What this concept is saying
清淨本然 (*qīngjìng běnrán*, “primordially or inherently pure”) says that the fundamental nature of experience is not made pure by polishing, suppressing, or manufacturing it. Purity is not a spiritual product assembled after enough meditation. Nor is it a private substance hidden somewhere inside the body. In the Chan materials supplied here, the expression carries five inseparable implications:
1. Purity is original, not manufactured. 《古尊宿語錄》 says, “不假薰修，本來清淨”: it does not depend upon conditioning and cultivation in order to become originally pure. Practice does not create this purity; practice exposes and embodies what confusion prevents us from recognizing.
2. **It is 周遍法界 (*zhōubiàn fǎjiè*, “pervading the whole Dharma-realm”).** It cannot be confined to an inward, private “true self.” Body, sensation, streets, trees, other people, and the entire field in which subject and object appear cannot stand outside it.
3. It is not an object known by another object. “心不見心，水不洗水”—mind does not inspect mind as though standing outside it, and water does not wash water. The moment we imagine a pure awareness over here observing an impure life over there, we have divided what the teaching is asking us to see directly.
4. It does not exclude conditioned arising. 《宏智禪師廣錄》 places 清淨本然 beside 和合因緣 (*héhé yīnyuán*, “causes and conditions in combination”), rather than using one to cancel the other. Events still arise through conditions; choices still have consequences; suffering is still suffering. “Inherent purity” concerns the empty, ungraspable nature of what arises—not the denial of conditionality.
5. It appears as present functioning. “而今信手拈來用”—right now it is freely taken up and used. Hearing a sound, answering a child, admitting a mistake, feeling grief without turning it into identity: purity is not merely silent interiority. Its truth must become visible in how one meets conditions.
The famous question behind the Chan cases comes from fascicle four of the 《大佛頂首楞嚴經》 (*Śūraṅgama Sūtra*). Pūrṇa asks: “若復世間一切根塵陰處界等皆如來藏，清淨本然，云何忽生山河大地諸有為相？”—if the faculties, their objects, the aggregates, sense fields, and elements are all the *tathāgatagarbha*, originally pure, how do mountains, rivers, the earth, and conditioned phenomena suddenly arise? The later Chan encounter between Changshui Zixuan and Langya repeats the heart of this question verbatim instead of giving a cosmological lecture. Its scriptural provenance and Chan adaptation are recorded in traditional lexicographical sources. [《佛學大辭典·清淨本然》](https://zh.wikisource.org/wiki/%E4%BD%9B%E5%AD%B8%E5%A4%A7%E8%BE%AD%E5%85%B8/%E6%B8%85%E6%B7%A8%E6%9C%AC%E7%84%B6)
Why return the question unchanged? Because the grammar of the question already assumes two separate realities: first a sterile purity, then an alien world intruding upon it. It asks how the “pure” became “impure,” as though reality were once a spotless room into which mountains, bodies, arguments, and dirty dishes later trespassed. Langya’s repetition turns the question back toward the division being made at that very moment. Before constructing a story about the birth of the world, look at the mind that has placed purity on one side and the world on the other.
This is also the force of “性水真空，性空真水……清淨本然，周遍法界”: the nature of water is true emptiness, and the nature of emptiness is true water. “Emptiness” is not a second realm behind water, while water is not a solid entity obstructing emptiness. Water is empty precisely as this dependently appearing water. The saying is applied in the source to the elements more broadly, not only to a mystical experience of literal water. The corresponding wording is preserved in discussions of the seven elements in the *Śūraṅgama Sūtra*. [Textual summary of the “seven elements” passages](https://ftp4.budaedu.org/ghosa4/C028/T094W/ref/T094W_008.pdf)
Hence the beautiful conclusion in 《古尊宿語錄》:
水自竹邊流去冷，風從花裏過來香。
Water flows past the bamboo, cool; wind passes through the flowers, fragrant.
The verse does not answer by erasing water and flowers. It lets each thing be completely present without turning it into a fixed essence. Coolness depends upon water, body, season, contact, and awareness; fragrance depends upon flowers, air, sense faculty, and innumerable conditions. Nothing possesses an isolated, permanent core, yet nothing needs to be denied. The living scene is neither an obstacle to purity nor proof that purity has been lost.
This places 清淨本然 at a crucial point on the path of liberation. Buddhism begins from the actuality of suffering and trains conduct, attention, and wisdom. This Chan expression addresses the wisdom end of that path: liberation is possible because delusion is not an immutable essence. But wisdom returns to the whole path. If greed, hatred, and delusion are no fixed self, they can be relinquished; if purity is not a possession, it cannot justify spiritual pride; if all experience belongs to the same empty field, compassion is not optional decoration.
Life’s walkthrough
Imagine a crowded morning commute. Your train is delayed. A message arrives from your manager: “We need to discuss yesterday’s work.” Your stomach tightens, and you immediately open a social-media app to escape the feeling.
First, notice what “original purity” does not mean. It does not mean that the anxiety is secretly pleasant, that the manager cannot harm your career, or that the train delay has no cause. Those are conditioned events. 清淨本然 is not a claim that unpleasant conditions disappear when viewed correctly.
Now walk through the scene carefully.
The announcement sounds. The body contracts. A threatening interpretation appears: “I am in trouble.” The thumb opens the app. Images scroll past. Comparison, irritation, attraction, and numbness alternate. Every part arises through conditions: sleep deprivation, workplace history, bodily sensation, remembered criticism, interface design, recommendation algorithms, and habits repeatedly reinforced.
The common mapping error is to call the anxiety “defilement” and imagine a calm observer behind it as “the pure mind.” That produces two minds: a bad mind to remove and a good mind assigned to remove it. It is exactly the structure challenged by “心不見心，水不洗水.”
Instead, pause before the next swipe. Feel the contraction without adding “this proves I am inadequate.” Hear the train announcement without turning it into a personal insult. See the manager’s message as words on a screen before supplying a complete future. The sensations and thoughts have not vanished, but their apparent solidity loosens. None can be found existing independently of conditions; none, by itself, constitutes an enduring “me.” This ungraspability is not manufactured by the pause. The pause merely stops feeding the grasping long enough for it to become evident.
This is the “not made by cultivation” side. Yet the ability to pause may require years of cultivation. That is not a contradiction. Training does not manufacture emptiness or original purity; it weakens the habits that continually conceal, appropriate, and distort them. You do not create the open sky by allowing clouds to pass, but learning not to chase every cloud is still practice.
Then comes 周遍法界. Purity is not located only in the calm breath and absent from the phone, train, or manager. The glowing screen, anxious body, other commuters, and institutional pressures all occur within the conditioned field. “Pervading” does not mean that a cosmic substance physically fills them. It means that no phenomenon lies outside empty, dependently arisen reality. The algorithm remains an algorithm, designed by people and institutions; it is not thereby enlightened. But neither is it an independently existing demon. It works through conditions—including your attention—and those conditions can be understood and changed.
Now comes 現前之用 (*xiànqián zhī yòng*, “functioning right here and now”). You close the app, reread the message, and answer: “Understood. Could you tell me which part you’d like to review so I can prepare?” Perhaps you also acknowledge an actual mistake. Original purity has not become an excuse to float above consequences. It functions as enough non-defensiveness to meet the situation clearly.
The same movement can be seen in intimate conflict. Your partner says, “You never listen.” If “purity” means preserving an immaculate self-image, you will defend yourself. If it means blank detachment, you will withdraw. But if the angry sensation, the word “never,” the fear of rejection, and the urge to retaliate are all seen as conditioned and ungraspable, another response becomes possible: “I feel myself becoming defensive, but I want to understand what I missed.” The response is still imperfect and conditioned. Yet it is precisely through such use—not outside ordinary life—that insight becomes liberative.
Finally, notice the coldness of water and the fragrance carried by wind. After the conversation, you wash a cup. Cool water touches the hand. There is no need to add a metaphysical conclusion. 《宏智禪師廣錄》 says, “莫聽別人澆惡水，要須冷煖自家知”: do not depend upon someone else pouring bad water over you; you must know warmth and cold for yourself. This is not anti-intellectualism. Teachings guide and correct us, but borrowed eloquence cannot substitute for direct, ethically embodied seeing.
Why contemporary people need it
Contemporary life trains us to treat the self as a perpetual improvement project. The body must be optimized, attention made productive, emotional life curated, and public identity kept clean. Even meditation can become another dashboard: calmer than last month, more mindful than one’s colleagues, closer to an imagined purified version of oneself.
清淨本然 cuts through this economy of spiritual self-production. It says that liberation is not the successful manufacture of a flawless identity. If purity had to be created, it would be conditioned by whatever created it and would therefore be vulnerable to change. What is conditioned can be cultivated—and wholesome conditions should be cultivated—but no conditioned achievement can serve as an eternal possession.
This teaching also loosens shame. Shame says, “Because anger, addiction, envy, or fear has arisen, corruption is what I am.” Original purity does not deny responsibility; it denies the conversion of a conditioned pattern into an immutable identity. A harmful pattern must be acknowledged, restrained, repaired, and understood precisely because it is conditioned rather than essential. “I am fundamentally stained” breeds despair; “nothing is stained, so conduct does not matter” breeds irresponsibility. The path avoids both.
It also corrects our relationship to attention technologies. Recommendation systems can predict and amplify tendencies, but they do not reveal an eternal self. A feed assembled from previous clicks presents conditioned traces and then invites us to identify with them: “This is what you are.” 清淨本然 reminds us that no profile exhausts the person and no history of reactions constitutes an unchangeable nature.
One may compare this with discussions in neuroscience about constructed perception, distributed processing, or the absence of a single central controller. Such comparisons can help loosen naive pictures of a little observer inside the head. But they are limited: neuroscience contains competing theories of consciousness, and empirical findings about brain processes neither prove Buddhist emptiness nor establish the soteriological meaning of original purity. Buddhism is asking not only how cognition operates but how grasping, suffering, ethical conduct, and release are related.
Most importantly, this teaching joins wisdom to compassion. If no person is reducible to the anger, fear, ideology, diagnosis, or data profile presently appearing, then transformation remains possible. This does not require sentimental optimism. Some conditions are deeply entrenched, and protection from harm may require firm boundaries. But wisdom refuses to make a permanent essence out of anyone’s worst conditioned moment—including our own.
Common misreadings and clarifications
“Original purity means that I am already enlightened, so practice is unnecessary.” No. It means purity is not fabricated by practice; it does not mean delusion has ceased to function. A person can be standing in sunlight with closed eyes. Practice concerns the ending of greed, hatred, and delusion and the embodiment of wisdom and compassion. “Not obtained through polishing” warns against manufacturing a spiritual object; it does not authorize neglect.
“It is an eternal, pure Self hidden behind experience.” The supplied Chan texts do not present it as an inner witness that can be possessed. “Mind does not see mind” blocks the picture of one entity observing another, while “pervading the Dharma-realm” prevents confinement to a private interior. Treating original purity as “my true metaphysical core” reintroduces precisely the grasping Buddhism seeks to release.
“Purity means morally innocent no matter what I do.” Inherent purity and ethical purification answer different questions. Actions still arise conditionally and bear consequences. Anger may be empty of fixed nature while an angry act still injures someone. Insight into emptiness should make confession and repair easier, not unnecessary.
“The visible world is dirty illusion; enlightenment removes it.” The Chan records refuse this split. When asked how mountains and rivers arise from purity, they do not promise that mountains and rivers will disappear. They answer with flowing water, fragrant wind, green water before the cliff, and white clouds above the ridge. The error is not the existence of appearances but grasping them as self-established entities—or opposing them to an imagined purity elsewhere.
“周遍法界 means a substance spread throughout the universe.” “Pervading” should not be pictured as invisible spiritual fluid filling material containers. In the source context, “性水真空，性空真水” dismantles just such separation. Emptiness and appearance are not two ingredients mixed together. Each phenomenon is empty in its very appearing.
“If everything is pure, suffering is unreal and can be ignored.” Emptiness is not nonexistence. Pain is dependently arisen, and precisely for that reason it can be intensified, alleviated, or ended through conditions. Calling another person’s suffering “originally pure” while refusing help is conceptual evasion, not wisdom.
“A quiet or blank mental state is original purity.” Quietness is a conditioned state: useful, often restorative, but impermanent. 清淨本然 is not one special experience opposed to noise, thought, grief, or activity. The record says it can be “taken up and used” immediately. If purity survives only in a silent meditation hall, it has not yet been understood as 周遍法界.
“The Chan master’s refusal to explain means reasoning is forbidden.” The records themselves preserve intricate doctrinal language, so the point is not contempt for study. The warning is “金屑雖貴，落眼成翳”: even gold dust, precious as it is, blinds when it enters the eye. Correct teachings become obstacles when clung to as substitutes for seeing. Concepts can point, discriminate errors, and guide practice; they cannot perform awakening on our behalf.
In the end, 清淨本然 is neither a compliment paid to the self nor a theory about a pristine past. It names the fact that no stain possesses an independent, permanent nature; no purity can be owned as an object; and no corner of lived reality stands outside the field of awakening. The path is therefore not a journey from a wholly impure world to a separate pure realm. It is the disciplined relinquishment of the grasping that prevents mountains from being simply mountains, water from being cool, remorse from becoming repair, and this present life from becoming the place where wisdom and compassion are used.