Web search is unavailable, so I'll work strictly from the provided classical materials and cite only what I can ground in them. Here is the full interpretation:
異生性 (pṛthagjanatva) — The Condition of Being "Otherwise-Born"
这个概念在说什么
There is a word in the Abhidharma that names what you are right now — not as an insult, not as a moral verdict, but as a precise structural description. That word is 異生性 (pṛthagjanatva), "the state of being a pṛthagjana" — an ordinary being, a worldling, one who is "born into difference," scattered into the manifold rather than gathered into the one taste of liberation.
And here is the first surprise: the *Abhidharmakośa* (《阿毘達磨俱舍論》, T1558) defines this condition not as the *presence* of something bad, but as the *absence* of something not-yet-acquired. The verse states plainly:
「許聖道非得，說名異生性，得法易地捨。」 "The non-acquisition (非得, aprāpti) of the noble path is what is called 異生性; it is abandoned when one acquires that dharma or shifts one's ground."
Three words in the tradition point to the same reality from different angles: 異生性 (the condition), 非得 (non-acquisition, aprāpti), and 不獲 (not having obtained). They are synonyms — "同義異名" — differing only in the angle of designation. 異生性 names what you *are* (a worldling); 非得 names the *mechanism* (a non-acquisition); 不獲 names the *fact* (you have not obtained). None of the three adds a positive stain. You are not *marked* by sin; you are *defined* by an absence.
What kind of absence? The ethical status
This is where the Abhidharma's precision becomes almost startling. Every dharma in the Sarvāstivāda system is classified ethically: wholesome (善), unwholesome (不善/染污), or indeterminate (無記). Within indeterminate, there is a further split: 有覆無記 (obscured-indeterminate — ethically neutral but cognitively distorting, like the self-view latent in saṃsāric existence) and 無覆無記 (unobscured-indeterminate — neutral and *not* distorting).
異生性 falls into the second category: 唯無覆無記性攝 — "exclusively unobscured-indeterminate." The *Kośa* proves this with a razor-sharp argument:
「異生性是不染污，無記性攝，已離欲者斷善根者猶成就故。」 "異生性 is non-defiling, of indeterminate nature — because even one who has transcended desire and one who has severed the roots of goodness still possess it."
Think about what this means. A meditator who has suppressed all sensual desire through the form-realm absorptions — still a worldling. A person so morally degraded that they have "severed the roots of goodness" (斷善根, icchantika-like) — still a worldling. Both still *have* 異生性. If it were a defilement, the desire-free meditator would have lost it. If it were wholesome, the root-severed person would have lost it. It is neither. It is the sheer structural fact of *not yet having acquired the noble path* — no more and no less.
This has a profound implication: being a worldling is not a moral failing. It is a position. A coordinate. A "not-yet."
The scope of "not having obtained" — three views
What exactly does the "non-acquisition" cover? The *Kośa* presents three positions without forcing a single verdict:
1. The Vaibhāṣika (有部) orthodox position: Non-acquisition of *all* noble dharmas (不獲一切聖法). The reasoning: "此一句中含純義故" — this single phrase contains the pure, complete meaning. You are a worldling so long as you lack the *entirety* of the noble path.
2. Another teacher's view: Limited to non-acquisition of 苦法智忍 (duḥkhe dharma-jñāna-kṣānti, the patience/acceptance that is knowledge of the truth of suffering) and its co-arising dharmas. On this view, 異生性 is defined narrowly by the *first* moment of seeing the truth — the entry-point.
3. The Sautrāntika (經部) view: "曾未生聖法相續分位差別名異生性" — 異生性 is the *phase-distinction in the continuum* (相續分位差別) wherein noble dharmas have never yet arisen. This is not a separate entity but a way of describing a stretch of the mental stream.
The *Kośa*'s author (Vasubandhu) remarks: "經部師所說為善" — "the Sautrāntika explanation is good." But this is a preference, not an excommunication. The Vaibhāṣika framework remains fully operative within its own system.
When is it abandoned?
The verse says: "得法易地捨" — abandoned upon acquiring the dharma or shifting ground. Concretely: when 苦法智忍 arises — the very first instant of direct, non-conceptual seeing of the Four Noble Truths, the entry into the path of seeing (見道, darśana-mārga) — at that moment, 異生性 is dropped. The text specifies: "此在未來捨異生性" — "this [the kṣānti] is in the future [at the point of] abandoning 異生性."
Other teachers proposed different moments: some said 世第一法 (laukikāgradharma, the supreme worldly dharma — the last moment before seeing the truth) already drops it; others said it is dropped jointly by 忍 and 世第一法. Vasubandhu rejects both: 世第一法 is still a *worldly* dharma (同名世間法), and its nature is incompatible (性相違) with the act of abandoning a worldly condition. You cannot leave the worldling's ground while still standing on worldly soil.
A technical knot: the infinite regress
If 非得 (non-acquisition) and 得 (acquisition, prāpti) generate each other, doesn't that produce an infinite regress? The *Kośa* resolves this with the doctrine of simultaneous triple arising: "法生時并其自體三法俱起" — when a dharma arises, three things arise together: the dharma itself (本法), its acquisition (法得), and the acquisition of that acquisition (得得). There is no temporal chain; the structure is synchronic. The regress dissolves because the system is not a sequence but a constellation.
異生性 vs. 異生同分
One more distinction. 異生同分 (pṛthagjana-sabhāgatā) is the *class-membership* of worldlings — the fact that ordinary beings resemble one another, share a kind. 異生性 is the *structural condition* (the non-acquisition itself). They are dropped at the same moment — "入正性離生位時捨異生同分，得聖者同分" (upon entering the stage of correct nature and departure from birth, one abandons worldling-class-membership and acquires noble-class-membership) — but they are not the same thing. One is a taxonomy; the other is a mechanism.
生活里的走查
Let's walk this concept through a Tuesday.
7:42 AM, the commute. You're on the subway, earbuds in, scrolling. A thought surfaces: "I should really start meditating seriously. I've been saying that for three years." You feel a small pang — not guilt exactly, more like the awareness of a door you keep walking past. In the Abhidharma's language, that door is 聖法 (noble dharma), and your relation to it right now is 非得 — non-acquisition. Not rejection. Not hostility. Just: it has not arisen in your continuum. You are, in this precise technical sense, a pṛthagjana. And — crucially — that fact is 無覆無記. It is not a stain on you. It does not obscure. It is the shape of where you are, the way "not yet having learned to swim" is the shape of where a non-swimmer stands at the pool's edge. The water is not angry at you. You are not a "bad walker" for not yet having walked this particular road.
Where people mis-map this: The immediate modern reflex is to moralize. "I *should* be further along. I'm *failing* at practice." That imports a defilement-framework onto what the Abhidharma explicitly classifies as non-defiling. 異生性 is not your sin; it is your coordinate. The pang you feel is not the 異生性 itself (which is neutral) — it is your *reaction* to the coordinate, which may be wholesome (saṃvega, spiritual urgency) or unwholesome (self-aversion), but is a separate dharma entirely.
11:15 AM, the open-plan office. A colleague gets praise for a project you contributed to. You feel the hot flicker of resentment, then the cooler wave of "I shouldn't feel this," then the meta-wave of judging yourself for judging. Three layers in four seconds. Now: the *Kośa* says that even a person who has "severed the roots of goodness" (斷善根) still possesses 異生性 — and so does a meditator who has "transcended desire" (已離欲). What this means for your Tuesday: the *range* of moral and meditative achievement among worldlings is enormous. The resentful colleague-poisoner and the serene jhāna-master are both pṛthagjanas. The category "worldling" does not sort by moral quality. It sorts by one binary: has the direct seeing of truth (苦法智忍) arisen or not? Everything else — your kindness, your cruelty, your calm, your chaos — is variation *within* the category, not the criterion *of* the category.
Where people mis-map this: We tend to think "spiritual progress" is a gradient — a dimmer switch you slowly turn up. The Abhidharma says: within 異生性, yes, there are gradients (moral cultivation, concentration, wisdom-study). But the *exit* from 異生性 is not a gradient. It is a phase transition. 苦法智忍 either has arisen in your stream or it has not. The "supreme worldly dharma" (世第一法) — the absolute peak of what worldly practice can achieve — is still *worldly*. You cannot gradient your way across. Something qualitatively different must happen: direct seeing, not more polishing.
9:30 PM, the apartment. Your child asks, "Why do people suffer?" and you give a good answer — a kind, age-appropriate answer — and then feel oddly hollow, because you realize you've never actually *seen* the answer yourself. You've assembled it from books, from podcasts, from the half-remembered cadence of a teacher's voice. You can *talk* about the Four Noble Truths. You have not had 苦法智忍. In the Sautrāntika framing, your continuum is in the "phase-distinction wherein noble dharmas have never yet arisen" (曾未生聖法相續分位差別). You are fluent in the map. You have not set foot in the territory. And that "not having set foot" is not a character flaw. It is 異生性. Neutral. Unobscured. Simply the not-yet.
Where people mis-map this: The contemporary "imposter syndrome" frame says: "You're *faking* it; you don't *really* know." But the Abhidharma does not accuse you of fraud. It says: the dharma has not yet arisen in your stream. Full stop. No judgment attached. You are not performing a lie; you are in a genuine, structurally describable *position*. The honesty of the Abhidharma is that it names the position without shaming you for occupying it.
11:58 PM, the last scroll before sleep. An algorithm feeds you a video titled "I Achieved Enlightenment in 30 Days." You feel a twinge of envy, then skepticism, then a weary "maybe it's possible for some people but not me." Notice: the envy and the self-doubt are *defilements* (染污法) — they are 有覆, obscuring. But your underlying status as a worldling — the mere fact that 聖法 has not arisen in your continuum — is *not* those defilements. You could, in principle, be a perfectly kind, concentrated, philosophically sharp person and still be a pṛthagjana. The 異生性 would remain, because it is defined by one thing only: the absence of direct noble seeing. Everything you "have" — virtue, calm, learning — does not subtract from it. Only one event subtracts from it: the arising of 苦法智忍.
当代人为什么需要它
1. It de-moralizes the starting point.
Contemporary spiritual culture oscillates between two toxic poles: "You are already perfect, just wake up" (which makes the genuine difficulty of the path invisible) and "You are deeply broken and must fix yourself" (which makes the path feel like penance). The Abhidharma offers a third option that is neither flattering nor shaming: *You are in a specific structural position. That position is ethically neutral. It has a specific exit condition. The exit is not a moral reward for being good enough; it is a cognitive event — seeing truth directly.*
This is liberating in a way that is hard to overstate. You do not need to become a better person *in order to* leave worldling-status. You need to *see*. Moral cultivation supports seeing; it does not constitute it. The meditator in the fourth jhāna who has not seen truth is still a pṛthagjana. The person of modest virtue in whom 苦法智忍 arises is no longer one. The criterion is not "how good are you" but "have you seen."
2. It names the default without drama.
We live in an era of identity proliferation — every interior state gets a label, and every label becomes a tribe. 異生性 is a label that does the opposite of what identity-labels usually do. It does not make you special. It does not give you a story about yourself. It says: "You share this with every being who has not yet seen truth. It is the most common condition in the universe. It is not interesting. It is not your personality. It is the default from which the path departs."
There is a quiet dignity in this. The Abhidharma does not need you to feel *bad* about being a worldling. It needs you to feel *accurate*. Accuracy is the ground from which the path begins — not guilt, not aspiration, not inspiration, but the clear-eyed recognition: "This is where I am. This is the coordinate. This is what has not yet happened."
3. It preserves the radicalness of the path's entry.
If leaving worldling-status were a gradient — if you could be "70% enlightened" — then the path would collapse into self-improvement, and self-improvement has no terminal point. You could always optimize further. The Abhidharma's binary (you either have 苦法智忍 or you don't; you either are a pṛthagjana or you aren't) preserves the *event-character* of awakening. Something *happens*. A door opens that was not open before. You cannot half-open it. The 世第一法 — the absolute summit of worldly practice — is still on *this side*. The kṣānti is on *that side*. The gap is not a matter of degree.
This is not discouraging. It is clarifying. It tells you what you are actually aiming at: not a slightly better Tuesday, but a structural reorganization of how truth appears to you. And it tells you that all the genuine work you do — ethics, concentration, study, reflection — is *preparation* for that event, not a slow accumulation of "enlightenment points." The preparation is necessary. It is not sufficient. The sufficiency comes from the seeing itself.
4. A note on contemporary parallels — and their limits.
Cognitive science speaks of "pre-reflective" vs. "reflective" awareness; AI researchers distinguish between a system that processes information and one that "understands" it (whatever that means); developmental psychology marks phase-transitions in cognition (Piaget's stages are not gradual). These resonances are suggestive. One might say: 異生性 is like the pre-reflective condition — you *have* experience but have not yet *seen through* its structure. The kṣānti is like the moment a child achieves object permanence: it is not more information; it is a reorganization of the cognitive field.
But the analogy must not be pressed into identity. The Abhidharma's claim is not a psychological developmental stage that everyone naturally matures into. It requires specific conditions — hearing the dharma, moral preparation, concentrated attention, wise reflection — and it is, in the tradition's own framing, *rare*. The parallel with developmental psychology risks implying inevitability ("everyone gets there eventually"), which the Buddhist tradition explicitly denies. And the AI analogy risks implying that "understanding" is a computational achievement, which strips the soteriological stakes entirely. Use the parallels as finger-pointing; do not mistake them for the moon.
常见误读与澄清
Misreading 1: "異生性 means I'm inherently sinful / fallen / broken."
No. The *Kośa* is explicit: 唯無覆無記性攝. It is not a defilement. It does not obscure. It is not unwholesome. The Christian framework of "original sin" — a positive inherited stain that must be washed away by grace — is structurally different. 異生性 is an *absence*, not a *presence*. You are not stained; you are *unarrived*. The metaphor is not "dirty glass that must be cleaned" but "unlit room that has not yet met the lamp." The lamp's arrival is not a moral reward; it is an event with conditions.
Misreading 2: "If it's ethically neutral, then moral effort doesn't matter."
Also no. The *Kośa* classifies 異生性 itself as neutral, but the *path to its abandonment* is saturated with ethical requirements. You do not arrive at 苦法智忍 by accident. The entire apparatus of śīla (ethics), samādhi (concentration), and prajñā (wisdom) is the condition for the kṣānti's arising. The neutrality of 異生性 means: *being* a worldling is not your punishment. It does not mean: *remaining* one is costless. The door is unlocked; you still have to walk to it.
Misreading 3: "異生性 is the same as ignorance (無明, avidyā)."
They overlap in reference (both characterize the worldling) but differ in classification. 無明 is a defilement (染污), an obscuration (有覆), a kleśa. It is actively distorting. 異生性 is none of these — it is the *structural absence of noble acquisition*, not the *active presence of cognitive distortion*. You could say: 無明 is the *reason* you haven't seen; 異生性 is the *fact* that you haven't seen. One is causal and defiling; the other is descriptive and neutral. The Abhidharma keeps them separate because precision about *what kind of thing* a problem is determines *what kind of solution* applies. You do not "purify" an absence; you *fill* it. You do not "fill" a defilement; you *uproot* it.
Misreading 4: "Once you're a stream-enterer (須陀洹), you can never be a worldling again — so 異生性 is a permanent identity for everyone else."
The first clause is correct: 異生性, once abandoned, does not return (the noble path is irreversible in this regard). The second clause does not follow. 異生性 is not a *permanent identity* for the worldling; it is a *temporary position* that has not yet met its abandoning condition. The *Kośa*'s entire architecture is soteriological — it describes the path *out*. To read 異生性 as a fixed caste-marker is to miss the point of the entire treatise. The verse says "得法易地捨" — it *is* abandoned. The grammar is not "might be" or "could be." It is abandoned. The only question is: when do the conditions assemble?
Misreading 5: "The Diamond Sutra says '凡夫即非凡夫' — so 異生性 is ultimately unreal and doesn't matter."
The *Vajracchedikā* (《金剛般若波羅蜜經》) does employ its signature three-part formula regarding the worldling: "凡夫者，如來說即非凡夫，是名凡夫" — "What is called a worldling, the Tathāgata says is not [ultimately] a worldling; therefore it is called a worldling." This is a statement about *ultimate* (paramārtha) status: no fixed, independent, self-existent entity "worldling" can be found. But the *Kośa* operates at the level of *conventional* (saṃvṛti) Abhidharma analysis, where dharmas have real causal efficacy and the path has real stages. These are not contradictory; they are different descriptive registers. At the conventional level, 異生性 is a real, describable, abandonable condition. At the ultimate level, no dharma — including 異生性, including the path, including nirvāṇa — has inherent existence. To collapse the two registers is to lose the function of both: you cannot walk a path you have declared unreal, and you cannot liberate from a bondage you refuse to name.
Misreading 6: "The Sautrāntika view (it's just a 'phase-distinction') means 異生性 isn't real."
The Sautrāntika position — "曾未生聖法相續分位差別名異生性" — does deny that 異生性 is a *separate substance* (dravya) over and above the mental stream. But "not a separate substance" is not "not real" in the way contemporary readers often hear it. The stream is real. The phase is real. The fact that noble dharmas have not yet arisen in it is a real, causally significant fact. The Sautrāntika is making an ontological parsimony argument (don't multiply entities), not a nihilistic one (nothing matters). Vasubandhu's "經部師所說為善" endorses the parsimony, not a dismissal.
A closing word
If there is one thing to carry away from this concept, let it be the *tone* of the Abhidharma's address. It does not say: "You are lost, and wretched, and far from home." It says: "You have not yet acquired this. That is all. That is the whole description. And 'not yet' is not a verdict — it is a direction."
異生性 is the name for the "not yet." And the path is what happens when the "not yet" meets its conditions — when hearing, reflection, moral grounding, and concentrated attention converge into a single instant of seeing that reorganizes everything. Until then, you are here. And "here" is not a condemnation. It is a coordinate. And coordinates exist to be departed from.
The verse holds the whole thing in twelve characters: 許聖道非得，說名異生性，得法易地捨. Non-acquisition, named, abandoned. Three beats. The whole career of a worldling, compressed into the space between one breath and the next.
*Primary source: 《阿毘達磨俱舍論》(Abhidharmakośa-bhāṣya), T1558, 毘曇部. All quotations above are drawn from the provided classical entry keyed to this text. The Diamond Sutra citation (《金剛般若波羅蜜經》, T235) is referenced for its treatment of 凡夫 and follows the sutra's standard three-part formula; it is cited as a cross-traditional resonance, not as a source within the Kośa's own argument.*