The Lamp of Ignorance Doctrine: Sixty-One

Nagarjuna argues that reality cannot be fully explained by any one of these four categories. Each category has its own limitations and gives rise to self-contradictions. For instance, if something exists eternally, then questions of change or decay do not arise, which contradicts experience. Again, if everything is entirely non-existent, then any notion of cause-and-effect relationships or the fruition of actions becomes impossible. The simultaneous combination of existence and non-existence is likewise logically incoherent. And the fourth category, 'neither of the two,' also fails to reach any definite conclusion, instead negating all extreme viewpoints.

Nagarjuna declares: "The middle path, freed from the tetralemma, is the sole truth." This means that reality cannot be confined within any of these four extreme perspectives. True knowledge transcends these four categories. Liberation from this tetralemma, without falling into any predetermined concept, perceiving reality as it actually is—this is the middle way. This middle way is intimately connected with the concept of emptiness, where all concepts and constructions are negated due to their inherent hollowness, yet this is not mere nihilism or anarchism. It is a form of liberation that frees one from all manner of illusion and misconception.

This philosophy of Nagarjuna gives birth to the "Madhyamaka" school, whose foundation is "Madhyama Pratipada" or the middle path. This Madhyamaka philosophy profoundly influences Buddhist thought and creates a powerful philosophical framework for Mahayana Buddhism through it. It encourages people to avoid both extreme belief and extreme disbelief, exploring reality with an impartial and open mind.

The word "Mahāyāna" is composed of two parts: mahā (great, vast) and yāna (vehicle or path—that which leads to liberation); that is, Mahayana means "the great path of liberation"—a spiritual quest dedicated not merely to personal liberation but to the liberation of all sentient beings. In contrast, the earlier stream is called Hīnayāna or "lesser vehicle," where liberation was personal—achieving one's own nirvana was the primary goal.

About four to five centuries after the Buddha's death, some monks within the Buddhist sangha realized that Buddhism's initial "inward" emphasis—that is, personal liberation (the arhat ideal)—was moving away from humanity's greater sense of welfare. They said: "As long as a single being remains in suffering, my own liberation remains incomplete." Mahayana emerged from this perspective of compassion (karuṇā). Its initial centers were Gandhara, Kashmir, Nalanda, and later China and Tibet. It is composed of several fundamental philosophical concepts:

(a) Bodhisattva Ideal: The most important concept of Mahayana is the bodhisattva. A bodhisattva is one who has reached the threshold of complete knowledge (bodhi) yet delays their own nirvana to remain in the world for the liberation of all beings. That is, they say: "I shall not be liberated as long as others remain in suffering." This is the synthesis of Buddhist compassion (karuṇā) and wisdom (prajñā).

(b) Emptiness (Śūnyatā): The philosophical foundation of Mahayana is Nagarjuna's theory of emptiness. He showed that everything is "inherently" (by its own nature) empty; that is, nothing has independent, self-evident existence. Everything is pratītyasamutpāda—arisen through mutual dependence. This emptiness is not despair but the fullness of relationship—where everything sustains everything else.

(c) Two Truths Doctrine: Nagarjuna says that truth exists on two levels—conventional truth (saṃvṛti-satya)—common, relative truth; ultimate truth (paramārtha-satya)—final, non-dual truth. Liberation is possible only when, transcending the limits of both, one understands that both are two sides of the same reality.

(d) Mind-Only School (Cittamātra / Yogācāra): This branch, established by Asanga and Vasubandhu, states that the world is actually "mind-only." External objects are reflections of our consciousness. Therefore, liberation means purifying the mind.

Principal Texts and Sutras: Mahayana creates countless great sutras, such as:

Prajñāpāramitā Sūtra: This sutra states that true knowledge (prajñā) is complete only when one understands that everything is empty (śūnya), that nothing has permanent existence. It teaches the unity of emptiness and wisdom—"whatever exists is actually without inherent nature."

Laṅkāvatāra Sūtra: Here the main concept is the mind-only doctrine—the entire world is actually a reflection of mind or consciousness. There is no separate reality outside; whatever is seen is a form of consciousness.

Saddharma Puṇḍarīka Sūtra (Lotus Sūtra): This sutra states that all beings can become Buddhas in the future. Buddhahood belongs to no particular person; Buddha-nature is inherent in every sentient being.

Avataṃsaka Sūtra: This reveals the philosophy of universal unity and interconnectedness. Every being, every object is connected to every other—everything reflects within everything else like a vast cosmic web.

Vajracchedikā Sūtra (Diamond Sūtra): This sutra states that truth cannot be understood through thought or language. However subtle thought may be, truth lies beyond it; the mind that "transcends the limits of thought" alone is liberated.

In summary: Prajñāpāramitā—all is empty, Laṅkāvatāra—mind is all, Puṇḍarīka—all are Buddhas, Avataṃsaka—all are interconnected, Vajracchedikā—truth lies beyond thought and language.

Hīnayāna and Mahāyāna: Buddhism's two principal paths. The foundation of Buddhism is one—the Buddha's Four Noble Truths, the Eightfold Path, and the practice of eliminating suffering. But over time, this religion divided into two distinct philosophical and practice paths—Hīnayāna and Mahāyāna. This division is actually not philosophical but practice-oriented; it arose due to different realizations of the goal, path, and purpose of liberation.

Hīnayāna's ideal—personal liberation (arhat ideal). Hīnayāna means "lesser vehicle"—here "lesser" means limited or personal. Practitioners of this stream primarily engage in practice aiming at the cessation of their own suffering and the achievement of nirvana. In this stream, the arhat ideal is central—an arhat is one who has eliminated all craving, ignorance, and suffering to achieve personal nirvana. For them, liberation means the cessation of personal bondage, the serene peace of consciousness.

In Hīnayāna, reality is viewed through internal moral purity and meditation. Here the Buddha is seen as a perfectly enlightened human being who showed the cause of suffering and the path to liberation; but he is not some "unique consciousness" or "supreme being." Liberation here is personal and achievable through rigorous practice and moral discipline.

Mahāyāna's ideal—universal liberation (bodhisattva ideal). Mahāyāna means "great vehicle"—whose purpose is to lead all sentient beings on the path to liberation. Here liberation is not only for oneself; liberating others from suffering is also an integral part of liberation. The central concept in this stream is the bodhisattva.

A bodhisattva is one who, having reached the highest peak of knowledge, delays their own nirvana for the welfare of all beings. Their vow: "I shall not be liberated as long as a single being remains in suffering." This compassion (karuṇā) is the heart of Mahāyāna and the foundation of wisdom (prajñā).

Here the Buddha is seen not merely as a historical person but as the supreme symbol of consciousness—that Buddha-nature which exists within every being. Therefore, in Mahāyāna, liberation means awakening the Buddha-nature within oneself and inspiring that awakening in others as well.

Philosophical elaboration: Hīnayāna is mainly Abhidhamma and Vaibhāṣika analysis-centered; they seek liberation by analyzing the elements (dharma) of reality. "Abhidhamma" literally means "higher or detailed analysis of dharmas." This is one part of the Tripiṭaka (three baskets—the Buddhist scriptures divided into three main sections).

Vinaya Piṭaka—code of conduct, Sutta Piṭaka—the Buddha's teachings, Abhidhamma Piṭaka—philosophy and analysis. The purpose of Abhidhamma is to analyze the smallest elements (dharma) of existence. This is a kind of "Buddhist psychology and ontology"—where it is said that what we think of as "person" or "I" is actually a collection of many momentary dharmas. Therefore, Abhidhamma seeks to analyze existence to understand that there is no "permanent self," only momentarily changing elements (dharma).

Vaibhāṣika Analysis: Vaibhāṣika is a philosophical stream of the Sarvāstivāda school. "Vaibhāṣika" means those who follow the commentary called "Mahāvibhāṣā." The monks of this stream analyze the concepts of "Abhidhamma" more systematically. They believed that all dharmas (elements of existence) exist in some way in all three times (past, present, future) (sarvāsti). That is, past dharmas are not extinct, future dharmas also exist potentially—all are interconnected in one continuous existence. Thus, in analyzing reality, they create a kind of "objective ontology" (realism). Their perspective was extremely analytical and theoretical.

When it is said that "Hīnayāna is Abhidhamma and Vaibhāṣika analysis-centered," it means that the philosophical inquiry of this stream is primarily based on the analysis and objective explanation of the elements of existence. They want to explain the world through dharma-theoretical analysis, such as form, sensation, perception, mental formations, consciousness (five skandhas), and their interrelationships. They understand experience by dividing it into small "dharma" units—like psychological and existential chemical analysis. This vision is analytical, systematic, and rational.

Difference from Mahāyāna: Where the Abhidhamma and Vaibhāṣika streams understand the world through division and analysis, Mahāyāna understands the world through relationship and emptiness. That is, Abhidhamma says "everything is composed of many elements," while Mahāyāna says "there are no independent elements at all." One is an analytical perspective, the other a non-dual relational perspective.

Abhidhamma and Vaibhāṣika are that stream of Buddhist philosophy where the path to liberation is properly understanding, analyzing the smallest elements of reality (dharma) and comprehending their impermanent and non-self nature. This was the "scientific analytical branch" of the Buddha's teachings, from which Mahāyāna later progressed toward a metaphysical and non-dual consciousness.

On the other hand, two vast branches of Mahāyāna philosophy developed—Mādhyamika philosophy—established by Nāgārjuna, which is the philosophy of "emptiness." Yogācāra or Cittamātra—established by Vasubandhu and Asanga, which says the world is actually a reflection of consciousness. Thus Mahāyāna philosophy becomes not merely spiritual but a profound metaphysics—where emptiness, compassion, wisdom, and Buddha-nature are united together.