Nagarjuna’s thought gave Mahayana Buddhism a powerful philosophical backbone by clarifying what emptiness (śūnyatā) truly means. Rather than treating emptiness as a denial of reality, he showed that all phenomena, including the most basic dharmas, lack inherent existence and arise only through dependent origination. This vision of radical interdependence became a defining feature of Mahayana metaphysics and soteriology, distinguishing it from earlier Buddhist schools while remaining faithful to the Buddha’s teaching on conditioned arising. Emptiness, in this light, does not negate the world but reveals its fluid, contingent nature.

A central tool in this clarification was the doctrine of the two truths: conventional truth (saṃvṛti-satya) and ultimate truth (paramārtha-satya). Nagarjuna articulated how ordinary, conventional realities can function and be spoken of, even though ultimately they are empty of any fixed essence. Ultimate truth, on this account, is not a separate realm but the deepest way in which conventional phenomena exist: as empty and dependently arisen. This two-level framework allowed Mahayana thinkers to preserve everyday moral and spiritual discourse while grounding it in a rigorous understanding of emptiness.

Through this vision, the Middle Way of the Madhyamaka school took on a distinctive philosophical form. By refusing both eternalism (reifying things as ultimately real) and nihilism (denying any meaningful reality), Nagarjuna’s method of analysis opened a path that avoids extremes. This Middle Way supported a nuanced ethics and practice, where insight into emptiness does not undermine compassion or responsibility but actually makes them possible. The bodhisattva ideal, with its commitment to remain engaged in the world for the sake of all beings, gained a robust justification once the sharp divide between saṃsāra and nirvāṇa was shown to be empty of inherent difference.

Nagarjuna’s work also helped integrate and systematize key Mahayana scriptures, especially the Perfection of Wisdom literature, giving their often paradoxical language a coherent philosophical grounding. The Madhyamaka school that formed around his insights became one of the two major Mahayana philosophical traditions and shaped later thinkers such as Āryadeva and Candrakīrti. Its influence spread widely, becoming foundational for Tibetan Buddhism and significantly shaping Chinese and Japanese schools. In this way, Nagarjuna did not merely add another doctrinal layer; he provided a conceptual architecture through which Mahayana could articulate its deepest intuitions about wisdom, compassion, and the nature of reality.