Samsara

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A king named Pravâhana once put a question to a young brahmin who could not answer it, and the question was about where the dead go. The king asks the boy, in the old Upanishadic dialogue, whether he knows how creatures depart along two diverging roads, and how some return to this world and some do not. The boy went home shamed; his father did not know either. The exchange, preserved in the Chandogya and Brihadaranyaka Upanishads, marks one of the earliest moments in which an Indian text treats death not as an ending but as a junction — a fork in a road that loops. Behind the king’s riddle lies the whole later architecture of samsara: the conviction that the dead are not finished, that they go somewhere and, most of them, come back.

The Sanskrit word carries its meaning in its bones. Saṃsāra is built from the prefix saṃ-, “together” or “completely,” and the verbal root √sṛ, “to flow, to run, to move.” It names a flowing-together, a running-on through a succession of states — wandering through existence without arriving. The standard lexicon glosses the verb with saṃ- as “to go round, to revolve, to pass through a succession of states.” Translators have reached for the river and the wheel by turns: the current that carries everything downstream and never stops, and the circle that returns to where it began. Both images are right, and the tension between them — onward motion that is also endless repetition — is the precise shape of the thing.

The two roads: rebirth enters the Upanishads

The oldest layer of Indian religion did not teach rebirth. The Rig Veda imagines a heaven of the fathers reached by the dead who have lived and sacrificed well; nothing in it loops back to earth. The decisive turn comes in the early Upanishads, the speculative texts attached to the end of the Vedic corpus, which the Sanskritist Patrick Olivelle places in the early first millennium BCE — the Brihadaranyaka and Chandogya in the seventh to sixth centuries, the oldest of them. There, for the first time, a person’s fate after death is bound to a person’s deeds, and the binding is permanent enough to require many lives to discharge.

The mechanism the Upanishads work out is the doctrine of the two paths, sometimes called the pañcāgni-vidyā, the knowledge of the five fires. In Max Müller’s translation of the Chandogya — the version hosted in the Upanishads of the Sacred Books of the East — the dead travel by one of two roads that both pass through the moon and then diverge. The northern road, the path of the gods, carries those who possess true knowledge “by the six months when the sun moves towards the north, through the sun, the moon, and the lightning to the world of Brahman,” and from there they do not return. The southern road, the path of the fathers, carries those who have only performed good works; they reach the world of the fathers and the moon, and when the reward of their works is consumed, “they return to earth to be born again and again.” Müller’s note states the principle without ornament: those on the former road “do not return again to a new life on earth,” while those on the latter “return to earth to be born again.”

What pushes a being back down the second road is the residue of action. The Brihadaranyaka makes the engine explicit in a passage that the tradition has quoted ever since: a person is made of desire; as the desire, so the will; as the will, so the deed; as the deed, so the destiny. Where the deed leaves a residue, the residue must ripen, and a life is the field in which it ripens. This is karma in its earliest soteriological role — not yet a cosmic ledger but the simple, unsettling claim that what a person does outlasts the body that did it. The same Upanishad supplies the image that fixed the doctrine for two and a half millennia: as a caterpillar, reaching the tip of one blade of grass, draws itself together and reaches across to another, so the self, letting go of one body, reaches across and draws itself into the next; and as a goldsmith takes a piece of gold and beats it into a newer, more beautiful shape, so the self fashions for itself a newer form after death.

A page of an Upanishad in Sanskrit, Devanagari script — the textual stratum in which rebirth bound to action first enters Indian thought. — Ms Sarah Welch, via Wikimedia Commons (CC BY-SA 4.0)

The goldsmith image is doing quiet theological work. It is the self, the atman, that survives the reshaping; the gold is not destroyed but reworked. From its first appearance, then, the Hindu account of rebirth carries a passenger — a continuous, identical subject that moves from form to form. That passenger would become the deepest fault line running through the whole subsequent history of the idea.

The wheel and its realms

By the time of the classical Hindu epics and the Buddhist and Jain traditions, the loose Upanishadic doctrine of the two roads had hardened into a cosmos. Existence is a wheel — bhava-cakra, the wheel of becoming — and every living thing is somewhere on its rim, turning. The wheel is not a metaphor laid over the world; within the frame it is the world’s actual structure, the form in which beings are continuously dealt and redealt.

Buddhist iconography gave the wheel its most exact and most painted form. The bhavachakra, the wheel of becoming, is displayed on the outer walls of monasteries from Tibet to the Himalayan foothills, and it is read from the hub outward. At the very center turn three animals biting each other’s tails — a pig, a rooster, and a snake — the three poisons of ignorance, greed, and aversion, the forces that keep the whole apparatus spinning. Around them, six wedge-shaped sectors hold the six realms into which a being may be reborn: three fortunate destinies above — the gods, the jealous demigods or asuras, and human beings — and three painful ones below — the animals, the pretas or hungry ghosts whose needs can never be filled, and the hells. The outer rim depicts twelve linked scenes, the twelve causes of dependent origination, the chain by which one moment of grasping conditions the next. And the entire wheel is clenched in the jaws and claws of Yama, the lord of death, who holds it up like a mirror. Nothing on the wheel is outside death’s grip; that is the point of his holding it.

The wheel of becoming, showing the six realms of rebirth, clutched by Yama. Painted on a monastery wall in Bhutan. — Nagarjun Kandukuru, via Wikimedia Commons (CC BY 2.0)

The realms are not eternal addresses. A being is reborn among the gods by the force of accumulated merit, dwells there for an immense span, and falls when the merit runs out — a heaven that ends is, in the long view, only another turn of the wheel. A being is reborn in the hells by the weight of cruelty, suffers there for ages, and is eventually released back into some other form. Even the longest fortune is provisional. This is why the human realm, precarious as it is, carries a particular value within the system: it is the one realm balanced enough between pleasure and pain to make the wheel visible as a wheel, and so the one realm from which a being can resolve to step off.

What turns the wheel is what turned the Upanishadic loop: action and its residue. Karma is not punishment administered from outside but consequence built into the structure of the deed, the way a seed contains the plant. A volitional act plants a tendency; the tendency ripens, in this life or a later one, into circumstance. The Buddha’s early teaching sharpens the definition to the inward act: it is cetanā, intention, that he calls karma — the willing behind the deed, not merely the deed’s outward shape. The ripening can be slow. A consequence sown in one life may not surface for many, which is one reason the round has no visible justice in any single span and yet is held to be exactly just across the whole. The arithmetic balances only over the entire length of the wheel, which is to say it never visibly balances at all.

Across all the Indian traditions the round is marked by one shared quality: it does not satisfy. The Sanskrit term is duḥkha — unease, the friction of a wheel slightly off its axle. Even the heavens of the wheel are temporary, and a happiness that must be lost is, within this frame, already a form of suffering. The pervasive unsatisfactoriness of cyclic existence is not pessimism added to the system; it is the system’s diagnosis. To see samsara clearly is to see that no rearrangement of its terms — no better birth, no longer heaven — escapes it, because the wheel reconstitutes the unease at every turn. From that recognition the whole soteriology follows. The aim is not a better seat on the wheel but release from it.

Atman and anatta: the fault line in the mechanism

Release has two great names, and beneath the names lies the sharpest disagreement in Indian thought about what is actually riding the wheel.

Yama clasps the wheel of becoming; the traditions divide over whether anything permanent rides it. — Wellcome Collection, via Wikimedia Commons (CC BY 4.0)

In the Hindu traditions the answer is the atman, the self. It is the gold in the goldsmith’s hands — unborn, undying, untouched by the reshaping. The Bhagavad Gita, in the translation by K. T. Telang hosted among the Indian classics, states the doctrine in its second chapter with martial calm: the embodied self casts off worn-out bodies and takes on new ones as a man throws away worn-out garments and puts on others; weapons do not cut it, fire does not burn it. What transmigrates is therefore a real and permanent subject. Rebirth is the passage of this subject through a sequence of bodies, and bondage is its failure to know what it is. Liberation, moksha, is the self’s recognition that it was never truly the wandering thing at all — that the atman is, in the Vedanta of Śankara worked out in his commentary on the Vedânta-Sûtras, identical with Brahman, the unconditioned ground. When that knowledge dawns, the karmic residue that fueled the round burns away, and the self is not reabsorbed into the wheel. The passenger steps down and discovers it was the road’s owner.

Buddhism denies the passenger. This is the doctrine of anatta, not-self: there is no permanent, unchanging subject within or behind the person — no gold to be reshaped, only the reshaping. A being is a bundle of five aggregates — form, sensation, perception, mental formations, and consciousness — in ceaseless flux, with nothing static underneath them to own them. And yet Buddhism affirms rebirth as firmly as any tradition on the subcontinent. The obvious objection presses immediately: if there is no self, what is reborn? The classical answer is given in the Milindapañha, the dialogue between the monk Nāgasena and the Indo-Greek king Milinda. When one lamp is lit from another, Nāgasena says, no flame crosses the gap; the second flame is neither the same flame as the first nor wholly a different one. So with rebirth: nothing transmigrates, yet the new life is causally bound to the old, conditioned by it through the unbroken chain of dependent origination. What continues is not a thing but a process — a momentum of craving and intention that conditions a successor, the way one wave shapes the next without any water being handed across.

The distinction is exact and worth holding. The Hindu sees a real self that wanders and must be liberated; the Buddhist sees a wandering with no one doing it, a current of conditioned moments that liberation simply lets run out. Nirvana, the Buddhist release, is in its oldest sense a “blowing out” — the extinction of the fires of greed, aversion, and delusion that fed the process — and when those fires go out, the conditions for a further life are no longer assembled. Hindu moksha and Buddhist nirvana both end the round, but they disagree at the root about what the round ever contained. One liberates a self; the other dissolves the illusion that there was one.

Jainism, the third of the śramaṇa movements, holds a still more substantial view of the wanderer. For the Jains, surveyed by Paul Dundas in his study of the tradition, the soul, jiva, is a real and individual substance literally weighed down by karma conceived as fine material particles that cling to it through harmful action. The jiva migrates through an immense register of birth-situations — the tradition counts some 8,400,000 — and liberation is achieved by ascetic non-harming so rigorous that no new karmic matter adheres and the old burns off, until the unburdened soul rises, light, to the summit of the universe. The mechanism is more physical than the Hindu or the Buddhist, but the aim is the same release from the same round.

The round in reception

The wheel proved to be one of the most portable ideas the subcontinent produced, and its travels reveal how much its shape depends on local terms.

Within India, samsara became the shared premise across traditions that agreed on almost nothing else. Hindu, Buddhist, and Jain thinkers all took the beginningless round of rebirth, propelled by karma and exited by liberating insight, as the basic predicament; their fierce disagreements were about the mechanism and the exit, not the diagnosis. Sikhism, emerging in the Punjab in the fifteenth and sixteenth centuries, inherited the framework and recast it around grace: the soul does pass through the cycle of births, but release, mukti, comes through devotion to the one divine Name and the grace it confers, not through ascetic withdrawal — and it is sought within the life of the householder rather than apart from it. The wheel persisted; the way off it was relocated from world-renunciation to loving remembrance.

The longest journey the idea made was westward, and there it changed almost beyond recognition. Greek antiquity had its own rebirth current — the Pythagorean and Orphic metempsychosis, the transmigration of souls that Plato dramatizes in the myth of Er — and the resemblance to the Indian doctrine has tempted speculation about transmission for centuries, though the channels are unproven and the two systems differ in their workings. In the nineteenth century the Theosophical movement deliberately fused the Indian material with this Western inheritance, and the result was the diffuse modern notion of reincarnation: rebirth detached from the wheel’s gravity, emptied of duḥkha, reimagined as the soul’s progressive education across many pleasant lifetimes. The Western version typically keeps the transmigrating self of the Hindu account — a continuous “I” that returns — while quietly dropping the thing the whole Indian apparatus was built to escape. Samsara in its homelands is the problem; reincarnation in its Western afterlife became, for many, the consolation.

That inversion is the measure of how far the idea traveled. The Upanishadic king’s riddle was not a comfort. It was the discovery that death does not release a being from the consequences of its life — that the deed follows the doer down the road and around the bend, life after life, with no natural end. Everything the Indian traditions built on top of that discovery, the wheel and its six realms, the atman and its denial, moksha and nirvana and mukti, is in the end an answer to a single question first asked at the fork in the road: not how to live well within the turning, but how to stop turning at all.

→ In the library: Müller, The Upanishads (Sacred Books of the East, vol. 1) · Telang, The Bhagavadgîtâ (Sacred Books of the East, vol. 8) · Thibaut, The Vedânta-Sûtras with Śankara's Commentary

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