I. What This Concept Is Saying
The four characters "淨不淨業" (pure and impure karma) come from the *Yogācārabhūmi-śāstra* (瑜伽師地論, attributed to Maitreya as speaker, with commentary by Vasubandhu, translated by Xuanzang in the Tang dynasty, T1579). It is a core term used by the Yogācāra school when discussing the distinctions among karma. It is not a moral slogan but a structurally positioned term: it must be understood within the entire "system of karma distinctions." Let us first build the skeleton, then add flesh and blood.
A One-Sentence Definition
"Sentient beings, perfumed by the distinction between pure and impure karma, engender karmic actions that can bring about the maturation of their retributive results." — The *Yogācārabhūmi-śāstra* does not say that "pure/impure" is the classification of all karma, but rather treats it as one branch within a complete classification system — answering the question: "When this action, this moment of mind, falls into the ālayavijñāna (the seed-consciousness of all things), is the seed it perfumes there clear or turbid?"
The Complete Map of Karmic Distinctions (*Yogācārabhūmi-śāstra* Uses Multiple Classification Systems Concurrently)
In order not to narrow "pure/impure" down to "good/bad," we must first see the coordinate system surrounding it. This treatise lays out at least five layers of classification, which interlock with one another and do not replace one another:
| Perspective | Name | Criterion | |---|---|---| | Mind-root (causes and conditions) | Pure / Impure / Indeterminate | Non-greed, non-aversion, non-delusion vs. greed, aversion, delusion vs. belonging to neither | | Trajectory (retributive result) | Meritorious / Non-meritorious / Immovable | Pleasurable experience in good destinies / painful retribution in bad destinies / fruits of absorption in the higher realms | | Black-and-white of retribution | Black-black retribution / White-white retribution / Black-white-black-white retribution | Pure evil sensing pure suffering / pure good sensing pure pleasure / good and evil intermingled, experiencing pleasure and pain mixed in good destinies | | View and practitioner's position | Crooked / Defiled / Turbid / Pure / Quiescent | Outsiders / Those with inverted views / Those still hesitating / Ordinary beings of this Dharma who are rightly determined / Saints | | Dynamic process | Pure ↔ Defiled | Whether it is counteracted, whether it increases, whether it is deliberately intended |
The four characters "淨不淨業" fall into the "mind-root (causes and conditions)" column, while simultaneously being continuously observed by the "dynamic process" column (whether it is activated in the present moment and ultimately resolved must be seen through whether the pure can be maintained and whether the impure can be counteracted).
"Pure" and "Impure" — Strictly Defined by Causes and Conditions
This is the hardest nail in this concept and must be stated precisely according to the original text. One must not gloss over it with "good/evil."
The fundamental causes and conditions of pure karma: the three wholesome roots of non-greed, non-aversion, and non-delusion. - Non-greed: not clinging to or adhering to the object of perception. - Non-aversion: not harming, not harboring resentment. - Non-delusion: seeing things as they are, without inversion.
The fundamental causes and conditions of impure karma: the three poisons of greed, aversion, and delusion. - Greed: grasping and craving toward the object of perception. - Aversion: arousing anger, arousing harmfulness. - Delusion: ignorance, inverted views.
Indeterminate karma: karma that is neither caused by the three wholesome roots nor by the three poisons. For example, unconsciously stepping on a blade of grass while walking — the action occurs, yet there is no activation of greed, aversion, or delusion, nor is it grounded in the purity of the three wholesome roots. This kind does not necessarily have strong good-or-evil traction in terms of retribution.
Original text: > 「善業以無貪、無瞋、無癡為因緣，不善業以貪、瞋、癡為因緣；無記業不屬於上述兩類因緣。」（《瑜伽師地論》）
So the determination of "pure/impure" does not look at the external good or evil of the action (Is giving someone money good? Is volunteering at a monastery pure?), nor does it look at social evaluation; what it truly examines is whether the mind-root behind that volitional act is clear or turbid. The very same action of "giving someone money," because of different mind-roots, can land in completely different positions.
Finer than Fine: The Narrow Definitions of "Pure Karma" and "Quiescent Karma"
Contemporary explanations often gloss over this passage, but the *Yogācārabhūmi-śāstra* nails it down firmly. Original text: > 「清淨業指此法異生於聖教中正決定、不猶預者所有的善業；寂靜業指住於此法而非異生的一切聖者所有學業、無學業。」（《瑜伽師地論》）
Breaking it apart:
- Pure karma (narrow sense): the wholesome karma possessed by "ordinary beings of this Dharma" who are "rightly determined and not hesitating" in the noble teaching. - "This Dharma" = the Buddhadharma; "ordinary beings" = still ordinary persons (who have not seen the path); combined, this means ordinary beings who have entered the true Dharma and whose views are determined. - "Rightly determined, not hesitating" = their view has been decisively clarified and no longer wavers. - Therefore: pure karma ⊂ wholesome karma, but is not equal to all wholesome karma.
- Quiescent karma: the karma of learning and beyond-learning possessed by saints who abide in this Dharma (those who have seen the path and above). - In short: only the karma of saints is called quiescent karma. - Therefore: quiescent karma ⊂ pure karma ⊂ wholesome karma, each layer higher and narrower than the last.
As for those not on this ladder: - Crooked karma: the wholesome and unwholesome karma of outsiders (even if they do many meritorious deeds, because their view is fundamentally distorted, it is called "crooked"). - Defiled karma: the karma of those who hold inverted views within the noble teaching. - Turbid karma: the karma of those who dwell in the noble teaching but abide in clinging to their own views, wrong determination, or hesitation (they may cultivate, but right and wrong, and determination, are not settled).
This ladder tells us something extremely important: **the "purity" in the *Yogācārabhūmi-śāstra* has levels; it is not the same flat "good." When an action is performed, which level of "purity" it reaches depends on whether the view is clear, whether there is inversion, and whether there is determination**.
The "Impure" Side: Karmic Defilement
When discussing the defiled aspect, this treatise does not use "impure karma" to describe itself, but rather uses the specialized term "karmic defilement" (業雜染) — this difference in terminology is precisely a terminological feature of the *Yogācārabhūmi-śāstra* worth recording.
The logical chain of the original text is as follows:
1. All unwholesome bodily, verbal, and mental karma is called evil conduct. 2. If evil karma is repeatedly activated (repeatedly performed), it can cause sentient beings to receive retribution in the already attained, to-be-attained, and presently-attained bad destinies — this is the manifestation of karmic defilement. 3. If it is unwholesome karma deliberately intended (knowingly committed, a clear choice made), and is "both performed and increased" (both done and allowed to continue expanding and strengthening, without counteraction), then one is definitively destined for an unpleasant retribution in a bad destiny in the future. 4. Conversely, if the ten kinds of counteraction are applied to it, one can transform defilement into purity — the already-performed karma no longer increases and becomes "indeterminate retribution," up to and including permanent severance from bondage. 5. The ultimate path of purification: guarding the sense-doors, cultivating the higher training in discipline, and cultivating the higher training in mind.
Original text: > 「若闕十種對治，便為業雜染所染污；若會遇相應對治，則得清淨。」（《瑜伽師地論》）
So "impure" is not the static label of "having done a bad thing," but rather a dynamic process of defilement: deliberate intention → performance → increase → repeated activation → perfuming a strong seed → retributive maturation. Wherever there is a leak, defilement seeps in.
Why Pure and Impure Karma Can Serve as the "Most Excellent Cause"
This treatise contains a key passage that is often excerpted but rarely quoted in full:
「一切種子識於取得新自體時，雖有淨不淨業為因，以樂著戲論為最勝因；至於所生族姓、形色、力量、壽量、資具差別果，則以淨不淨業為最勝因。」（《瑜伽師地論》）
This single sentence answers two questions at once, and it is extremely important:
- "Why was I born here?" — The most excellent cause for obtaining a new self-body is "delight in and attachment to conceptual elaboration" (prapañca). This is the Yogācāra answer to how saṃsāra begins: the sentient being's craving for names, discrimination, and conceptual elaboration causes consciousness to continue grasping a new body. It is not created by a god, it is not purely random; it is the mind's craving for speech and concepts that causes consciousness to flow on.
- "Why am I like this after being born?" — The most excellent cause for specific differences is pure and impure karma. The specific disparities after birth in this lifetime — nobility or baseness of family, comeliness of appearance, strength or weakness of body, length or shortness of life, abundance or scarcity of resources — the main determining axis of these falls on the seeds of past pure or impure karma.
This distinction is subtle: it assigns the cause of "birth itself" and the cause of "differences after birth" to two different most-excellent causes. The first points to the mind's internal craving; the second points to the pure/impure seeds perfumed in the past.
Refuting Externalist Causes: The True Cause of the World's Rise and Fall, Pleasure and Pain, Is Karma, Not Celestial Phenomena
Another passage directly counteracts externalist views (astrology, physiognomy, theories of heavenly-human resonance): > 「若承認淨不淨業所作，便不應又計日月等作；現見有情終身造福業、非福業而感興衰苦樂等果。」（《瑜伽師地論》）
The meaning is: in this world there are wealth and poverty, rise and fall, pleasure and pain — these differences are not determined by the stars in the sky (sun, moon, constellations, eclipses), but are brought about by the pure and impure karma that sentient beings themselves have created. Once the cause of karma is acknowledged, one should not attribute the same set of phenomena to the causes of celestial bodies.
To summarize this section: "Pure and impure karma" is a concept with a position, not a floating noun. When discussing it, one must simultaneously explain its cause (the mind-root), its position (one branch within the complete classification system), its narrow definition (the ladder of pure karma / quiescent karma), its opposite (the defiling process of karmic defilement), and why it carries the weight of being a "most excellent cause."
II. A Walk-Through in Daily Life
The foot stepped on in the next morning rush-hour subway, the hour and a half of scrolling short videos before sleep that you cannot stop, the cold reply email written to a colleague — these fine-grained chains are the contemporary scenes of "pure/impure karma." Let us align them strictly with the definitions of the *Yogācārabhūmi-śāstra*, while pointing out where people most easily map things incorrectly.
Scene 1: The Foot Stepped On in the Commuter Subway
Situation: During rush hour, someone steps on your foot and squeezes away without looking back.
Your first reaction determines everything that follows: - A thought bursts out — "this jerk" — aversion arises → this belongs to the causes and conditions of impure karma; mental evil karma has already been performed. - The mind does not move; the foot merely hurts — neither aversion nor deliberately cultivating loving-kindness; this is indeterminate. - The mind instead thinks "he might also be in a hurry" — non-aversion is present; if at the same time there is no greed ("he owes me an apology"), no delusion ("the world is unfair to me"), this moment of understanding and non-resentment is the causes and conditions of pure karma.
What happens afterward: - If that flame of aversion is not noticed and burns all the way to the office, the mind still grinding its teeth — repeated activation, karmic increase. This treatise says: unwholesome karma that is deliberately intended, both performed and increased, is definitively destined for an unpleasant retribution in the future. - If that non-resentment is maintained and continues to be non-resentful through being late and through work delays — repeated activation of pure karma, increase of pure seeds.
Most common mapping error: "I didn't hit anyone or curse anyone, so this doesn't count as impure karma, right?" This treatise explicitly states that "unwholesome bodily, verbal, and mental karma" are all evil conduct, and mental karma counts too. That surge in the mind has already perfumed a seed in the ālayavijñāna.
Scene 2: The Night of Phone Scrolling
At 11 p.m. lying in bed, the algorithm delivers three types of content to your eyes:
A. The "happy" update of someone who once hurt you — jealousy arises in the mind. Greed (being unable to rejoice in another's good fortune) + delusion (not understanding dependent origination). B. A provocative commentary post — the longer you reply, the angrier you get. Aversion is primary. C. An AI-compiled video titled "Understand Buddhist Sutras in Three Minutes" — you finish watching and feel it is quite solemn and comfortable.
Applying the *Yogācārabhūmi-śāstra* criteria: - A and B are typical causes and conditions of impure karma, and moreover deliberately intended (you chose to watch, chose to reply) + repeatedly activated (scrolling without stopping) → all three conditions (deliberate intention, performance, increase) are fully satisfied. - C, if it is merely "quite solemn and comfortable," without genuine observation of things as they are, most likely falls into the indeterminate; but if because of this video, a certain part of your mind genuinely gives rise to the observation of non-greed, non-aversion, and non-delusion, that part is the causes and conditions of pure karma.
Most common mapping errors: - "I'm studying the Buddhadharma, so this should be pure karma, right?" — What is examined is the mind-root, not "whether the content encountered is Buddhist." If the motivation is "I'm afraid of falling behind my fellow practitioners" or "I want to show off what I've read," the root is still greed and delusion — impure. - "I'm just eating popcorn watching the drama; no one is affected." — Deliberate intention, performance, and increase are all present; a line of text has already perfumed a seed in consciousness.
Scene 3: Two Emails During Overtime
Friday at 5:30 p.m., you are rushing a proposal due tomorrow. The boss has revised it a third time and moved the deadline up.
Email A: Replying to the supervisor, "Okay, I'll handle it right away." In the mind, you genuinely feel this is your responsibility, without the resentment of "why me" (non-aversion), without the calculation of "this should be someone else's job" (non-greed), without the delusion of "I shouldn't be responsible" (non-delusion). The causes and conditions of pure karma are complete.
Email B: A colleague asked a small question at 4 p.m., and you are irritated: "Can you not come in the last hour." You reply coldly, and secretly hope the other person feels that you are working overtime — this is a hidden wound tinged with aversion. The other person may not read it, but the mental karma has already been completed.
Colleague C emails you about something you should have handled long ago, and you have been putting it off. You know it is your own fault, but you choose to reply vaguely — this is a combination of delusion (not facing your own fault) + greed (protecting your self-image), a typical case of the impure.
Most common mapping errors: - "I helped, I didn't harm anyone, so purity and impurity don't matter that much, right?" — It is not a question of "whether there is external help"; it is a question of which mind-root is driving each activation of thought. - "I felt guilty afterward, so my karma is purified, right?" — Post-hoc remorse (a mind of regret) is a good counteraction and can cause the seed to no longer increase (shifting from fixed retribution to indeterminate retribution), but calling it "pure" is imprecise. To truly transform defilement into purity requires the structure of the ten kinds of counteraction; remorse is one of them, not all of them.
Scene 4: The Phrase "Just a Friend" in an Intimate Relationship
Your partner asks who you had dinner with, and you actually had a meal with a friend of the opposite sex. To avoid explaining, you gloss over it vaguely.
- One starting point: Knowing it might trigger an argument, you still choose to be honest — non-greed (not clinging to "I must maintain a certain image"), non-aversion (not concealing out of fear the other might be angry), non-delusion (seeing that honesty may be a long-term blessing). Causes and conditions of pure karma. - Another starting point: To avoid trouble and protect your secret, you lie — greed (clinging to "I want peace") + delusion (not seeing the possible benefit of honesty). Impure karma, and often deliberately intended, both performed and increased (once you lie, you must fabricate more lies to complete the story, and the seed expands).
Most common mapping errors: - "I was protecting the other person." — A good motivation ≠ pure causes and conditions. Behind a wholesome mind of care, if there is still clinging to "I want you to be protected in the way I imagine," that clinging itself is impure. Purity requires "non-greed" — not clinging to whatever result I want. - "A white lie doesn't count as karma, right?" — All deliberately intended verbal karma has outflows; however well-intentioned, it is impure (at most the inducing karma is slight and the increase is small). This is where contemporary people most often hypnotize themselves.
Scene 5: The Shout in Parenting
The child knocks over the milk again. You are exhausted after a long day and shout on the spot. Afterward you blame yourself: "I shouldn't have done that."
Breaking this down according to the treatise: - The shout at that moment: bodily karma (pushing, throwing) + verbal karma (scolding) + mental karma (aversion) — all three karmas are complete, and it is deliberately intended, both performed and increased. - The "I shouldn't have" afterward: a mind of shame arises (a mind of regret), which is a good counteraction — but it is only one of ten kinds of counteraction. If afterward one can guard the sense-doors (practicing awareness of oneself when exhausted), cultivate the higher training in discipline (establishing "I will not lay hands on my child" and upholding it), and cultivate the higher training in mind (mindfulness, meditative concentration), then one is truly on the path of purification. - If one only repeatedly feels guilt without a structure of counteraction: when exhaustion and impulse arise again, the seeds accumulate, and at the final moment of death, the activation determines the trajectory of the next life.
Most common mapping errors: - "I feel very guilty, so the problem is not serious." — Shame is the starting point, not the endpoint. This treatise explicitly states: when the ten kinds of counteraction are encountered, karma attains purity — the ten kinds of counteraction are a sustained structure, not "I thought about it." - "I suppressed it and didn't lose my temper, so this counts as pure, right?" — Suppression is a temporary cessation of action at the bodily and verbal level, but the mental karma is still there. If suppression is merely suppression with resentment still underneath, it is karma that has not increased, not genuinely pure.
Scene 6: The Moment in the Workplace When Silence Is Not Required
A colleague reports the project as 90 points (it is actually 70), and 30% of it is yours. You hear the supervisor's report and say nothing. Two voices in your mind: "Why should I expose it?" "But... this is lying."
This treatise has this passage: > 「於聖教中持顛倒見、住自見取、邪決定或猶預者所有善不善業，依其情形名為穢業或濁業。」（《瑜伽師地論》）
You are not an outsider (not crooked karma), but you hesitate — this itself shows that you have no pure determination in this matter. This treatise explicitly lists "hesitation" as a marker of the defiled and turbid.
As for the mental karmic causes and conditions of staying silent: - Greed: fear of offending people, wanting to maintain the colleague relationship. - Aversion: not bothering to clarify things for the other person. - Delusion: "It's none of my business anyway."
Each of these causes the "staying silent" to plant a corresponding impure seed.
Scene summary: - The unit of determination for "pure/impure" is not "one externally visible event," but "one activation of a thought." - The same external behavior (giving money, saying nice things, helping an old person up), because of different mind-roots, falls on completely different rungs. - "I did a good deed" in no way equals "I planted a pure seed" — this is the causal logic that contemporary people most commonly flatten.
III. Why Contemporary People Need It
1. Counteracting Two Charming Contemporary "Single-Cause Determinist" Views
- Fatalist single-cause theory: astrology, birth charts, purple star astrology, "Mercury retrograde" determine everything. - Self-motivational single-cause theory: as long as you work hard enough, are mindful enough, and are aware enough, you can change everything.
The *Yogācārabhūmi-śāstra* refutes both. - It refutes "celestial phenomena determine everything" — "If one acknowledges that pure and impure karma is what is done, one should not again calculate the sun and moon as the agents." - But it also does not accept the self-motivational single-cause theory — because positive labels like "effort," "mindfulness," and "self-growth" themselves still require examination of the mind-root to determine purity and impurity. A person who does mindfulness practice out of "I want to become spiritually superior to others" is, according to this treatise, still the impurity of greed and delusion, merely packaged in more sophisticated language.
The third path it offers: multi-layered causal interweaving. The most excellent cause of birth (delight in and attachment to conceptual elaboration), the most excellent cause of differences after birth (pure and impure karma), and the fact that already-performed karma can be changed by the ten kinds of counteraction (from fixed retribution to indeterminate retribution, up to permanent severance from bondage). We are neither puppets of fatalism nor protagonists of "just think it and it will happen"; we are sentient beings with bright and dark seeds within body and consciousness, capable of reducing the growth of impure seeds through counteraction.
2. Counteracting the Omission of "Psychologization": The Mind-Root Is Deeper Than Symptoms
Contemporary psychology excels at describing surface phenomena — anxiety, depression, avoidant attachment, perfectionism, impostor syndrome — but this treatise pushes analysis to the root that gives rise to these states: is it greed? Is it aversion? Is it delusion?
This practice of pushing all the way to the bottom is especially scarce in the contemporary era. Familiar things like "self-care," "setting boundaries," and "emotional awareness" are all good, but they do not directly address the mind-root — they change the manner in which behavior and feeling manifest, but they may not transform that root. "Pure and impure karma" reminds us: true purity must touch that deep root of defilement, not wrap it in better packaging.
This has both dialogue and tension with mindfulness research: mindfulness works for many people, but whether its purifying effect touches the root of the three poisons remains an open question in contemporary academic and practice communities. The Buddhist answer would be — mere concentration is not enough; one must also be "rightly determined and not hesitating in the noble teaching," which means having clarity of view and establishment of direction.
3. Counteracting the Self-Hypnosis of "I Am a Good Person, So My Motivation Is Pure"
Contemporary culture vigorously encourages "goodness," "inclusiveness," "self-care," and "positive thinking," but the *Yogācārabhūmi-śāstra* coolly reminds us: - The meritorious deeds of outsiders are called "crooked" (even if they do many things that appear good, because the view is fundamentally distorted). - The wholesome karma of those holding inverted views within the noble teaching is called defiled. - The wholesome karma of those still hesitating in their views is called turbid.
If behind a good deed lies the consolidation of self-grasping ("I am a good person," "I am more noble than those indifferent people"), then that good deed is at best a meritorious act that makes saṃsāra more comfortable, not a cause of liberation. A contemporary person who appears very virtuous, if their mind-root has never been illuminated by non-greed, non-aversion, and non-delusion, may not be performing pure karma at all.
4. Counteracting the Hidden Karmic Defilement of the "Attention Age"
One of the real pressures of the contemporary era: the density of external stimuli drives our thoughts to an extremely high pitch — algorithms send our attention toward greed, aversion, and delusion every minute. This treatise's emphasis on the weight of mental karma is especially glaring in this age.
One can make an extremely conservative analogy (an analogy only, not an equivalence): if neuroscience discovers that emotional responses have habitual pathways ("neuroplasticity"), then the three words "deliberately intended, both performed and increased" precisely describe the process of reinforcing that pathway; conversely, "counteraction, guarding the sense-doors" is equivalent to giving another pathway the opportunity to be established. But this analogy has obvious limitations. The Buddhist "consciousness," "seed," and "perfuming" are far deeper categories; neuroplasticity is a biological capacity for change and is not equivalent to liberation. Equating the two is, in fact, one of the two most common kinds of arrogance in the present age.
5. A Mirror Against the Arrogance of "I'm Already Good Enough"
"I abstain from killing, abstain from alcohol, occasionally do volunteer work — that should be enough, right?" — According to this treatise, you may already be creating meritorious results, but to rise to pure karma, it depends on whether you are rightly determined and not hesitating in the noble teaching: do you have a clear view of "the suffering of sentient beings," "the reality of saṃsāra," and "the attainability of nirvāṇa"? Are you still seeking security in the image of "the good me"?
To truly move toward liberation, one needs not only pure karma but also quiescent karma — that is, the karma of learning and beyond-learning of the saints. This reminder is a precious mirror against arrogance for contemporary people.
IV. Common Misreadings and Clarifications
A Summary Table
| Misreading | Clarification | |---|---| | "Pure karma = wholesome karma; impure karma = unwholesome karma" | Not equal. Wholesome karma ⊃ pure karma; the crooked karma of outsiders, however great its merit, does not count as pure karma. | | "Pure karma is anything good" | No. Pure karma is the wholesome karma of ordinary beings of this Dharma who are rightly determined and not hesitating; the karma of saints is called quiescent karma, a level higher. | | "Pure and impure karma = fatalism" | No. The treatise explicitly states that the ten kinds of counteraction can cause already-performed karma not to increase, shifting it to indeterminate retribution, up to permanent severance from bondage. | | "Pure and impure karma only looks at external behavior" | Wrong. This treatise cites all three karmas together, with mental karma the most subtle and most fundamental; the criterion is the mind-root (greed, aversion, delusion), not the result. | | "Feeling guilty once purifies it" | Insufficient. Shame is one of the ten kinds of counteraction; one also needs the guarding of sense-doors, the higher training in discipline, the higher training in mind, and other sustained practices. | | "I've studied Buddhism, so this is pure karma" | Not necessarily. If the view is still inverted or hesitating, according to this treatise it still belongs to defiled or turbid karma. | | "Karmic retribution must lead to the three bad destinies" | Not necessarily. In the case of black-white-black-white retribution, one experiences pleasure and pain mixed within good destinies; moreover, the "most excellent cause" structurally determines which cause comes first, not a single-line "one cause, one effect." | | "If I recognize it, it doesn't count" | Wrong. The wisdom that recognizes the impure can itself be the beginning of counteraction, but before counteraction, already-performed karma still activates as usual. | | "This concept is very pessimistic" | Neutral. It describes both the defiling path of the impure and the path of growth of the pure; moreover, it says any already-performed karma can be counteracted. This is a picture that gives people freedom, not a chain of fate. |
Two Key Clarifications Worth Isolating
Clarification 1: "Pure Karma" ≠ All Wholesome Karma
This is the most common rhetorical trap — "I have done many good deeds, so I must have many pure seeds." The definition of this treatise dismantles this intuition:
- Crooked karma: the wholesome karma of outsiders, for example altruistic activities done with self-view at the center and under inverted views. Even if it is a cause of human and heavenly merit, because the mind-root is not the three wholesome roots but carries inverted views, it does not count as pure karma. - Defiled karma: the karma of those who cultivate within the noble teaching but hold inverted views on core doctrines (such as the four noble truths, dependent origination, non-self). - Turbid karma: the good deeds of those within the noble teaching who are hesitating or wrongly determined — for example, people who have studied Buddhism but whose starting point is still "I want to live well," "I want to be recognized," "I want to be spiritually superior to others." Such a mind-root is still of the greed-delusion type. - Pure karma: being genuinely rightly determined and not hesitating in the noble teaching — that is, the view has been decisively clarified, even if one has not yet seen the path. Only the karma done by such an ordinary person is called pure karma.
Once this is clear, contemporary practitioners will have much less self-comforting "I've done so much giving, that should be enough."
Clarification 2: The "Defilement" of Karmic Defilement Is Structural, Not a Single Event of One Emotion
In this treatise, the "defilement" in "karmic defilement" is an intensifying word — defilement (saṃkleśa) refers to the defiling stains of the afflictions. - A single malicious thought may be a weak seed; when activated again and again, deliberately intended, both performed and increased, that seed is thickened, concentrated, and strengthened — this is the expansion of karmic defilement. - Counteraction is also intensifying: not occasional counteraction, not single counteraction, but "the ten kinds of counteraction," "guarding the sense-doors," "cultivating the higher training in discipline and the higher training in mind" — this is a complete structure.
The specific ten kinds of counteraction are listed item by item in this treatise. The general concepts include: faith in the fruition of karma, shame for what has been done, remorse for what has not been done, counteracting presently active afflictions (such as cultivating loving-kindness when anger arises), guarding the sense-doors (the six senses not rushing outward), knowing moderation in food, diligently cultivating wakefulness, mindfulness and clear comprehension, timely cultivation, and associating with good spiritual friends (for the specific enumerations, please consult the original counteraction chapter of the *Yogācārabhūmi-śāstra*). A momentary inspiration or remorse is the starting point, but not the endpoint; structured, long-term cultivation is the real thing.
Conclusion
The concept of "pure and impure karma" is, in essence, a map of the mind's brightness and darkness: every activation of thought that contemporary people experience hundreds of times in a single day falls somewhere on this map. It explains both how the impure accumulates into defilement and how the pure is guarded and increased; it emphasizes both the non-fatalism of multi-layered causal interweaving and the openness of every moment still being subject to counteraction.
It gives people neither the chain of fate nor the cheap "just think it and it will be fine." What it gives is a long-term, honest path propelled by a pure mind-root — and whether this path can be walked depends, at every step, on whether that present thought falls upon the three wholesome roots or upon the three poisons.