论平地

On Level Terrain

Holistic Paraphrase

🌿 On Level Terrain — Even on flat plains, dragon veins can be found.

Having taught you the principles of locating caves on high mountains, the principles for level ground may be deduced by analogy. Observing the upright and towering forms of mountains, one understands the nature of high terrain; observing the reclining and sprawling forms of the landscape, one grasps the nature of level terrain. Dragon veins and flanking hills, watercourses and bright halls — they are fundamentally no different. High mountains and flat plains follow the same set of principles.

On level ground, where the terrain rises one fraction, there is a mountain; where it dips one fraction, there is water. Where the terrain opens one fraction, there is the form of a pincer cave. Where the face rises upward and opens toward the embrace, that is the position suitable for a cave. The form of the cave: feet above, crown below, sitting against the cave's crown at the back, facing the breast mound at the front, spreading open on both sides like eyes opening wide. Only when it conforms to the physiognomy of the stars (Nine Stars) and the formation is genuine may a point be chosen — never presume to bury recklessly.

For forms within high ridges, one should also incorporate the temperament of level terrain; for forms within level branches, one should also incorporate the temperament of high ridges. Take the gentle within the urgent, and adjudicate the urgent within the gentle — this is the core heart-method, not to be guessed at carelessly. In level branch terrain, position the cave at the crown, and the crown must leave some remaining allowance ("lingering offering"); in high ridge terrain, bury at the foot, and the foot must retain the toe-roots, never cut off completely.

On the positions and divisions of the Five Stars (Metal, Wood, Water, Fire, Earth), one must carefully and meticulously investigate. The two characters feng shui must be distinguished with clarity: Where one obtains water, there one can store wind. From which direction the water comes, toward which direction the wind departs — this is of utmost importance. The Earth Gate should be closed, and the Heaven Gate open — know this secret, and one may ascend to the immortal terrace.

The great principles of all under Heaven are none other than yin and yang and the Five Phases. Yin and yang and the Five Phases never depart from the operation of a single circle. This one circle is the gateway of life and death. Between Heaven and Earth, there are small circles and great circles. Recognize this circle, and everywhere becomes a circle.

The Gatha says:

A white jade round, one circle whole, Heaven revolves, Earth turns, nature takes its toll. Know the four wonders within this ring, And as an earth-immortal among men you shall sing.

This reflects the Patriarch's profound understanding of principle and the exquisite wonder of his heart-method. Deduce these few lines, and all principles under Heaven are contained within.

Immortal Cao (named Yue) praises:

My master's wondrous secret, a thousand-year heart transmission, Clouds and the sun and moon, waters filling hills and streams. Yin and yang without beginning, Heaven and Earth without bounds, Open the door and laugh — all before the eyes is primal truth.

Immortal Li (named Boyun) praises:

Though I have not seen the Master's face, I have heard the Master's secrets with grace. Great indeed is my teacher Cao, Transmitting true methods through a thousand years low and grow.

🧠 Deep Understanding

Core Concepts 💡

1. The Two Sides of One Coin: High Mountains and Level Terrain

This chapter opens with direct clarity: "Teach you the high mountain methods, and the level ground may also be inferred." Patriarch Huang Miaoying explicitly states that high mountain methods and level ground methods are not two entirely separate systems, but rather the same principle applied with variation to different topographic conditions. High mountains manifest their structural power through upright standing postures, while level terrain conceals its spirit in reclining and recumbent forms. This insight breaks through the psychological barrier of "high mountains are easy to recognize, level ground is difficult to locate" that plagues many learners of feng shui.

2. Micro-Topography as Mountains and Water

The key to feng shui on level terrain lies in the identification of micro-topography: "Where it rises one fraction, there is a mountain; where it dips one fraction, there is water." On flat plains, elevation differences of mere inches are sufficient to determine the gathering or dispersal of qi. This understanding of "one inch higher is a mountain, one inch lower is water" is the central key to the level terrain dragon method.

3. The Cosmic Model of the "Circle"

The philosophical destination of the entire chapter lies in the character "circle" (圈). The operation of yin-yang and the Five Phases, the transformation of life and death, the cycle of Heaven and Earth — all reside within one circle. This "circle" is not merely a two-dimensional geometric shape, but a symbol of dynamic circulation — Heaven revolves, Earth rotates, generation without cease. Recognize this circle, and one can respond to all changes with constancy.

4. The Distinction of Urgent and Gentle

"Take the gentle within the urgent, adjudicate the urgent within the gentle" is the essential practical secret of cave placement. Where dragon momentum is urgent and steep, one must seek a gentle point of descent; where dragon momentum is gentle and slow, one must adjudicate the critical point where qi gathers. This is a mode of yin-yang harmonization: where excessive firmness prevails, seek softness; where excessive softness prevails, seek firmness — always maintaining balance.

Modern Interpretation 🌟

The Scientific Correspondence Between Micro-Topography and Building Siting

The assertion "rise one fraction is mountain, dip one fraction is water" finds striking correspondence in modern architecture. Contemporary site analysis likewise focuses on micro-topographic elevation differences: slope variations of mere centimeters are sufficient to affect surface runoff direction, soil moisture distribution, and localized wind patterns. The rules distilled by the ancients through intuition and experience align remarkably with the analytical conclusions of modern GIS digital elevation models. Though level terrain appears flat, it subtly contains undulations — precisely the domain of "micro-landform" study in modern geomorphology.

"Obtaining Water and Storing Wind" and Modern Microclimate

"Where one obtains water, there one can store wind" reveals the dialectical relationship between water and wind in feng shui. In modern environmental science, water bodies function as significant thermal capacitance regulators — absorbing heat during the day and releasing it slowly at night, thereby moderating temperature differentials. The temperature contrast between water surfaces and land creates localized air circulation, and settlements near water consequently enjoy more stable microclimatic conditions. The ancient pursuit of "storing wind" is, in essence, a plain expression of the desire for comfortable wind environments: adequate air movement without the disturbance of strong winds.

The "Circle" and Systems Theory of Circulation

The concept of cyclicality expressed in "A white jade round, one circle whole" is highly consistent with feedback loops in modern systems theory and material circulation in ecology. In a healthy ecosystem, energy flow and material cycling form closed loops; when one link breaks, the system begins to deteriorate. The feng shui emphasis on the "circle" is fundamentally an emphasis on order and circulation — from the drainage and ventilation of a single dwelling to the landscape configuration of an entire watershed, all should constitute complete circulatory loops.

"Earth Gate Closed, Heaven Gate Open" — Drainage and Nurturing Qi

"Heaven Gate open" refers to the inlet where water arrives being spacious and unobstructed; "Earth Gate closed" refers to the exit where water departs being securely locked. In modern planning, this corresponds to the assurance of water supply and the orderly control of drainage. An ideal settlement location requires abundant and accessible water sources (Heaven Gate open), while the drainage outlet should be circuitous and indirect, not allowing direct outflow (Earth Gate closed), to prevent soil erosion and resource dissipation.

Practical Value ⚡

Practical Points for Selecting Sites on Level Terrain

• Observe micro-forms: On flat land, seek slightly elevated mounds or earthen ridges — these are often where earth qi concentrates. A level or simple surveying tool can be used to confirm elevation differences.
• Examine water traces: After rainy seasons, observe ground flow patterns, water accumulation points, and dry-wet boundaries. Places where water flows around are the "dip one fraction" waters; the higher ground between watercourses is the "rise one fraction" mountain.
• Distinguish soil color: Auspicious caves on level ground often feature fine-textured soil, moist and lustrous, subtly distinct from the surrounding earth. This is the underground verification of "genuine form."

"Storing Wind and Obtaining Water" in Modern Residential Environments

• When selecting a residence, note the micro-topography: sites slightly higher than their surroundings with good drainage are preferable to low-lying flood-prone areas.
• Consider the water environment: homes near rivers or lakes often enjoy superior thermal environments and air quality, though attention must be paid to flood control and excessive humidity.
• Assess the wind environment: whether there are obstructions in the prevailing winter wind direction, and whether summer prevailing winds flow through unimpeded. This is the modern application of "where water comes, where wind departs."

Decision-Making Applications of the "Circle" Mindset

Applying the cyclical concept of the "circle" to modern life and work:

• Resource circulation: Inputs and outputs of any system should form closed loops. At the design stage of a project, one should already consider its subsequent maintenance, renewal, and exit mechanisms.
• Decision review: Approach major decisions with a cyclical methodology of "hypothesis — action — review." The feedback from each action serves as the basis for the next round of judgment.
• Health management: The human body itself is a circle of yin-yang and the Five Phases. The balance of routine, diet, and emotional state is essentially the maintenance of orderly physiological circulation.

Philosophical Reflections 🤔

Unity-of-Field Thinking from "No Difference"

The philosophical import of "Dragon and flanking hills, water and bright hall, originally without difference" extends far beyond feng shui technique. It reveals a worldview of essential unity: things that appear completely different on the surface are, at the deepest level of principle, no different. The distinction between high mountains and level terrain is mere appearance; the different names of dragon, cave, sand, and water are merely differences of perspective. Ultimately, all are different manifestations of qi. This mode of thinking bears remarkable resemblance to modern physics's pursuit of a "unified field theory" — behind the multiplicity of phenomena exists a simple and unified law.

The Metaphysical Significance of the "Circle"

Why a "circle" rather than a "line"? A line has a starting point and an endpoint, whereas a circle is without beginning and without end. The waxing and waning of yin and yang never ceases, yet it also never truly "ends" or "begins" — this is precisely the interpretation of "yin and yang without beginning." The Earth's orbit around the Sun is a circle, the cycle of the four seasons is a circle, the metabolism of life is a circle, the rise and fall of civilizations is a circle. The circle embodies the profound philosophy of eternal return: the endpoint is the starting point, the ending is the beginning.

"Open the Door and Laugh — All Before the Eyes Is Primal Truth"

In Immortal Cao's praise verse, the four characters "open the door and laugh" are profoundly meaningful. Primal truth resides not in distant places, not in esoteric transmission, but in the instant of opening the heart's door. "All before the eyes is primal truth" describes a state of awakening: when one truly understands the cyclical path of yin-yang and the Five Phases, looking outward, everywhere is a circle, everywhere is the Way. This state is deeply connected to the Chan/Zen realization of "mountains are still mountains, waters are still waters" — it represents a return to wisdom rather than an accumulation of knowledge.

📚 Related Knowledge

Associated Concepts

Further Reading

• The Book of Burial (Zang Shu) · Guo Pu: Established the principle that "qi disperses when meeting wind, stops at the boundary of water," serving as the theoretical foundation for "obtaining water and storing wind"
• The Qing Nang Classic (Qing Nang Jing): Transmitted by Huang Shigong, expounding the functional relationship between yin-yang, the Five Phases, and geography; mutually illuminating with the "circle" theory presented in this chapter
• Other Sections of The Bò Shān Pān: This is the seventh chapter; the preceding six chapters treat dragon, cave, sand, water, and bright hall respectively, and should ideally be studied in conjunction
• The Secrets of Geography for Human Descendants (Di Li Ren Zi Xu Zhi) · Xu Shanjie and Xu Shanshu: A Ming dynasty geographical masterpiece with systematic discussion of level-terrain dragon methods, suitable for extended study

Modern Research

• The "Matrix-Patch-Corridor" Theory in Landscape Ecology: Possesses structural correspondence with the "dragon-cave-water" spatial pattern of feng shui. Micro-topographic high points in level terrain often become ecological patches, while waterways serve as important ecological corridors.
• Microclimate and Settlement Site Selection Studies: Recent simulations by Chinese scholars of wind environments in level-terrain settlements such as Huizhou and Jiangnan water towns have confirmed the scientific validity of "obtaining water and storing wind" site-selection principles. The regulatory effect of water bodies on surrounding thermal environments highly aligns with the ancients' experience that "where water is obtained, wind is stored."
• Digital Terrain Analysis (DTA): Modern GIS technology can extract micro-topographic features at centimeter precision, providing a quantifiable verification tool for the "rise one fraction, dip one fraction" observations of level-terrain dragon methods. Some scholars have attempted to convert traditional form-based judgments into terrain parameters such as slope, aspect, and catchment area, provisionally validating the rationality of "positioning caves on branch tops, burying on ridge feet."