Majjhima Nikāya · Discourse 30

The Shorter Simile of the Heartwood

Cūḷasāropamasutta

Setting
Sāvatthī, in Jeta’s Grove, Anāthapiṇḍika’s monastery
Speaker
The Buddha, in dialogue with the brahmin Piṅgalakoccha
Form
The same heartwood simile as MN 29, but addressed to a brahmin inquirer — with a full enumeration of the nine successive meditative attainments (four jhānas, four formless realms, cessation of perception and feeling) as what lies “beyond knowledge and vision”
Length
~12 minutes to read
Northern parallel
MĀ 122 (Madhyama-āgama 122)
Difficulty
★★☆☆☆ — structurally identical to MN 29 and just as accessible. The unique contribution is the detailed map of what lies beyond knowledge and vision — nine levels of deepening meditative attainment leading to final liberation.

Why this discourse, thirtieth

MN 30 answers the question that MN 29 left implicit: what, specifically, lies beyond knowledge and vision? Where MN 29 simply named the heartwood as “the unshakeable liberation of mind,” MN 30 maps out the entire meditative path from first jhāna through to the cessation of perception and feeling, culminating in the destruction of the defilements.

The occasion is entirely different from MN 29. A brahmin named Piṅgalakoccha comes to the Buddha and asks about the claims of six rival teachers — do they all have direct knowledge, or none of them, or only some? The Buddha declines to evaluate their claims. Instead, he teaches the heartwood simile: anyone — of any tradition — who stops at an intermediate attainment has mistaken branches, bark, or sapwood for the heartwood. The setting universalizes the teaching beyond the monastic community; it applies to any spiritual seeker, not only to the Buddha’s own disciples.

Reading guide

The teaching in one sentence

The spiritual life has a single goal — the unshakeable freedom of heart — and the path to it runs through nine successive levels of meditative deepening beyond knowledge and vision, each one “better and finer” than the last, culminating in the cessation of perception and feeling and the destruction of the defilements.

The occasion: Piṅgalakoccha’s question

The brahmin Piṅgalakoccha opens with one of the period’s sharpest questions: six famous teachers — Pūraṇa Kassapa, Makkhali Gosāla, Ajita Kesakambalī, Pakudha Kaccāyana, Sañjaya Belaṭṭhiputta, and Nigaṇṭha Nāṭaputta (the Jain leader) — each claim direct knowledge. Do they all have it, or none, or only some?

The Buddha’s response is striking: he refuses to engage with the question. “Enough, brahmin, let this be.” Instead of adjudicating the claims of rival teachers, he teaches the Dhamma directly. The message is structural: the issue is not who has knowledge but what kind of knowledge counts as the goal. Even genuine knowledge — even genuinely seeing and knowing — is not the same as liberation. The heartwood simile makes this point regardless of which teacher is teaching.

What MN 30 adds to MN 29

MN 29 (The Greater Simile of the Heartwood) and MN 30 use the same simile with the same five-level mapping. But MN 30 contains a section entirely absent from MN 29: a detailed enumeration of what lies beyond knowledge and vision. MN 29 simply states that the heartwood is the unshakeable liberation of mind. MN 30 maps the route:

  1. First jhāna — rapture and bliss born of seclusion
  2. Second jhāna — rapture and bliss born of immersion, internal clarity
  3. Third jhāna — equanimity and mindfulness, personally experiencing bliss
  4. Fourth jhāna — pure equanimity and mindfulness, neither pleasure nor pain
  5. Dimension of infinite space
  6. Dimension of infinite consciousness
  7. Dimension of nothingness
  8. Dimension of neither perception nor non-perception
  9. Cessation of perception and feeling — and, having seen with wisdom, the defilements come to an end

Each of these is called “something better and finer than knowledge and vision.” The phrase is repeated nine times. The rhetorical effect is cumulative: knowledge and vision, impressive as it is, is not even close to the end. There are nine entire levels of meditative attainment beyond it.

The “Greater” and “Shorter” paradox

MN 29 is called “Greater” (Mahā) and MN 30 “Shorter” (Cūḷa), but MN 30 is actually longer in content because it includes the nine-attainment section. The titles likely reflect not length but emphasis: MN 29 gives the more elaborate psychological analysis of the five levels of failure (each with a full narrative of complacency), while MN 30 gives a more condensed version of the negative examples but adds the positive progression in detail.

The tree parts in MN 30

Part of the treeSpiritual attainmentThe danger
Branches and leavesPossessions, honor, and popularityBeing pleased, thinking one’s intention is fulfilled; self-praise and negligence
ShootsAccomplishment of virtue (sīla)Stopping at ethical conduct as if it were the goal
BarkAccomplishment of immersion (samādhi)Stopping at meditative concentration
SoftwoodKnowledge and vision (ñāṇadassana)Stopping at insight or psychic powers
HeartwoodThe unshakeable freedom of heart (akuppā cetovimutti)No danger — this is the goal itself

The closing: Piṅgalakoccha takes refuge

Unlike MN 29, which ends with the monks simply approving, MN 30 ends with Piṅgalakoccha declaring himself a lay follower who has gone for refuge for life. This is the standard canonical marker for a teaching that succeeds: the listener is transformed. The brahmin came to ask about others’ claims; he left having understood the structure of the path itself. He no longer needs to evaluate rival teachers — he has the criterion for evaluation: does a teaching lead to the heartwood, or does it stop at the bark?

Three questions Western students often ask

“Why does the Buddha refuse to answer the question about the six teachers?” Because the question is framed in terms of personal claims (“did they have direct knowledge?”) rather than structural analysis. The Buddha’s method is not to adjudicate credentials but to teach criteria. Once you know what heartwood looks like, you can evaluate any teacher’s claims yourself. The refusal is itself a teaching move: stop asking “who is right?” and start asking “what is the actual goal?”

“If cessation of perception and feeling is the ninth attainment, does that mean unconsciousness is the goal?” No. The text is precise: “And, having seen with wisdom, their defilements come to an end.” The cessation is not the goal — the destruction of defilements that occurs upon emerging from it is the goal. Cessation is the condition; liberation is the result. The distinction matters: the goal is not a particular meditative state (however refined) but an irreversible transformation — the end of the defilements that do not return.

“Are the nine attainments listed here the same as in the ānāpānasati or jhāna discourses?” Yes. The four jhānas and four formless attainments appear throughout the Nikāyas in the same sequence with the same descriptions. The addition of cessation as a ninth step is less common but appears in the Abhidhamma and in several Sutta passages (notably AN 9.36). What is unique to MN 30 is framing all nine as “better and finer than knowledge and vision” — placing them explicitly above the fourth tree-level and below the heartwood.

Key terms

cūḷa — shorter; lesser. The title designation, distinguishing this discourse from MN 29 (Mahāsāropamasutta). Refers to the condensed treatment of the negative examples, not to overall length.
sāra — heartwood; essence; core. The central metaphor shared with MN 29: the hardest, most durable, innermost part of the tree — what the seeker actually came for.
akuppā cetovimutti — the unshakeable freedom of heart. The heartwood of the path. Irreversible liberation through the destruction of the defilements.
Piṅgalakoccha — the brahmin interlocutor. His name means “tawny-eyed” or “yellow-eyed.” He comes asking about rival teachers and leaves as a Buddhist lay follower.
jhāna — meditative absorption. Four levels of progressively refined concentration, characterized by the gradual stilling of mental activity and the deepening of equanimity.
ārūppa — the formless attainments. Four dimensions beyond the material jhānas: infinite space, infinite consciousness, nothingness, and neither perception nor non-perception.
saññāveday­itanirodha — cessation of perception and feeling. The ninth and highest meditative attainment, in which all perception and feeling temporarily cease. Upon emerging, wisdom destroys the remaining defilements.
ñāṇadassana — knowledge and vision. Includes psychic powers, the divine eye, and insight into impermanence — but is explicitly placed below the nine attainments and below final liberation. Seeing clearly is not the same as being freed.
cha satthāro — the six teachers. The six famous non-Buddhist teachers of the Buddha’s time, each heading a rival community. Their claims prompt Piṅgalakoccha’s question but are left unevaluated by the Buddha.

The text

MN 30 shares the heartwood simile with MN 29 but adds a nine-level enumeration of meditative attainments. Repetitive passages are lightly condensed. Translation: Bhikkhu Sujato (CC0, SuttaCentral).

The occasion: Piṅgalakoccha’s question

§1So I have heard. At one time the Buddha was staying near Sāvatthī in Jeta’s Grove, Anāthapiṇḍika’s monastery.

§2Then the brahmin Piṅgalakoccha went up to the Buddha, and exchanged greetings with him. When the greetings and polite conversation were over, he sat down to one side and said to the Buddha:

“Worthy Gotama, there are those ascetics and brahmins who lead an order and a community, and tutor a community. They’re well-known and famous religious founders, deemed holy by many people. Namely: Pūraṇa Kassapa, the bamboo-staffed ascetic Gosāla, Ajita of the hair blanket, Pakudha Kaccāyana, Sañjaya Belaṭṭhiputta, and the Jain ascetic of the Ñātika clan. According to their own claims, did all of them have direct knowledge, or none of them, or only some?”

§3“Enough, brahmin, let this be: ‘According to their own claims, did all of them have direct knowledge, or none of them, or only some?’ I will teach you the Dhamma. Listen and apply your mind well, I will speak.”

“Yes, worthy sir,” Piṅgalakoccha replied. The Buddha said this:

The simile: those who mistake the parts for the whole

§4“Suppose there was a person in need of heartwood. And while wandering in search of heartwood he’d come across a large tree standing with heartwood. But, passing over the heartwood, softwood, bark, and shoots, he’d cut off the branches and leaves and leave imagining they were heartwood. If a person with clear eyes saw him they’d say, ‘This person doesn’t know what heartwood, softwood, bark, shoots, or branches and leaves are. That’s why he passed them over, cut off the branches and leaves, and left imagining they were heartwood. Whatever he needs to make from heartwood, he won’t succeed.’

The pattern repeats for the person who takes the shoots (thinking them heartwood), the person who takes the bark (thinking it heartwood), and the person who cuts out the softwood (thinking it heartwood). Each time: “Whatever he needs to make from heartwood, he won’t succeed.”

§5Suppose there was a person in need of heartwood. And while wandering in search of heartwood he’d come across a large tree standing with heartwood. He’d cut out just the heartwood and leave knowing it was heartwood. If a person with clear eyes saw him they’d say, ‘This person knows what heartwood, softwood, bark, shoots, or branches and leaves are. That’s why he cut out just the heartwood and left knowing it was heartwood. Whatever he needs to make from heartwood, he will succeed.’

Branches and leaves: possessions, honor, and popularity

§6In the same way, take a certain person who goes forth from the lay life to homelessness, thinking, ‘I’m swamped by rebirth, old age, and death; by sorrow, lamentation, pain, sadness, and distress. I’m swamped by suffering, mired in suffering. Hopefully I can make an end to this entire mass of suffering.’

When they’ve gone forth they generate possessions, honor, and popularity. They’re happy with that, and they’ve got all they wished for. And they glorify themselves and put others down on account of that: ‘I’m the one with possessions, honor, and popularity. These other mendicants are obscure and insignificant.’ They become lazy and slack on account of their possessions, honor, and popularity, not generating enthusiasm or trying to realize those things that are better and finer. They’re like the person who mistakes branches and leaves for heartwood, I say.

Shoots: accomplishment of virtue

§7Next, take a person who has gone forth out of faith … When they’ve gone forth they generate possessions, honor, and popularity. They’re not happy with that, and haven’t got all they wished for. They don’t glorify themselves or put others down on that account. They don’t become lazy and slack, but generate enthusiasm and try to realize those things that are better and finer.

They achieve accomplishment in virtue. They’re happy with that, and they’ve got all they wished for. They glorify themselves and put others down: ‘I’m the one who is virtuous, of good character. These other mendicants are unethical, of bad character.’ They become lazy and slack regarding their accomplishment in virtue, not generating enthusiasm or trying to realize those things that are better and finer. They’re like the person who mistakes shoots for heartwood, I say.

Bark: accomplishment of immersion

§8Next, take a person who has gone forth … They achieve accomplishment in virtue … and immersion. They’re happy with that immersion, and they’ve got all they wished for. They glorify themselves and put others down. They become lazy and slack regarding their accomplishment in immersion, not generating enthusiasm or trying to realize those things that are better and finer. They’re like the person who mistakes bark for heartwood, I say.

Softwood: knowledge and vision

§9Next, take a person who has gone forth … They achieve accomplishment in virtue … immersion … and knowledge and vision. They’re happy with that knowledge and vision, and they’ve got all they wished for. They glorify themselves and put others down. They become lazy and slack regarding their knowledge and vision, not generating enthusiasm or trying to realize those things that are better and finer. They’re like the person who mistakes softwood for heartwood, I say.

The heartwood: the complete practitioner

§10Next, take a person who goes forth from the lay life to homelessness, thinking, ‘I’m swamped by rebirth, old age, and death; by sorrow, lamentation, pain, sadness, and distress. I’m swamped by suffering, mired in suffering. Hopefully I can find an end to this entire mass of suffering.’

When they’ve gone forth they generate possessions, honor, and popularity. They’re not happy with that, and haven’t got all they wished for. They don’t glorify themselves or put others down on that account. They don’t become lazy and slack, but generate enthusiasm and try to realize those things that are better and finer.

They become accomplished in virtue. They’re happy with that, but they haven’t got all they wished for. They don’t glorify themselves or put others down. They don’t become lazy and slack, but generate enthusiasm and try to realize those things that are better and finer.

They become accomplished in immersion. They’re happy with that, but they haven’t got all they wished for. They don’t glorify themselves or put others down. They don’t become lazy and slack, but generate enthusiasm and try to realize those things that are better and finer.

They achieve knowledge and vision. They’re happy with that, but they haven’t got all they wished for. They don’t glorify themselves or put others down. They don’t become lazy and slack regarding their knowledge and vision, but generate enthusiasm and try to realize those things that are better and finer.

What is better and finer than knowledge and vision?

§11And what are those things that are better and finer than knowledge and vision?

Take a mendicant who, quite secluded from sensual pleasures, secluded from unskillful qualities, enters and remains in the first absorption, which has the rapture and bliss born of seclusion, while placing the mind and keeping it connected. This is something better and finer than knowledge and vision.

Furthermore, as the placing of the mind and keeping it connected are stilled, a mendicant enters and remains in the second absorption, which has the rapture and bliss born of immersion, with internal clarity and mind at one, without placing the mind and keeping it connected. This too is something better and finer than knowledge and vision.

Furthermore, with the fading away of rapture, a mendicant enters and remains in the third absorption, where they meditate with equanimity, mindful and aware, personally experiencing the bliss of which the noble ones declare, ‘Equanimous and mindful, one meditates in bliss.’ This too is something better and finer than knowledge and vision.

Furthermore, with the giving up of pleasure and pain and the disappearance of former happiness and sadness, a mendicant enters and remains in the fourth absorption, without pleasure or pain, with pure equanimity and mindfulness. This too is something better and finer than knowledge and vision.

§12Furthermore, a mendicant, going totally beyond perceptions of form, with the disappearance of perceptions of impingement, not focusing on perceptions of diversity, aware that ‘space is infinite,’ enters and remains in the dimension of infinite space. This too is something better and finer than knowledge and vision.

Furthermore, a mendicant, going totally beyond the dimension of infinite space, aware that ‘consciousness is infinite,’ enters and remains in the dimension of infinite consciousness. This too is something better and finer than knowledge and vision.

Furthermore, a mendicant, going totally beyond the dimension of infinite consciousness, aware that ‘there is nothing at all,’ enters and remains in the dimension of nothingness. This too is something better and finer than knowledge and vision.

Furthermore, a mendicant, going totally beyond the dimension of nothingness, enters and remains in the dimension of neither perception nor non-perception. This too is something better and finer than knowledge and vision.

§13Furthermore, a mendicant, going totally beyond the dimension of neither perception nor non-perception, enters and remains in the cessation of perception and feeling. And, having seen with wisdom, their defilements come to an end. This too is something better and finer than knowledge and vision.

These are the things that are better and finer than knowledge and vision.

The purpose of this spiritual life

§14Suppose there was a person in need of heartwood. And while wandering in search of heartwood he’d come across a large tree standing with heartwood. He’d cut out just the heartwood and leave knowing it was heartwood. Whatever he needs to make from heartwood, he will succeed. That’s what this person is like, I say.

And so, brahmin, this spiritual life is not lived for the sake of possessions, honor, and popularity, or for accomplishment in virtue, or for accomplishment in immersion, or for knowledge and vision. It is this unshakeable freedom of heart that is the goal of the spiritual life, its heartwood, its culmination.”

§15When he had spoken, the brahmin Piṅgalakoccha said to the Buddha, “Excellent, worthy Gotama! Excellent! As if he were righting the overturned, or revealing the hidden, or pointing out the path to the lost, or lighting a lamp in the dark so that those with eyes can see — the worthy Gotama has made the Dhamma clear in many ways. I go to the worthy Gotama for refuge, to the Dhamma, and to the mendicant Saṅgha. From this day forth, may the worthy Gotama remember me as a lay follower who has gone for refuge for life.”

· · ·

Self-check quiz

Ten questions. Click an answer to see immediate feedback. No score is recorded — this is for your own checking.

Question 1 of 10
Who is the interlocutor in MN 30?
Correct: C. Piṅgalakoccha is a brahmin who asks whether the six famous rival teachers truly have direct knowledge. The Buddha declines to evaluate their claims and instead teaches the heartwood simile, giving Piṅgalakoccha a structural criterion rather than a verdict on personalities.
Question 2 of 10
How does the Buddha respond to Piṅgalakoccha’s question about the six teachers?
Correct: A. The Buddha’s refusal is itself a teaching: stop asking “who is right?” and instead learn what the goal actually is. Once you know what heartwood looks like, you can evaluate any teacher’s claims for yourself. The question about rival teachers is replaced by a criterion for all spiritual claims.
Question 3 of 10
What does “softwood” represent in MN 30’s mapping?
Correct: B. In MN 30’s mapping: branches and leaves = gains/honor; shoots = virtue; bark = immersion/concentration; softwood = knowledge and vision; heartwood = unshakeable freedom of heart. Knowledge and vision is the closest to the heartwood while still being distinct from it — you can see clearly without being freed.
Question 4 of 10
What is unique to MN 30 that is absent from MN 29?
Correct: D. Both discourses share the heartwood simile, the five-level mapping, and the concluding purpose-statement. MN 30’s unique contribution is mapping out the complete meditative path from first jhāna through cessation of perception and feeling, answering the question MN 29 left implicit: what specific route leads from knowledge and vision to the heartwood?
Question 5 of 10
How many levels of meditative attainment does MN 30 enumerate as “better and finer than knowledge and vision”?
Correct: C. The discourse enumerates nine successive levels: first through fourth jhāna, then infinite space, infinite consciousness, nothingness, neither perception nor non-perception, and finally the cessation of perception and feeling. Each is called “something better and finer than knowledge and vision.” The cumulative repetition makes the point: knowledge and vision is very far from the end.
Question 6 of 10
What happens at the ninth attainment (cessation of perception and feeling)?
Correct: A. The text is precise: cessation is a temporary state in which perception and feeling stop. The liberation occurs upon emerging from it — “having seen with wisdom, their defilements come to an end.” The cessation is the condition; the destruction of defilements is the result. The goal is not unconsciousness but irreversible transformation.
Question 7 of 10
What is the psychological pattern the discourse identifies at each intermediate level?
Correct: D. The mechanism is structural: satisfaction → sense of completion → self-praise and comparison → negligence → stagnation. This identical pattern operates at every intermediate level, from gains through to knowledge and vision. The danger is not failure but premature satisfaction.
Question 8 of 10
Why is MN 29 called “Greater” and MN 30 called “Shorter” when MN 30 actually contains more content?
Correct: B. “Greater” and “Shorter” likely describe the treatment of the core simile and its negative examples. MN 29 elaborates each failure-mode with full narrative detail (the “greater” treatment of the warning), while MN 30 is more condensed on the warnings but adds entirely new content: the nine-attainment map of what lies beyond.
Question 9 of 10
How does MN 30 end?
Correct: C. Piṅgalakoccha uses the canonical formula of refuge: he came asking about others’ claims and left having understood the path’s structure for himself. He no longer needs someone to tell him which teacher is right — he has the criterion for evaluation: does a teaching lead to the heartwood, or does it stop at the bark?
Question 10 of 10
What is the final statement about the spiritual life’s purpose?
Correct: A. This closing statement is virtually identical to MN 29’s conclusion. It functions as a rare explicit declaration of the path’s telos: everything else — gains, virtue, concentration, even knowledge and vision — is instrumental. Only the unshakeable freedom of heart is the destination, the heartwood, the culmination.
Answered 0 of 10 · Correct 0