一、这个概念在说什么 (What This Concept Is Saying)
麤言 (cū yán), often rendered as "harsh speech" or "rough, abusive language," is one of four kinds of bodily-verbal action discussed in classical Indian Buddhist ethics — the so-called 口四業 (*kǒu sì yè*, "four verbal actions"): 妄言 (false speech), 綺語 (frivolous speech), 兩舌 ( divisive speech), and 麤言 (harsh speech). Together, these four (alongside three bodily actions) constitute the 十不善業道 (ten unwholesome courses of action) that the 十善業道 (ten wholesome courses of action) are defined in opposition to.
The Classical Definition
The 《中阿含經》 (*Madhyama Āgama*, T0026) gives the canonical definition, repeated almost verbatim four times in the same scripture (in the Nandiya the Potter episode, addressed to Ānanda, to the king, to the elders, and in summary):
「辭氣粗獷，惡聲逆耳，眾所不喜，眾所不愛，使他苦惱，令不得定，說如是言。」 *"Words and tone that are rough, harsh sounds that grate on the ear, what the multitude does not delight in, what the multitude does not love, that causes others suffering and distress, that prevents them from attaining meditative absorption (定, samādhi) — such are the words one speaks."*
Let us walk through this slowly, because every clause carries weight.
1. 辭氣粗獷 — "Words and breath coarse and wild." 麤 (cū) is the character used for the Sanskrit *pāruṣya*, meaning roughness, hardness, an unmannerly bluntness. This points not only to the words themselves but to the *qi* (氣, breath-energy) that carries them — the tone, the volume, the manner of exhalation. So the definition already implies that the problem is not merely lexical.
2. 惡聲逆耳 — "Harsh sound, offensive to the ear." This is the immediate sensory impact. "逆耳" literally means "against the ear" — the listener feels the sound as a small physical assault. A word that enters the ear and exits without affecting the heart is neutral; a word that enters and lodges there painfully is the target.
3. 眾所不喜，眾所不愛 — "What the multitude does not like, what the multitude does not love." The criterion is communal: it is not merely the speaker's taste or the addressee's; it is the kind of speech the surrounding community itself finds unpleasant. This already excludes any claim that one is speaking "for the listener's good."
4. 使他苦惱 — "Causes others suffering and distress." The karmic arrow is explicitly outward. The work that 麤言 does is *on someone else* — it adds a weight to another's mind.
5. 令不得定 — "Prevents [the listener from] attaining concentration/absorption." This is the most distinctive clause and the most easily missed. The harm is not only affective (he/she feels bad); it is *meditative*: the harsh word throws the listener's mind into such a state that they cannot settle into samādhi. The implication is that 麤言 is treated as a karmic act of *disrupting another person's path to liberation*.
Important nuance on intent (故意/故作): The 《中阿含經》 places 麤言 in a karmic framework in which only *intentional* ("故作") verbal misconduct necessarily ripens into karmic consequence: "故意造口四業必受報，或現世受，或後世受；不故作則不必受報." This is not a license for slip-ups; it is a teaching about *volition* being the engine of karma. A word spoken in genuine ignorance or in a sudden accident does not bear the same karmic weight as one deliberately chosen. (For background, the four verbal actions are classed into "故作業" — actions done intentionally — versus those that may be unwholesome but unintentional.)
The Three Classical Metaphors — and What Each Specifically Says
Classical Buddhist writers did not content themselves with abstract definitions. They forged three specific images for 麤言, each pointing to a different facet. The system requires us to keep these distinct.
(1) The axe in the mouth — 斧在口中. This appears in both the 《雜阿含經》 (T0099, *Saṃyuktāgama*) and the 《法句經》 (T0210, *Dharmapada*, Faju/Vaḍīsa/Veddha):
「夫士世間生，利斧在口中；還自斬其身，斯由惡言故。應毀者稱譽，應譽而反毀；惡口增其過，所生無安樂！」 *"A man born into the world has a sharp axe in his mouth; it is he himself whom it cuts down, because of his evil speech. He praises those who should be blamed; he blames those who should be praised. The mouth of evil speech only increases his fault; wherever he is reborn, he has no peace."* ——《雜阿含經》
「斧在口中，所以斬身，由其惡言。」——《法句經》
*What this metaphor specifically says*: The harm of 麤言 is *self-directed*. The axe is *in the mouth*, not wielded against another — the very organ that utters the harsh word is the organ through which the speaker wounds himself. The metaphor refuses the easy self-understanding ("I was just venting, I hurt *them*") and turns the harm inward. It also flags a specific pathology: praise-blaming inversion (應毀者稱譽，應譽而反毀) — speaking well of the wicked and ill of the worthy. Harsh speech is not only a matter of tone; it can be a failure of discrimination.
(2) Dirt blown against the wind — 逆風還自污. Also from the 《雜阿含經》:
「若人無瞋恨，罵辱以加者，清淨無結垢，彼惡還歸己，猶如土坌彼，逆風還自污。」 *"If a person without hatred and resentment is met with scolding and abuse — that person is pure, without knot or stain; the evil returns to the speaker himself, like dust blown against the wind falls back on the one who throws it."*
「有於不瞋人，而加之以瞋，清淨之正士，離諸煩惱結。於彼起惡心，惡心還自中，如逆風揚塵，還自坌其身。」
*What this metaphor specifically says*: When the target is innocent and free of hatred (a person without 瞋恨, without resentment), the act of attacking them with harsh speech cannot "stick." The impurity does not lodge on the innocent target but rebounds to the attacker. This is a specific claim: it is one thing to curse someone who is in a state of anger; it is something quite different (and the karma is worse) to assail a 慈心正士 (a pure, kind-hearted practitioner). The image is the child's experiment of throwing dust into the wind and watching the cloud return to one's own face.
(3) Knives and staves returning to the body — 刀杖歸軀. From the 《法句經》 言語品 ("Chapter on Speech"):
「不當麤言，言當畏報，惡往禍來，刀杖歸軀。」 *"Do not speak harshly; one should fear the karmic retribution. When evil goes out, calamity comes back; the knives and staves return to one's own body."*
*What this metaphor specifically says*: This is the most somatic of the three. "刀杖" — knives and staves — are external weapons. The image is that the harsh word is itself a projectile, and the karmic return is the same projectile flying back as a weapon. This grounds the teaching in the felt sense that *the world I am doing violence to with my speech is also the world that will return violence to me*. The 法句經 then enumerates ten specific retributions for those who beat the good with sticks and falsely accuse the innocent: 生受酷痛 (acute bodily pain), 形體毀折 (broken body), 自然惱病 (chronic illness), 失意恍惚 (mental disorder), 人所誣咎 (false accusations from others), 縣官厄 (entanglements with authorities), 財產耗盡 (loss of wealth), 親戚離別 (separation from kin), 災火焚燒 (destruction by fire), and 死入地獄 (rebirth in hell after death). The list is remarkable for moving seamlessly from somatic to social to economic to post-mortem consequences — the harm of 麤言 is treated as *total-environmental*.
These three images are not interchangeable: - The axe is about *self-injury by one's own organ*. - The wind-borne dust is about *the failure to wound the innocent*. - The knife/stave is about *the eventual return of the karmic projectile*.
A reader who flattens them into "harsh speech is bad" has missed the diagnostic precision each one carries.
The Positive Counterpart — and the "Lifespan" Allegory
The 《中阿含經》 does not stop at prohibition. It gives the positive form of speech (almost in the same ritual cadence):
「清和柔潤，順耳入心，可喜可愛，使他安樂，言聲具了，不使人畏，令他得定。」 *"Clear, harmonious, gentle and moist, entering the ear and reaching the heart, pleasing and lovely, bringing others happiness, the words complete and clear, causing no fear, allowing others to attain concentration."*
Note the inversion: where 麤言 is 「辭氣粗獷…令不得定」 (rough…preventing concentration), the positive counterpart is 「清和柔潤…令他得定」 (gentle…allowing concentration). The two definitions are mirror images, and the literal Greek-style *antistrophic* structure suggests that early Buddhist communities used them as paired formulas to memorize.
The 《中阿含經》 then tells an allegory: in a degenerate age when human lifespan had fallen to 320 years, the people mutually exhorted one another to abandon 麤言. Because of this single wholesome action — leaving 麤言 — their lifespan doubled to 640 years. The teaching: even at the level of *ordinary worldly merit*, 離麤言 has visible collective consequences.
The Treatise from Vāsiṣṭha's Wife — 鞞陀提居士婦 — and the Four Immeasurables
A particularly vivid vignette in the 《中阿含經》 concerns the wife of Vāsiṭṭha the householder, who was "惡性急弊麤獷，不定不制不息" — violent-natured, sharp, rough, ungoverned, uncontrolled, unceasing. She cursed her black maid with such hateful speech that her bad name spread in all directions. The Buddha then introduces the 「五言道」 ("five-fold teaching on speech") and the instruction that when a practitioner is met with another's harsh speech, they should respond with the 四無量心 (four immeasurables: 慈 mettā / loving-kindness, 悲 karuṇā / compassion, 喜 muditā / sympathetic joy, 捨 upekṣā / equanimity). The key sentence: 比丘當學「心不變易，口無惡言」 — the practitioner should train in this: *the mind not changing, the mouth without evil speech*.
This passage deepens the concept in a crucial way: the cure for 麤言 is not passivity but a positive state of mind. One does not merely "shut up"; one cultivates a *mind* that, when met with harsh words, does not flinch into producing harsh words of its own. The four immeasurables are not weakness; they are a higher-order skill.
The 《法句經》 Final Criterion
The 法句經, written as a verse compendium for memorization, gives the simplest possible test:
「言語者，必使己無患，亦不尅眾人，是為能善言。」 *"Speech: it must bring no harm to oneself, and cut no one else. This is what counts as good speech."*
Two criteria — no self-harm, no harm to others — replace any number of rules.
How 麤言 Fits the Larger System
麤言 is one branch of the four verbal actions, but it is worth seeing it in the wider constellation:
- 妄言 (false speech) is wrong *about facts* (lying). - 兩舌 (divisive speech) is wrong *about relationships* (turning friends against each other). - 綺語 (frivolous speech) is wrong *about purpose* (empty, idle, sensual talk that wastes the mind). - 麤言 (harsh speech) is wrong *about manner and effect* (the word that cuts the listener).
These four are not always kept in the same order across scriptures, but the four-fold division is standard. The 《雜阿含經》's "小兒癡黠問答" (dialogue between the foolish and the clever child) gives them as: 不妄語、不麁澁言 (no harsh words), 不離間 (no divisive words), 不欺誑 (no deceit) — "to be truthful, not to speak roughly, not to divide others, not to deceive." The presence of 麤言 in this list makes clear that it is *not* a footnote to lying; it is its own category with its own negation.
The 《法句經》 also adds a sharp diagnostic: externally rigorous asceticism cannot compensate for an undisciplined mouth. It uses the image of naked ascetics (「倮剪髮，長服草衣，沐浴踞石」) and points out that if one does not cut off evil speech, what does it matter? "奈癡結何" — what does it do to the inner knot of delusion? Inner and outer practice are not exchangeable.
二、生活裡的走查 (Walking Through It in Daily Life)
Now to map this definition onto actual contemporary scenes. The classical definition gives us a checklist; the lived scenes below show what each clause looks like when we press it against a real moment.
Scene 1: The Workplace — "This Draft Looks Like It Was Written by an Intern."
It's Monday morning. A senior colleague reads the proposal you submitted and says, in front of the whole meeting: "This looks like it was written by an intern. Did anyone even read this?" He may not be swearing. He is using normal vocabulary. But let us run through the classical definition:
- 辭氣粗獷: Tone of voice — flat, dismissive, slightly performative. There is a kind of lazy cruelty in the cadence, the *breath* of the speaker. - 惡聲逆耳: The words themselves may be grammatical, but they *land* as a small slap. The listener's shoulders tighten. - 眾所不喜，眾所不愛: A quick poll of the room would show that no one present enjoys being spoken to in this tone. Even those who laugh along would, if asked privately, admit it is unpleasant. - 使他苦惱: Yes. The recipient's evening is now slightly ruined; they lie in bed rehearsing comebacks. - 令不得定: This is the precise clause people forget. For the rest of the day, the recipient cannot settle into *any* task — the harsh word has lodged itself in the mind and is still active. In contemporary language: their working memory is corrupted by rumination.
The classical metaphor that fits this scene most precisely is the axe in the mouth: the senior has not harmed the company; he has harmed *his own* working relationships. (That is also why the 《雜阿含經》 adds: 應毀者稱譽，應譽而反毀 — praising whom one should not, blaming whom one should not.)
Where contemporary people commonly map this wrongly: "I was just being direct. If you can't take feedback, that's a you problem." The classical definition refuses this. The question is not whether the *content* is true (the proposal may indeed be weak); the question is the *辭氣*, the *惡聲*, the *令不得定* effect. Directness can be 清和柔潤 (clear, harmonious, gentle); feedback delivered in this tone is not 麤言.
Scene 2: The Couple — "How Could You Forget? I Literally Reminded You Twice."
This is one of the most common 麤言 patterns in long-term relationships. The speaker is often not angry about the *forgotten event*; they are angry about feeling unappreciated. So they reach for the sharpest weapon they have — contemptuous speech. The classical diagnosis is exact:
- 辭氣粗獷 — The accent on "*twice*" is itself a small violence. - 令他苦惱 — Confirmed. - 眾所不喜 — A poll of one's friends would unanimously say they find this tone miserable.
The 《法句經》 speaks precisely to this when it says 「惡言罵詈，憍陵蔑人，興起是行，疾怨滋生」 — *harsh speech, scolding and cursing, arrogance, looking down on others, give rise to these — and hatred grows quickly*. Couples who speak this way often do not understand why resentment accumulates: the Buddha is telling them, twenty-five centuries ago, that this is exactly how hatred grows.
Scene 3: Parenting — "You're So Stupid. How Can You Not Get This?"
This is perhaps the most discussed instance in modern research on verbal aggression, and it is worth being careful here about how we draw the analogy to 麤言. The classical definition includes the clause 令他苦惱, and there is ample contemporary research showing that harsh, contemptuous speech from a parent to a child produces measurable long-term effects on the child's emotional regulation, stress-response systems, and self-concept.
But the Buddhist analysis adds a layer that pure psychology often misses: the 令不得定 clause. A child who has just been told "you're so stupid" cannot immediately return to learning. The harsh word has broken the meditative absorption that *learning itself* requires. So 麤言 in parenting is not only an emotional harm; it is a karmic intervention into the child's capacity to settle into a task. The 《法句經》's image of "knives and staves returning to the body" applies here: a parent who routinely delivers such speech to a child is, karmically, building a relationship in which their own old age will be met with coldness. (Not as mechanical retribution — but as the natural ripening of a relational field they themselves planted.)
Scene 4: The Online Comment — "Typical NPC Behavior."
Internet culture has created new forms of 麤言 where the speaker rarely sees the listener's face and so does not register the harm. The classical definition makes a single but devastating point here: the harm is not contingent on proximity. "令他苦惱" — whether or not I see him. "令不得定" — whether or not she is sitting in front of me.
The 《法句經》's "斧在口中" image applies to the online comment perhaps *more* than to face-to-face speech: the speaker rarely registers that they are harming themselves when they type the insult. They do not see the listener flinch; they do not see the axe fall on their own face. The temptation to think "I just dropped a comment, no harm done" is exactly what the wind-borne-dust metaphor rebuts. The wind does not need to be aimed carefully; it always returns.
Where contemporary people commonly map this wrongly: "It was just online, no real harm was done." The classical definition refuses this. The bodymind of the recipient is no less a bodymind for being behind a screen.
Scene 5: Self-Talk — The Cruel Inner Voice
This is where the metaphor of "axe in the mouth" becomes most chillingly literal: what if the mouth that speaks 麤言 is one's own, and the listener is one's own heart?
Many contemporary people experience harsh speech not from others but from the inner voice that rehearses insults against themselves: "You idiot, how could you mess that up. You always mess things up. You deserve this." The classical analysis applies *verbatim*:
- It is 辭氣粗獷. - It is 惡聲逆耳 (the inner voice that says this is exactly that — grating and offensive to one's own heart). - It prevents 定 — it is impossible to settle into any meditative practice while such inner speech is running.
The 《法句經》's "axe in the mouth" is not metaphorical here. The mouth is literally speaking. The body is literally being cut. The Buddha's instruction 「言語者，必使己無患，亦不尅眾人」 — "speech must bring no harm to oneself and cut no one else" — applies as much to the inner voice as to the spoken one. The axe knows no distinction between outward and inward.
This is also where contemporary practitioners most commonly miss the point: they assume 麤言 is about politeness toward others, and therefore do not see the harsh inner critic as falling under the same category. The classical framework is stricter than that. *Any* speech — uttered aloud or silently rehearsed — that fits the criteria is 麤言.
三、當代人為什麼需要它 (Why Contemporary People Need This)
There are several features of contemporary life that make the teaching on 麤言 not merely relevant but pressing.
1. The Architecture of Modern Speech Rewards Harshness
Algorithmic systems on social platforms do not reward kindness, nuance, or gentleness; they reward arousal. A harsh one-liner travels further than a careful paragraph. This is a structural pressure pushing ordinary people toward 麤言 in domains where their grandparents would never have used it — even in casual chat, even in family group texts, even in workplace Slack. The teaching asks: *the architecture of your medium may reward a particular kind of speech; does your ethics change accordingly?* The classical answer is unambiguous: the karmic criterion is independent of the medium. A harsh word on a screen is still 辭氣粗獷, still 令他苦惱, still 令不得定. The 《中阿含經》's intentionality criterion (故作) applies: when one types with full awareness of what one is doing, the karma is precisely what it would have been had one spoken the same words aloud.
2. The Disappearance of "令他得定" as a Cultural Aim
In a culture that prizes constant distraction, the very concept of 定 (samādhi, meditative absorption) has become unintelligible to most people. But the classical definition of 麤言 depends on it. The teaching is that harsh speech is wrong not only because it makes others sad but because it makes others *unable to settle*. The implication is that a culture which has lost the concept of 定 will have no internal mechanism for hearing why 麤言 is wrong. A friend of mine told me, when I raised this teaching, "Why should I care if my comment prevents someone from meditating? Nobody meditates." The classical answer is that the harm extends far beyond what our culture names: it extends to the listener's capacity to settle into *any* focused state — to read deeply, to work without distraction, to be present with another person, to fall asleep without rumination. The line between "meditation" and "ordinary focused human life" is in this context surprisingly thin.
3. The Mental-Health Parallel (With Limits)
Contemporary research in psychology has documented extensively what it now sometimes calls "covert verbal abuse" or "emotional abuse through words": dismissive remarks, sarcasm as a habitual mode, contemptuous tone, public humiliation. The effects on listeners — elevated cortisol, impaired working memory, increased anxiety — overlap with what the Buddhist tradition has been saying for centuries. The 《法句經》's list of ten retributions (bodily pain, broken body, illness, mental disorder, false accusation, legal entanglement, loss of wealth, family separation, fire, hell) is in its broad shape *compatible with* what modern research shows about the long-term effects of chronic verbal aggression on physical health, social relationships, economic outcomes, and family stability.
But here is where I must mark the limit. Modern research can show *correlation* between harsh speech environments and these outcomes; it cannot show that the karma of a single harsh word is retributed as a discrete blow. The Buddhist framework is doing something different: it is making a claim about the moral order of the universe, not merely a statistical one. Contemporary readers should take the empirical parallels as *confirmation that this is real territory* — not as proof that the metaphysics of karma is settled. The two frames overlap; they are not identical.
4. The Cumulative Self-Harm of Harsh Speech
One of the things the classical teaching makes vivid that contemporary discussions often miss is that the speaker is the primary victim. The axe is in the speaker's mouth. The dust returns to the thrower. The knives and staves return to one's own body. This is a counter-intuitive framing in a culture that generally treats "being direct" as a virtue and "feeling hurt" as a sign of weakness. The Buddhist teaching reverses the moral economy: the more harshly I speak, the more I am doing violence to *myself* — to my own relational field, my own capacity for 定, my own heart.
四、常見誤讀與澄清 (Common Misreadings and Clarifications)
Misreading 1: "麤言 means swearing and cursing."
Many readers reduce 麤言 to its most obvious surface: bad words, swearing, insults. This is too narrow. The 《中阿含經》 definition explicitly includes 辭氣 — breath, tone — and 令他苦惱 — the felt effect on the listener. A workplace evaluation that uses no profanity but speaks with contemptuous dismissal is fully 麤言. A polite sentence like "as we all know, only a fool would propose this" — delivered in a particular tone — is 麤言. The reverse is also true: a strong word that contains an expletive but is spoken to convey care (think of a friend who says "you stubborn idiot, why won't you let me help you?") is not 麤言, because the tone is 清和柔潤 and the listener is not distressed but moved.
The principle: the criterion is not vocabulary; it is the *intersection* of breath, tone, content, and effect on the listener's heart.
Misreading 2: "Being direct and honest sometimes requires 麤言."
This is a particularly modern misreading. The argument goes: "If I water down every critique, I am not being honest. Sometimes the truth is harsh and must be spoken harshly." The classical answer is direct: the same *content* can be delivered in 麤言 or in 清和柔潤. The 《中阿含經》 does not ask us to abandon difficult speech; it asks us to speak difficult truths in a way that is 清和柔潤, 順耳入心, 言聲具了, 不使人畏, 令他得定 — clear, harmonious, gentle and moist, entering the ear and reaching the heart, complete, not causing fear, allowing the listener to settle.
A surgeon can tell a patient a serious diagnosis in a way that helps the patient settle into the next decision, or in a way that throws the patient into chaos. The content is identical. The criterion is *which kind of speech does this*. A moral framework that uses 麤言 under the banner of "honesty" is a moral framework that has not understood the definition.
Misreading 3: "If it isn't intentional, it doesn't count."
This is a partial truth that becomes a total falsehood. The 《中阿含經》 does say that only 故作 (intentional) verbal misconduct necessarily produces karmic fruit — so *accidental* harsh words spoken without volition do not bear the full weight. But:
- Most 麤言 is in fact intentional, even when we tell ourselves it was "just slipping out." A pattern of contemptuous speech is not an accident; it is a habit. - The unwholesome root (煩惱, kleśa) is still there even when the act is unintentional. The 法句經 warns that 外形苦行 cannot compensate for an undisciplined mouth — what matters is the inner knot of delusion (癡結). - The training is to purify the heart, not merely to manage intentions. 《中阿含經》: 「彼於麤言淨除其心」 — *purify the heart from 麤言*. The goal is not behavioral control; it is the rooting out of the tendency.
So: the 故作 / 不故作 distinction is real, but it is a refinement of the teaching, not an escape from it.
Misreading 4: "麤言 is only about words."
The 《中阿含經》 definition explicitly includes 辭氣 — breath-tone. The 《法句經》 uses "躁言" (agitated speech). The point is that 麤言 is a *manner of vocalizing* as much as a choice of words. A speaker may use perfectly neutral vocabulary but in a tone that is itself violent. In contemporary terms: the issue is not just *what you said* but *how you said it* — and classical Buddhist ethics, surprisingly, holds you responsible for both. This is one of the reasons written communication is uniquely treacherous: the tone has to be reconstructed by the reader, and the writer can always disclaim intent.
Misreading 5: "The Cure for 麤言 is to Stay Silent."
This is a partial truth that becomes a total falsehood. Silence is not the cure. The 法句經 praises 「遜言順辭，尊敬於人」 — *modest words, accommodating speech, honoring others* — as the positive form. The 中阿含經 teaches 「清和柔潤, 順耳入心」 — *clear, harmonious, gentle, entering the ear and reaching the heart*. These are not negations; they are positive skills. The 鞞陀提居士婦 story instructs practitioners to respond to harsh speech with the 四無量心 — a high and demanding practice that requires both speech and mind.
A practitioner who simply becomes mute to avoid 麤言 has not understood the teaching. The skill is to speak — to say what needs to be said, including difficult things — in such a way that the listener's heart can receive it.
Misreading 6: "Modern Psychology Has Already Covered This — the Buddhist Framework is Redundant."
The two frameworks overlap but they are not identical. Contemporary psychology can describe the *mechanisms* by which harsh speech injures a listener; it can describe the developmental effects on children; it can describe the workplace consequences. The Buddhist framework is doing something additional: it is placing 麤言 in a liberation framework — the harm to the listener is not just emotional but *meditative*: 令不得定. The harm to the speaker is not just relational but *karmic*: the axe in the mouth, the dust returning, the knife in the body. The goal is not adjustment of behavior for better social functioning; the goal is freedom from the inner knots that drive harsh speech in the first place.
A full account of 麤言 in the contemporary world benefits from both. Neither is sufficient alone.
A Closing Reflection
The classical teaching on 麤言 is, in the end, a teaching on *speech as karmic activity*. Every word that leaves the mouth is an act — small, but real, with direction. The definitions given in the 《中阿含經》 are unusually precise: the harm is not in any single criterion but in their intersection — coarse breath, harsh sound, communal dislike, listener's distress, listener's loss of meditative settling. The 《法句經》's three images — the axe, the dust, the returning knife — point in the same direction from three angles: the speaker is the one most injured.
This is not an ethic of niceness. It is an ethic of *clarity*: clear, harmonious, gentle and moist, entering the ear and reaching the heart, complete, not causing fear, allowing the listener to settle. The same difficult truth can be uttered as 麤言 or as 清和柔潤. The choice is ours. The classical formula gives us a way to check, moment by moment, which one we are doing.
The Buddha's final test, from the 法句經, remains the simplest:
「言語者，必使己無患，亦不尅眾人，是為能善言。」 *"Speech: it must bring no harm to oneself, and cut no one else. This is what counts as good speech."*