances cause Shen and Heart to scatter; they rely entirely on night rest to recover Yuan Qi (Original Qi). If during the day the mind runs wild like an ape or horse, and at night one eats and drinks excessively while indulging desires without self-care, how can Spirit and Blood/Qi endure this?

Laozi said: Heaven has Three Treasures: Sun, Moon, Star; Humanity has Three Treasures: Jing (Essence), Qi, Shen. Its meaning can be understood. Since youth, I have admired the Dao and had prior affinities. Fortunately, I met high sages and strange scholars, allowing me to read the ancient sages' teachings. I then learned that the principles of Xing Ming (Nature and Life) are simple yet profound and subtle. Apart from Jing, Qi, and Shen, there is no other gate to the Dao. Laozi's single statement already covers this completely. From birth, the Three Yuan True Qi can generate daily, but later obscured by emotions and desires, people fail to conserve it, leading to many losses. Thus, ancient sages taught repair methods: breathing exercises (Tu Na), preserving Shen and visualization, breath retention, and massage. Although these are not the Great Dao, diligent practice over time can expel disease and prolong life. However, for deficiency consumptive internal damage or chronic stubborn diseases lasting years, even Bian Que or Lu Gong would find it difficult to treat. If one can accumulate Qi and open the gates, there will surely be a miraculous recovery effect. Over time, the Ren Mai (Conception Vessel) and Du Mai (Governing Vessel) will connect, Water rises and Fire descends, forming Ji Ji (Perfect Completion/Water-Fire Balance). The root of previous illness will be cut off completely. Thereafter, True Yuan Qi will rise vigorously and never deplete. Yet, do not say that herbs and plants are ineffective and leave everything to fate. Although I am not smart, I have practiced this, rejecting strange phenomena, believing firmly and practicing exclusively. Success will come soon. I dare to share this with like-minded individuals.