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Where Did the Idea of Brahman Originate?
The idea of Brahman originated in ancient India, emerging from the religious rituals, philosophical questioning and spiritual speculation of the Vedic civilisation.
It developed over many centuries, eventually becoming one of the most profound concepts in Indian philosophy: the idea that beneath the diversity of the universe there exists a single, ultimate, underlying reality.
But its origins are particularly interesting because Brahman did not appear fully formed.
It evolved from an earlier Vedic idea concerning the power of sacred words, ritual utterances and the cosmic order into a much deeper philosophical conception of the ultimate nature of existence.
Let's follow that evolution.
1. The earliest origins: The Vedic civilisation
The earliest foundations of Brahman are found in the Rigveda.
The Rigveda is generally dated to approximately 1500–1200 BCE in its composition, although the dating of individual material is uncertain.
It contains hymns concerning:
The origins of the universe.
The forces of nature.
The gods.
The relationship between humanity and the cosmos.
The mysterious principles governing existence.
The early Vedic thinkers were interested in something fundamental:
What holds the universe together?
They observed an ordered universe involving the movements of celestial bodies, the changing seasons, life, death and natural cycles.
They sought an underlying principle that could explain this order.
One important early concept was ṛta — the cosmic order or principle of regularity governing the universe.
Another was brahman, initially associated with sacred utterance, prayer, ritual formulation and the power of sacred speech.
This is an important historical distinction: the earliest meaning of Brahman was not yet exactly the later philosophical idea of an infinite universal reality.
2. The transformation: From sacred words to cosmic power
This is a fascinating development.
The early Vedic priests believed that correctly performed rituals and correctly pronounced sacred words had extraordinary power.
A mantra was not regarded as merely a collection of sounds. It was understood as an utterance capable of producing effects within the ritual and cosmic order.
The reasoning gradually developed:
Sacred words possess power.
That power makes the ritual effective.
Rituals are understood to sustain or participate in cosmic order.
Perhaps the power behind sacred words and rituals is connected to the power underlying the universe itself.
The word brahman gradually acquired this more expansive meaning.
The precise historical pathway is debated, but the connection between sacred utterance and ultimate reality is well documented.
3. The Upanishads: The birth of Brahman as ultimate reality
The decisive philosophical transformation occurred in the Upanishads.
The earliest major Upanishads are generally dated to approximately 900–500 BCE, although their composition and transmission occurred over time.
Thinkers began asking questions that went beyond the performance of religious rituals:
What is the ultimate source of existence?
What existed before the universe?
What is the essential nature of life?
What is the relationship between the individual and the cosmos?
Is there something permanent beneath the constantly changing world?
One particularly important idea emerged:
The multiplicity of the universe may arise from a single underlying reality.
This reality came to be called Brahman.
The Upanishads explore this through several formulations.
For example, the Chandogya Upanishad contains the famous teaching:
Sarvam khalvidam brahma.
"All this, indeed, is Brahman."
This is a remarkable philosophical development: Brahman is no longer simply the power of sacred language or ritual. It is the ultimate reality underlying everything.
4. The extraordinary connection: Brahman and Atman
The Upanishadic thinkers then made an even more radical leap.
They asked whether the ultimate reality of the universe might also be the deepest reality within the individual.
This produced the philosophical relationship between:
Brahman — ultimate reality.
Atman — the innermost self.
The Chandogya Upanishad expresses this through:
Tat Tvam Asi.
"Thou art That."
The Bṛhadāraṇyaka Upanishad also explores the identity of the deepest self and ultimate reality.
This became particularly important in Advaita Vedanta, which was systematically developed by Adi Shankaracharya in approximately the eighth century CE.
Shankara's interpretation was that Brahman is the one ultimate reality and that the apparent separation between individual self and ultimate reality is rooted in ignorance.
This is where your original question about consciousness becomes particularly interesting.
If Atman and Brahman are ultimately one, then individual consciousness is not necessarily understood as something independently manufactured by the brain. In this philosophical tradition, the deepest self is fundamentally identical with ultimate reality.
That is a metaphysical claim, not an established neuroscience finding.
5. Where did the original idea come from? Human observation or revelation?
This is perhaps the deepest historical question.
There are two ways to approach it.
The historical explanation
The idea appears to have developed through generations of Vedic ritual specialists, poets and philosophical thinkers.
They investigated:
The apparent order of nature.
The power of language and sound.
The relationship between ritual and the cosmos.
The mystery of life and death.
The relationship between the individual and the universe.
Over centuries, these reflections developed into increasingly abstract philosophical ideas.
The traditional Hindu explanation
Within Hindu tradition, the Vedas are regarded as śruti, meaning knowledge that was heard or revealed to ancient seers (rishis).
In this understanding, the rishis did not invent Brahman. They discovered or directly realised a reality that had always existed.
These are different explanations: one is a historical account of how the concept developed; the other is a religious account of how its truth was encountered.
6. A timeline of the evolution of Brahman
Period | Development |
|---|---|
c. 1500–1200 BCE | Early Vedic hymns and sacred utterances |
c. 1200–800 BCE | Development of ritual and cosmic interpretations |
c. 900–500 BCE | Early Upanishadic speculation about Brahman |
c. 500 BCE–200 CE | Further philosophical development |
c. 8th century CE | Shankara develops Advaita Vedanta |
These dates are approximate and the periods overlap.
7. Three concepts that should not be confused
Brahman
The ultimate, universal reality in Hindu philosophy.
Brahmā
A Hindu creator deity, traditionally depicted with four heads. Not the same as Brahman.
Brahmin
A member of the traditional priestly and scholarly social class.
8. My most interesting question: Why did ancient Indian thinkers arrive at this idea?
Consider what they were attempting to understand.
They observed a universe in which everything appeared to change:
Stars are born and disappear.
Seasons come and go.
Living organisms emerge and die.
Thoughts arise and vanish.
Human identity changes throughout life.
Yet they wondered whether there might be something underlying all these changes that does not itself change.
This is the philosophical intuition at the heart of Brahman.
It is an attempt to identify the permanent foundation beneath impermanent appearances.
And this brings us directly back to your original interest in consciousness.
Imagine the following philosophical possibility:
The physical universe is the visible expression of an underlying reality.
The brain is part of that physical universe.
Individual conscious experience is another expression of that reality.
The deepest nature of the individual and the deepest nature of the universe might therefore be connected.
This is one way of understanding the Advaita Vedanta perspective.
The crucial distinction: Ancient Indian philosophers did not establish that the unconscious brain is Brahman. That was an interesting modern analogy in the original passage, rather than the original meaning of the Hindu concept.
9. Three fascinating directions to explore next
These questions take us into some of the deepest territory in philosophy.
1. Before the universe existed, was there Brahman? Explore the Nasadiya Sukta (Rigveda 10.129), one of humanity's extraordinary ancient reflections on the origin of existence.
2. Did Brahman create consciousness, or is consciousness itself Brahman? Explore the Mandukya Upanishad, which investigates waking, dreaming, deep sleep and the mysterious fourth state, Turiya.
3. Did ancient Indian thinkers independently discover something resembling modern theories of consciousness and fundamental reality? Compare Advaita Vedanta with modern physics, information theory and the philosophy of mind.
My recommendation is to start with the Nasadiya Sukta and the Mandukya Upanishad. Together, they offer an extraordinary starting point for investigating two questions: where did everything originate, and what is the nature of the awareness through which we experience existence?
For further reading: Routledge Encyclopedia of Philosophy – Brahman and Oxford Academic – The Upanishads.
