Dependent Origination

On the night of his awakening at Bodh Gaya, what the Buddha is said to have seen — first in forward order, then in reverse — was paṭicca-samuppāda, dependent origination. The Mahāvagga of the Vinaya Pitaka records the teaching at the very beginning of the canon. The principle is stated with austere economy: "When this is, that is. From the arising of this, that arises. When this is not, that is not. From the cessation of this, that ceases." (imasmiṃ sati idaṃ hoti).

This is the formal logic of Buddhist philosophy. Nothing arises alone. Nothing exists by itself. Every phenomenon is the convergence of conditions, and when those conditions disperse, the phenomenon disperses with them. The full doctrine is usually elaborated as a chain of twelve links (nidānas), set out in the Mahānidāna Sutta (DN 15) and the Paṭicca-samuppāda Sutta (SN 12.1): ignorance (avijjā) conditions formations (saṅkhārā); formations condition consciousness (viññāṇa); consciousness conditions name-and-form (nāmarūpa); name-and-form conditions the six sense bases (saḷāyatana); the six sense bases condition contact (phassa); contact conditions feeling (vedanā); feeling conditions craving (taṇhā); craving conditions clinging (upādāna); clinging conditions becoming (bhava); becoming conditions birth (jāti); birth conditions aging-and-death (jarāmaraṇa), and the whole mass of suffering arises. Reverse the chain — let ignorance cease — and the whole mass ceases.

How the twelve links are to be read has been debated for two and a half millennia. The classical Theravada commentary, articulated by Buddhaghosa in the Visuddhimagga, distributes them across three lifetimes: ignorance and formations as past causes, consciousness through becoming as present effects and present causes, birth and aging-and-death as future effects. Ñāṇavīra Thera and others in the modern Theravada have argued for a present-moment reading in which the entire chain operates in each cognitive instant. The Mahayana, especially the Madhyamaka of Nāgārjuna, reads dependent origination as the very meaning of emptiness — to be empty (śūnya) is precisely to arise dependently. "Whatever is dependently arisen," Nāgārjuna writes in the dedicatory verses of the Mūlamadhyamakakārikā, "that we call emptiness; that is dependent designation; that itself is the middle way."

“On the night of his awakening at Bodh Gaya, what the Buddha is said to have seen — first in forward order, then in reverse — was paṭicca-samuppāda, dependent origination.”

The doctrine is not merely descriptive. It is the deep structure of the Four Noble Truths. The first truth — there is dukkha — corresponds to the forward chain. The second — there is a cause — names the link of craving and the deeper link of ignorance. The third — there is cessation — corresponds to the reverse chain. The fourth — the path — is the actual cutting of the chain at its most workable link: between feeling and craving, where mindfulness can interrupt the automatism of reaction.

What dependent origination forecloses is any notion of a first cause. There is no creator-deity at the head of the chain, no metaphysical ground beneath it. There is no self that is the doer behind the deed. Yet there is also no nihilism — actions condition consequences, intentions condition rebirth, the moral structure of the cosmos is preserved precisely because conditionality is. In the Kaccānagotta Sutta (SN 12.15), the Buddha tells the wanderer Kaccāna that "this world for the most part, Kaccāna, depends upon a duality — upon existence and non-existence." Dependent origination is the teaching that cuts between these poles.

In the Tibetan tradition, dependent origination is the heart of the second turning of the wheel and the very form of the philosophical training in Madhyamaka — commentators in that lineage have called it the "king of reasonings." In Zen, the same principle takes the language of the "interbeing" of all phenomena — the term Thich Nhat Hanh coined to render paṭicca-samuppāda in everyday English. "The paper this poem is written on contains the cloud," he writes, "because without the cloud there is no rain, without rain no tree, without tree no paper."

To see dependent origination is to see the dharma. To see the dharma, the Buddha says in the Mahāhatthipadopama Sutta (MN 28), is to see the Buddha.