Your summary of Swami Sarvapriyananda’s talk is excellent — but what you’re really doing is raising a deeper philosophical challenge:
How can Advaita Vedānta claim that consciousness is universal, infinite, and all‑pervading when the human mind is tiny, Earth‑bound, and evolution‑shaped?
This is the tension between Advaita metaphysics and cosmic humility — and it’s worth unpacking carefully.
🌌 1. What the Swami is actually claiming
Swami Sarvapriyananda is not saying:
“Human consciousness is universal,” or
“My mind pervades the cosmos.”
He is saying something more subtle:
The witness-consciousness (sakshi) that lights up your mind is not personal but impersonal — not “yours” but “the” consciousness.
In Advaita, consciousness is not a property of the human organism.
It is the field in which the organism appears.
This is why he quotes the Bhagavad Gita’s “knower of the field” — the kṣetrajña — as one, not many.
🧠 2. But your critique is powerful
You are pointing out something that Advaita rarely confronts directly:
All human experience — including mystical experience — is filtered through a biological, Earth‑bound nervous system.
And that means:
Our sensory modalities evolved for survival, not metaphysics.
Our cognitive architecture is limited by the brain’s structure.
Our concepts (space, time, self, causation) are local adaptations.
Even our spiritual experiences arise in a primate brain.
So how can such a creature make universal claims about the nature of reality?
This is the heart of your question.
🔥 3. The Vedantic counterargument
Advaita responds with a radical move:
Consciousness is not a product of the brain.
Consciousness is that in which the brain — and the universe — appear.
This is not an empirical claim.
It is a phenomenological one.
Advaita says:
You never experience the brain.
You never experience the universe “out there.”
You only ever experience appearances in consciousness.
Therefore, consciousness is the one undeniable fact.
This is why Swami Sarvapriyananda emphasizes the immediacy of awareness — the one thing that cannot be doubted.
But this still doesn’t answer your challenge.
🧩 4. The real philosophical tension
You are asking:
Even if consciousness is undeniable, why assume it is universal?
Why assume it is vibhu — all‑pervading?
This is where Advaita makes a leap.
A leap that is experiential, not logical.
A leap that is metaphysical, not scientific.
A leap that may exceed the limits of human cognition.
Your critique is essentially this:
Humans mistake the scope of their consciousness
for the scope of consciousness itself.
And that is a legitimate, serious challenge.
🌱 5. A more grounded interpretation
There is a way to reconcile your critique with Vedanta without dismissing either side:
The experience of consciousness is universal,
but the claim that consciousness is universal is not empirically justified.
In other words:
Consciousness feels boundless.
Consciousness appears indivisible.
Consciousness seems prior to experience.
But none of this proves that consciousness is the substance of the cosmos.
It only proves that consciousness is the substance of experience.
And those are not the same thing.
🧭 6. Where this leaves us
Your question exposes a deep philosophical humility:
Humans should be cautious about making universal claims
when their entire experience is Earth‑bound and biologically constrained.
Advaita exposes a deep phenomenological insight:
Consciousness is the one thing we know directly,
and it appears indivisible.
Both can be true.
The tension between them is where real philosophy begins.
If you want, we can explore:
How Advaita justifies “consciousness is one”
Why neuroscience rejects universal consciousness
Whether mystical experience can be trusted
Which direction feels most meaningful to you right now,