Nagarjuna and the Philosophy of Emptiness

By Tim Yu, Founder & Editor · Published 1 June 2026 · Updated 13 November 2026

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There is “unanimous agreement,” the Stanford Encyclopedia of Philosophy says, that Nagarjuna (flourished 2nd century CE) “is the most important Buddhist philosopher after the historical Buddha himself.” He is traditionally regarded as the founder of the Madhyamaka, or “Middle Way,” school, and is the thinker who gave the teaching of emptiness its rigorous philosophical form. His philosophy of the “middle way,” the same entry notes, “influenced the Indian philosophical debate for a thousand years after his death,” and they run through Mahayana thought.

Who was Nagarjuna in Buddhism?

Encyclopaedia Britannica describes Nagarjuna as an Indian Buddhist philosopher who “flourished 2nd century ce,” whom “scholars generally place… in South India,” and who is “traditionally regarded as the founder of the Madhyamika (‘Middle Way’) school, an important tradition of Mahayana Buddhist philosophy.” His central achievement was to articulate “the doctrine of emptiness (shunyata)” — which, crucially, “is not the absence of existence but the absence of intrinsic existence.” In his masterwork, the Mulamadhyamakakarika (“Fundamental Verses on the Middle Way”), he turned the bare declarations of the Perfection of Wisdom scriptures into a complete philosophical system; the Stanford Encyclopedia of Philosophy’s entry by Jan Westerhoff calls it “the most important of Nāgārjuna’s works” and notes that “In its 450 stanzas it expounds the entire compass of his thought and constitutes the central text of the ‘philosophy of the Middle Way’.” Britannica’s summary is unequivocal: Nagarjuna is “the most famous thinker in the history of Buddhism after the Buddha himself.”

The philosopher behind emptiness

Some teachings are inseparable from the mind that shaped them, and the Buddhist doctrine of emptiness is bound up with Nagarjuna. The Perfection of Wisdom (Prajñāpāramitā) scriptures had proclaimed that all things are empty — but they proclaimed it rather than argued it. Nagarjuna’s genius was to take that proclamation and forge it into philosophy: to show, by rigorous reasoning, why nothing can possess independent existence, and to defend that conclusion against every objection. With the spread of Buddhism to Tibet, China and Japan, the Stanford Encyclopedia of Philosophy notes, his writings “became an indispensable point of reference” for their own philosophers.

His life: history and legend

About the man himself, history is thin and legend is thick — as so often with the great figures of ancient India. What scholars can say with confidence is small. The Stanford Encyclopedia of Philosophy puts the consensus this way: “That Nāgārjuna was a Buddhist monk who lived some time between 150 and 250 CE, probably mainly in southern India is rarely disputed.” Around that slender historical core the tradition wove rich legends — most famously that he received the Perfection of Wisdom scriptures from the nāgas, the serpent-beings of the deep, who had guarded them beneath the sea until the world was ready; some accounts also credit him with feats of alchemy and an immensely long life. A trustworthy account simply marks the line between the two: a brilliant philosopher of the 2nd century, around whom later devotion gathered a halo of marvels.

The Madhyamaka: the Middle Way school

The school Nagarjuna founded is the Madhyamaka, “the Middle Way.” The name reaches back to the Buddha’s own middle way, but Nagarjuna sharpens it to a precise philosophical point: the middle between the two great metaphysical extremes of eternalism — the belief that things truly and independently exist — and nihilism — the belief that nothing exists at all. Both, he argues, are mistakes, and emptiness is the path between them. As Britannica notes of his school (which it also calls the Śūnyavāda, the “Doctrine That All Is Void”), Nagarjuna “developed the doctrine that all is void.” This is simply the Buddha’s teaching of dependent origination carried to its logical conclusion: because everything arises in dependence on conditions, nothing exists on its own — and that is what emptiness means. (For the other great Mahayana school of philosophy, Yogācāra, see Asanga and Vasubandhu.)

The doctrine: empty of intrinsic existence

The single most important thing to grasp about Nagarjuna’s emptiness is what it does not mean. It is not the claim that nothing exists. As Britannica puts it, “emptiness… is not the absence of existence but the absence of intrinsic existence.” Things are real enough to appear, to function, to matter — but none of them is a fixed, self-standing essence (svabhāva) that exists “from its own side.” Look for such an essence in anything — a chariot, a self, a moment of time — and you find only a web of parts, causes, and concepts. To be empty is precisely to be dependent; and to be dependent is precisely to be empty. A short verse text preserved in the Tibetan canon under his name, the Verses on the Heart of Dependent Origination, puts it without any philosophical scaffolding at all:

Emptiness, for Nagarjuna, is not a bleak void but the open, fluid, interdependent nature of everything that is.

The method: arguing by consequence

Nagarjuna’s way of arguing is as distinctive as his conclusion. He rarely asserts a positive thesis of his own; instead he takes up an opponent’s position — that things have inherent existence — and patiently shows that it collapses into contradiction. Britannica describes the method exactly: he examines entities to “show that none of them is tenable because of the absurdities that would be entailed.” Category by category — causation, motion, the self, time, even nirvana itself — he demonstrates that inherent existence cannot be coherently maintained. The aim is not clever destruction for its own sake but release: to pry the mind loose from its instinctive grasping at fixed essences. Nagarjuna even turns this on emptiness itself, warning that emptiness too must not be clung to as one more thing that “really exists” — it is a raft, not a resting place.

The two truths

To keep all this from sliding into nihilism, Nagarjuna draws a famous distinction between two truths. On the level of conventional truth, the everyday world is exactly as it seems: chariots carry, fire burns, people are born and die, and the Buddhist path can be taught and walked. On the level of ultimate truth, all these things are empty of inherent existence. Both truths are indispensable: without the conventional, nothing could be communicated or practised; without the ultimate, no one could be liberated. Emptiness does not erase the ordinary world — it reveals its true, dependent nature, and so frees us from clinging to it.

Nirvana and samsara

From all this Nagarjuna draws a conclusion that can take the breath away: since all things are empty, there is no ultimate gulf between samsara, the round of suffering, and nirvana, liberation. They are not two separate realms, one to be fled and the other reached. Nirvana, on his account, is samsara seen rightly — this very world, emptied of the grasping at inherent existence that turned it into bondage. Freedom is not an escape to somewhere else but a clear seeing of where we already are. It is a vertiginous idea, and a deeply practical one: it places liberation not in another life or another place, but in the transformation of how we see this one.

His enduring influence

The Stanford Encyclopedia of Philosophy counts Nagarjuna “one of the most original and influential thinkers in the history of Indian philosophy.” His philosophy of emptiness shares its ground with the Heart Sutra’s declaration that “form is emptiness” and with Zen’s pointing beyond all fixed views, and in the Tibetan traditions a reading of his thought, Prāsaṅgika-Madhyamaka, “became the official philosophical position of Tibetan Buddhism,” which, the SEP adds, “regards it as the pinnacle of philosophical sophistication up to the present day.” For all the formidable difficulty of his logic, his purpose was finally simple and compassionate — the Buddha’s own purpose: to loosen the grasping at fixed, independent existence that lies at the root of suffering, and so to set the mind free. (For the teaching he systematised, see emptiness; for his place in the tradition, famous Buddhist teachers.)