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Main positions:Director, High Performance Computing Platform, PKU
Degree:Doctoral degree
Status:Employed
School/Department:Institute of Theoretical Physics

Lei Yian

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Education Level: Postgraduate (Doctoral)

Administrative Position: Associate Professor

Alma Mater: Peking University

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When Postulates Replace Reality
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When Postulates Replace Reality

I. The Turning Point of Science: From Discovering Laws to Imposing Rules

Early science was an act of listening—to nature’s rhythms, patterns, and necessities. From Galileo and Newton to Maxwell, scientists operated on a shared conviction: nature possesses an intrinsic order, and humanity’s role is not to invent it, but to uncover it.

A law was the fruit of discovery—a reflection of how nature must behave.
A postulate, by contrast, is a human stipulation—a starting point we choose, not one we find.

When intuition faltered and experiments grew opaque, science began to retreat behind postulates—convenient veils draped over the unknown. Nowhere is this shift more stark than in quantum mechanics. Statements like “The wave function exists,” “Measurement collapses the system,” “Spin is intrinsic,” or “Position and momentum cannot be simultaneously known” are not empirical discoveries. They are assumptions erected to preserve the internal consistency of mathematical formalism.

Thus, science quietly pivoted: from discovering reality to defining it, from seeking nature’s laws to legislating its rules.

II. The Nature of Postulates: Ignorance Dressed as Truth

Every postulate begins as an honest admission: We do not know.
We do not understand why particles carry spin—so we assume it is intrinsic.
We cannot explain why measurement changes outcomes—so we postulate collapse.
We fail to reconcile wave and particle—so we declare the wave function both real and unreal.

Yet once enshrined in equations, assumptions acquire the aura of truth. Students memorize them as dogma. Scholars defend them as doctrine. Philosophers elevate them as profundity. Science, in time, forgets to ask why—and settles for it simply is.

Postulates are born in humility but mature into arrogance. They replace “We do not know” with “Nature is thus,” leading us to mistake the scaffolding of our models for the architecture of reality itself.

III. Quantum Postulates: The Triumph of Mystery Over Reality

The Copenhagen interpretation marks one of the most ingenious—and perilous—conceptual turns in the history of science. Faced with contradictions in electron trajectories and measurement outcomes, Bohr and Heisenberg did not return to physical imagery to seek deeper causes. Instead, they declared reality itself unknowable.

From this emerged a startling logic:

  • When theory clashes with observation, it is not the theory that is flawed—but reality that is ineffable.

  • When mathematics lacks a physical picture, it is not that we’ve lost the image—but that no image exists.

  • When causality breaks down, it is not a sign of an incomplete model—but proof that nature has no cause.

This is the essence of quantum mysticism: when understanding fails, profundity masks ignorance; when logic stumbles, “transcending common sense” becomes a substitute for explanation.

Science no longer explains the world—it explains itself.

IV. The Standpoint of Natural Quantum Theory: Let Nature Speak Again

Natural Quantum Theory rejects any postulate not grounded in experiment or physical imagery. It asserts:

  • Spin is not assumed—it is rotation of an extended charge.

  • The wave function is not an entity—it is a mathematical representation of field modes.

  • Uncertainty is not a law of nature—it is a consequence of Fourier analysis.

  • Quantization is not imposed—it arises from boundary conditions and natural resonance.

Nature needs no postulates, for nature is never self-contradictory. True science derives equations from nature’s structure—not nature from equations.

In Natural Quantum Theory, every symbol must correspond to a real physical process. Every “law” must be traceable to intuitive pictures of fields, energy flows, magnetic moments, and motion. The beauty of science lies not in abstract symmetries, but in the coherent logic of a world that makes sense.

V. The Return of Philosophy: From Worship of Formalism to Reverence for Reality

The peril of formalism is this: when equations are elegant, truth is forgotten. We become enchanted by mathematical beauty while overlooking nature’s simplicity. The revolution of Natural Quantum Theory is not against mathematics—but for its fidelity to reality.

Science should not be a belief system. It should be a quest.
It should not manufacture mystery. It should dissolve it.

Where postulates arise, reality recedes.
Where reality returns, postulates vanish of their own accord.

VI. Conclusion: The Mission of Science Is to Demystify, Not Deify

A true scientific revolution is not measured by more complex equations, but by clearer pictures. When we no longer need to assume that the electron has spin-½, that measurement collapses the wave function, or that nature lacks trajectories—then science will have reconnected with reality.

The highest aim of science is not to accumulate postulates,
but to render them unnecessary—
so that nature may simply be,
without apology, without assumption,
and without us.