Core Philosophical Foundations of Buddhism

Buddhism rests on a remarkably coherent set of philosophical principles that challenge how we understand existence itself. At its core, the Buddha’s teaching is not a system of blind faith but a rigorous inquiry into the nature of reality. Three foundational concepts – dependent origination (Pratītyasamutpāda), impermanence (Anitya), and non-self (Anātman) – form the bedrock of all Buddhist thought. These ideas are deeply interconnected: each one reinforces and illuminates the others. Together, they offer a philosophical framework that explains how suffering arises, why it persists, and how it can be ended.

Pratītyasamutpāda: the principle of dependent origination 🔗

Dependent origination, or Pratītyasamutpāda, is arguably the single most important doctrine in Buddhism. The term itself comes from two Sanskrit words: pratītya, meaning “having depended,” and samutpāda, meaning “arising.” Put together, the term conveys the idea that everything arises in dependence upon multiple causes and conditions – nothing exists as a singular, independent entity. This is the Buddhist answer to one of philosophy’s oldest questions: why do things exist?

The principle can be expressed in a simple formula that appears hundreds of times throughout the Buddhist sutras: “When this exists, that exists. From the arising of this comes the arising of that. When this isn’t, that isn’t. From the cessation of this comes the cessation of that.” This formula, known as idappaccayatā (specific conditionality), is a concise statement of the entire Buddhist worldview. Nothing in the universe exists in isolation. Every phenomenon – physical or mental – arises because of specific conditions, and it ceases when those conditions are removed.

The historical importance of this teaching cannot be overstated. According to the Pali canon, when the wandering ascetic Śāriputra asked the Buddha’s disciple Aśvajit about his teacher’s doctrine, Aśvajit summed it up by saying that the Buddha taught the causes of all phenomena and the way to their cessation. This brief statement was enough to set Śāriputra on the path to enlightenment, and it came to be known as the Pratītyasamutpāda verse. The teaching was considered so central that the Theravāda tradition records Śāriputra as saying that whoever grasps dependent origination grasps the Dharma, and whoever grasps the Dharma grasps dependent origination.

The twelve links (Nidānas) 🔗

The most well-known application of dependent origination is the twelve links, or nidānas, which describe the chain of causation that perpetuates the cycle of birth, death, and rebirth (samsāra). These twelve links are: ignorance (avidyā), volitional formations (saṃskāra), consciousness (vijñāna), name-and-form (nāmarūpa), the six sense bases (ṣaḍāyatana), contact (sparśa), feeling (vedanā), craving (tṛṣṇā), grasping (upādāna), becoming (bhava), birth (jāti), and old age and death (jarāmaraṇa).

The twelve links are traditionally depicted as the outer ring of the Wheel of Life (Bhavacakra), illustrating how one condition gives rise to the next in a continuous cycle. Ignorance about the true nature of reality leads to intentional actions that create karmic imprints. These imprints condition consciousness, which in turn gives rise to the psychophysical organism, sense experience, contact, feeling, craving, grasping, and ultimately rebirth, aging, and death. The cycle then begins again.

It is crucial to understand that this is not a simple, linear chain. Each link arises in dependence upon multiple causes and conditions, not just the preceding link. The relationship between the links is not a mechanical process where one automatically triggers the next; rather, each arises from a complex web of interacting factors. The practical significance of this teaching is that the chain can be broken. By eliminating ignorance and craving – the root causes – the entire cycle of suffering can be brought to an end.

Dependent origination as a middle way 🔗

The Buddha explicitly presented dependent origination as a middle path between two philosophical extremes: eternalism (śāśvatavāda) and nihilism (ucchedavāda). Eternalism holds that things possess a permanent, unchanging essence. Nihilism claims that nothing truly exists or that existence ends entirely at death. Dependent origination rejects both positions. Things do exist – but only as processes arising from causes and conditions, not as fixed entities. They are real but impermanent, present but without an independent essence.

This middle way is what made Buddhism philosophically distinctive within the Indian tradition. The Buddhist view rejects the idea of a creator god or a singular first cause. Since all phenomena depend on multiple conditions, there can be no uncaused beginning of the universe. This was a direct challenge to both the theistic traditions of Hinduism and the materialist schools of ancient India.

Anitya: the doctrine of impermanence 🔗

If dependent origination explains how things arise, Anitya (impermanence) describes what happens to them once they do. In Pali, the term is anicca; in Sanskrit, anitya. It is the first of the three marks of existence (trilakṣaṇa) – characteristics that apply to all conditioned phenomena. The other two are suffering (duḥkha) and non-self (anātman).

The doctrine asserts that all conditioned things – without exception – are transient. Every physical object, every mental state, every living being is in a constant state of flux. The human body illustrates this clearly through the stages of childhood, youth, maturity, and old age. Mental events – thoughts, emotions, perceptions – arise and dissolve moment by moment. Even what appears solid and stable at a macro level is, at a deeper level, a process of continuous change.

Buddhist philosophy analyses impermanence in two ways. Gross impermanence is the kind we can all observe: seasons change, buildings decay, people age and die. Subtle impermanence is the moment-to-moment change that occurs beneath the surface of apparent stability. The Abhidharma tradition developed a rigorous doctrine of momentariness (kṣaṇavāda), proposing that all physical and mental phenomena are momentary, arising and passing away in the shortest conceivable unit of time. In this view, what we perceive as a continuous “thing” is actually a rapid succession of discrete, momentary events.

Impermanence and suffering 🔗

The connection between impermanence and suffering is direct and practical. When we become attached to things that are unstable, unreliable, and constantly changing, suffering inevitably follows – because those things will change, decay, or disappear. The Buddha taught that the root of dissatisfaction (duḥkha) lies in this mismatch: we crave permanence in a world where nothing is permanent.

This is not a pessimistic observation. The Buddhist point is that recognising impermanence is actually the first step toward freedom. When we stop clinging to the illusion of permanence – whether in possessions, relationships, status, or even our own sense of identity – the grip of suffering loosens. The truth of impermanence is considered the foundation of the Buddhist path and the starting place of spiritual progress toward enlightenment.

Anātman: the doctrine of non-self 🔗

Of all the Buddha’s teachings, Anātman (non-self) is perhaps the most radical and the most often misunderstood. The term comes from an (not) + ātman (self). In Buddhism, anātman is the doctrine that there is in humans no permanent, underlying substance that can be called the soul. Instead, what we call a “person” is a dynamic combination of five constantly changing factors known as the skandhas (aggregates).

The five aggregates (Skandhas) 🔗

The Buddha broke down the human person into five components to demonstrate the absence of a fixed self:

Form (rūpa) refers to the physical body and material processes. Feeling (vedanā) covers the quality of pleasantness, unpleasantness, or neutrality in every experience. Perception (saṃjñā) is the mental function that recognises and categorises sensory input. Volitional formations (saṃskāra) include all intentional mental activities – thoughts, emotions, decisions, and habitual patterns. Consciousness (vijñāna) is the basic awareness that arises when a sense organ makes contact with an object.

The Buddha’s method was to examine each aggregate and ask: is this permanent? Is this satisfactory? Can this be identified as “me” or “mine”? In every case, the answer was no. As the Pali scriptures record, the Buddha would systematically question his disciples about each aggregate – body, feeling, perception, formations, consciousness – and each time they would acknowledge that it was impermanent, unsatisfactory, and therefore unfit to be regarded as the self.

What anātman does and does not claim 🔗

A common misunderstanding is that anātman means “there is no person” or “you don’t exist.” This is not what the doctrine claims. Anātman is not a denial of personhood but a denial of ordinary assumptions about human identity – specifically, the belief that there is a unified, persisting essence that remains the same across time. Persons exist in a conventional sense as collections of ever-changing processes, but there is no fixed core behind those processes.

This teaching was a direct departure from the dominant philosophical position in ancient India. The Hindu traditions asserted the existence of Ātman – an eternal, unchanging self or soul that is the true essence of every individual. The Buddha challenged this by arguing that if we look closely at any aspect of experience, we find nothing permanent, nothing that stands apart from the flow of conditioned phenomena. What we call “self” is a convenient label for a constantly shifting combination of physical and mental processes.

The practical purpose of anātman 🔗

The anātman doctrine is not just an abstract philosophical claim. It has a clear practical purpose: to dissolve the attachment and clinging that produce suffering. When we identify strongly with a fixed self – “I am successful,” “I am a failure,” “this is mine” – we create the conditions for anxiety, possessiveness, and grief. The teaching of non-self aims to loosen this identification.

Buddhist practitioners use meditation – particularly vipassanā (insight meditation) – to observe directly how thoughts, feelings, and perceptions arise and pass away without any permanent observer behind them. Over time, this practice reveals that what we experience as “I” is a process, not a thing. This insight does not produce a sense of loss or emptiness in the nihilistic sense. Instead, it can foster greater compassion, since recognising the absence of a rigid self-other boundary makes it easier to empathise with others who are equally caught in the cycle of suffering.

How the three doctrines connect 🔗

Dependent origination, impermanence, and non-self are not three separate teachings that happen to coexist. They are three ways of describing the same fundamental reality. Because all phenomena arise through dependent origination, they are necessarily impermanent – they last only as long as their conditions persist. And because they are impermanent, nothing within them can serve as a permanent, independent self. The logic flows in a tight circle: dependence entails change, and change entails the absence of a fixed essence.

The Pali canon captures this connection in a single formula: “All conditioned things are impermanent. All conditioned things are unsatisfactory. All phenomena are without self.” The first two statements apply to all conditioned things (saṅkhāra); the third applies to all phenomena (dhamma) without qualification – including the unconditioned state of nirvāṇa. This means that even liberation is not a “self” or a thing to be possessed; it is the cessation of the conditions that produce suffering.

These three presuppositions also provide the philosophical foundation for the Four Noble Truths – suffering exists, it has a cause (craving rooted in ignorance of these three marks), it can end, and there is a path to its ending. Without dependent origination, there would be no explanation for how suffering arises. Without impermanence, there would be no possibility of change or liberation. Without non-self, there would be no way to uproot the fundamental ignorance that keeps the cycle turning.

Why these foundations still matter 🔗

The philosophical presuppositions of Buddhism are not relics of an ancient worldview. They continue to generate serious philosophical discussion and have found surprising resonance with modern thought. The idea that nothing exists independently echoes findings in fields ranging from ecology to quantum physics. The emphasis on process over substance aligns with developments in Western philosophy from Whitehead’s process philosophy to contemporary cognitive science, which increasingly views the self as a constructed narrative rather than a fixed entity.

More practically, these doctrines offer a framework for dealing with the basic challenges of human life – loss, change, and the search for meaning. Understanding impermanence can reduce the sting of loss. Recognising dependent origination can encourage a sense of responsibility and interconnection. And engaging seriously with the teaching of non-self can free a person from the prison of rigid self-image and the anxieties that come with it.

What do you think? If everything we experience is impermanent and without a fixed self, does that make life less meaningful – or does it open up a different kind of meaning altogether? And can we truly live according to these insights, or is the pull of selfhood and permanence too deeply wired into human experience?

References

1. https://encyclopediaofbuddhism.org/wiki/Pratityasamutpada
2. https://www.encyclopedia.com/religion/encyclopedias-almanacs-transcripts-and-maps/pratityasamutpada-dependent-origination
3. https://www.lionsroar.com/buddhism/twelve-nidanas/
4. https://encyclopediaofbuddhism.org/wiki/Twelve_links_of_dependent_origination
5. https://en.wikipedia.org/wiki/Prat%C4%ABtyasamutp%C4%81da
6. https://www.britannica.com/topic/anicca
7. https://plato.stanford.edu/archives/win2010/entries/abhidharma/
8. https://encyclopediaofbuddhism.org/wiki/Anicca
9. https://www.lionsroar.com/buddhism/impermanence-anicca/
10. https://www.britannica.com/topic/anatta
11. https://www.theosophical.org/publications/quest-magazine/the-buddha-s-teaching-of-no-self
12. https://1000wordphilosophy.com/2023/02/25/no-self/
13. https://en.wikipedia.org/wiki/Anatt%C4%81
14. https://en.wikipedia.org/wiki/Three_marks_of_existence