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Chapter 15 of 15
奇门遁甲元灵经
In the Qimen Dunjia system, the divination of illness uses the Tian Rui Star as the symbol of the disease deity, while also referencing the palace positions of the Sheng Men (Door of Life) and Si Men (Door of Death) for comprehensive judgment. One then examines the palace where the patient's natal year stem falls: if the Sheng Men shines upon it, it indicates that vitality remains and death will not occur; if the Si Men arrives, the illness is critical and difficult to cure. Should the year stem palace be in a state of decline, exhaustion, or dormancy, compounded by the presence of malevolent stars or inauspicious patterns, this portends great misfortune, and life hangs in the balance. Even if the year stem palace receives one of the remaining six doors (neither Sheng nor Si), it still indicates a lingering illness that drags on and is difficult to resolve. As for the time of recovery, the period when the Tian Rui Star enters decline marks the expected timing—when the disease star loses its power, that is the moment of remission.
Additionally, when divining the illness of one's parents, or of children or same-generation relatives, if the current month or day stem enters the Tomb, it is a highly inauspicious sign. If malevolent stars and doors align above the patient's earthly branch year stem, and there is no remedial deity to neutralize the influence, danger is likewise indicated. However, if malevolent stars come with auspicious Qimen configurations, and the upper and lower stems can rescue each other, a thread of life may be found within a death sentence; if the Three Wonders, auspicious doors, and auspicious patterns shine upon the position, and additionally the upper and lower stems form a union, then recovery may occur even without medicine.
For divining diseases of the eyes, the Li Palace serves as the primary indicator, as the Li trigram symbolizes the eyes. Examine what stars and patterns occupy the Li Palace among the nine palaces: if auspicious stars and patterns are present, recovery will be swift; if malevolent stars and inauspicious patterns are found, recovery will be slow. If auspicious and inauspicious signs are intermingled and difficult to distinguish, the condition will be lingering but will not worsen.
For divining the length of one's life, the Tian Chong Star and the Si Men (Door of Death) serve as the core basis. The Tian Chong Star governs the third palace and represents vital energy (life force); the fifth palace, meanwhile, holds the energy of death. The method of calculation: take ninety years as the full lifespan, corresponding to the nine palaces, with each palace representing ten years. Observe how far the Tian Chong Star's palace lies to establish the baseline of the lifespan. If the Tian Chong Star is flourishing, the person will enjoy a lifetime of peace with few ailments; if it is in decline or dormancy, the person will experience many hardships throughout life. The specific calculation: counting from where the Tian Chong Star falls for the querent, proceed forward through the nine palaces for Yang Dun, or in reverse through the nine palaces for Yin Dun, until reaching the palace where the Si Men falls. Subtract the number of years already lived from the total; the remainder indicates the remaining years of life. For example: if one is thirty years old and obtains the number four, subtract thirty [from fifty —ed.], leaving ten additional years of life. All other cases follow this same principle.
The "Life–Death" Dual Framework of Illness Divination
The core logic of Qimen illness divination lies in establishing a comparative system between vital energy (Sheng Men/Life Energy) and destructive force (Si Men/Death Energy) . Tian Rui represents the essence of the illness itself, while the Sheng and Si doors determine its trajectory. At its heart, this framework constitutes an ancient systematic risk assessment model for disease prognosis—translating two critical questions, "Will the patient survive?" and "When will recovery occur?" into operable symbolic deduction.
The "Palace–Decade" Quantitative Thinking of Lifespan Divination
Lifespan divination assigns ninety years to the nine palaces, ten years per palace, transforming the spatial structure of the Luo Shu nine-grid into a temporal coordinate system, then measuring from Tian Chong (vital energy) as the starting point to Si Men (death energy) as the endpoint. This "space–time" mapping exemplifies the Qimen system's most distinctive feature: integrated temporal-spatial thinking.
From "Deity-Based Diagnosis" to "Risk Stratification"
Designating Tian Rui as the disease deity and using the Sheng and Si doors to determine fortune or misfortune is, in modern terms, essentially a risk stratification tool for prognosis. The ancients used "Sheng Men/Si Men" and "flourishing/declining" to distinguish the severity and urgency of illness—a logic that parallels modern medicine's disease severity classification (mild, severe, critical). The statement "recovery occurs when Tian Rui enters decline" essentially links improvement to the energy decay cycle of the disease star, similar to modern observations of a disease's natural course.
It is worth emphasizing that the phrase "recovery may occur even without medicine" does not negate the value of medical treatment; rather, it describes the possibility of a self-limiting disease—when the Qimen chart reveals extremely auspicious signs, the ancients believed the body's own restorative capacity would suffice. This is not uncommon in modern medicine either; many viral infections indeed have a tendency toward spontaneous recovery.
Eye Diseases: The Local Lesion as a Global Mapping
Using the Li Palace to govern eye disease is rooted in holographic correspondence—symbolic associations between body parts and the nine palaces. Li represents fire, brightness, and the eyes—an association explicitly stated in the I Ching. From a modern perspective, the value lies in reminding the diviner: local lesions should not be viewed in isolation but examined within the broader system for their auspicious or inauspicious trajectory.
Lifespan Divination: The Era-Adaptive Ninety-Year Rate
Setting ninety years as the full lifespan, ten years per palace, represents an idealized upper limit in an era when average lifespans were far shorter. The ancients—living in a time when "since antiquity, few have lived past seventy"—nevertheless set ninety as the standard, using an idealized completeness as the computational baseline. In the contemporary context of significantly extended average lifespans, this numerical framework has lost some reference value, yet its logical approach of "vital energy as starting point, death energy as endpoint" for lifecycle reckoning remains instructive.
Modern Decision-Making Applications for Illness
Modern Adaptation of Eye Disease Judgment
The auspicious/inauspicious analysis of the Li Palace can be translated into modern terms: if auspicious stars and patterns occupy the Li Palace, the eye condition is likely to be functional or self-limiting with a good prognosis; if malevolent stars or patterns prevail, one should be alert to organic disease or persistent non-recovery, with prompt specialty examination recommended.
A Modern Attitude Toward Lifespan Calculation
Lifespan divination should not be understood as fatalistic predetermination, but rather as an assessment of one's vital energy state. The "life without ailment" of a flourishing Tian Chong can be read as strong innate constitution; the "frequent hardships" of a declining one as a reminder to prioritize daily wellness and health management. As for calculations of remaining years, it is advisable to approach them with a "hypothesis–action–review" framework: assume the chart indicates an area requiring attention → make targeted lifestyle adjustments → periodically review health data to validate or adjust.
The Rhythmic View of "Vital Energy" and "Death Energy"
Measuring lifespan from Tian Chong (vital energy) as starting point toward Si Men (death energy) as terminus embodies a profound life philosophy: the length of life matters less than "where the endpoint lies, and more than how one traverses the gradual decline from vital energy to death energy, step by step." The ancients were not simply "telling fortunes"; through cognizance of the distribution of life energy, they guided people toward a deeper grasp of life's rhythms.
The Dialectical Wisdom of "Finding Life Within Death"
The phrase "malevolent stars meet auspicious Qimen configurations, with upper and lower stems mutually rescuing—life may be found within death" embodies a crucial philosophical stance: within extreme misfortune, vitality still resides; what matters is whether the conditions for "rescue" exist. This thought transcends simple fortune judgments, elevating divination into an exploration of "possibility space"—in any predicament, one must seek the sustaining thread that can be grasped. This resonates profoundly with modern crisis management philosophy: the most dangerous moment is precisely when one must search hardest for turning-point variables.
The Yin-Yang Transformation Principle of "Decline as Healing"
Setting the period when Tian Rui enters decline as the time of recovery embodies the yin-yang philosophy that when things reach their extreme, they reverse; prosperity and decline alternate cyclically—when the disease star's energy bottoms out, that is precisely when the illness recedes. It reminds us: the process of decay and dissolution is itself the prelude to renewal.
| Term | Meaning |
|---|---|
| Tian Rui Star | One of the nine stars in Qimen, also known as the Ju Men Star, governing illness, plague, and epidemics—the core symbol in illness divination |
| Sheng Men / Si Men | The two extreme doors among the eight doors: Sheng Men governs vitality and hope, Si Men governs termination and hopelessness |
| Decline, Exhaustion, Dormancy | States of elemental energy within the four seasons: flourishing indicates timeliness; decline, exhaustion, and dormancy indicate untimeliness and decay |
| Entering the Tomb | When a heavenly stem falls into its tomb palace (e.g., Jia entering Wei, Bing entering Xu), signifying constraint and concealment |
| Three Wonders | Yi, Bing, Ding—the most important auspicious spirits in Qimen |
| Remedial Deity | Auspicious doors, auspicious stars, auspicious patterns, or the Three Wonders that can dissolve misfortune |
| Yang Dun / Yin Dun | The two founding methods of Qimen chart construction: Yang Dun proceeds forward after the Winter Solstice; Yin Dun proceeds in reverse after the Summer Solstice |
| Tian Chong Star | One of the nine stars in Qimen, classified under Wood, governing action and vital energy—the key star in lifespan divination |