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Frank Visser, graduated as a psychologist of culture and religion, founded IntegralWorld in 1997. He worked as production manager for various publishing houses and as service manager for various internet companies and lives in Amsterdam. Books: Ken Wilber: Thought as Passion (SUNY, 2003), and The Corona Conspiracy: Combatting Disinformation about the Coronavirus (Kindle, 2020).

Spirit Without a Cause

Traditionalism, Neo-Traditionalism, and the Science of Evolution

Frank Visser / ChatGPT

In the ongoing conversation between spirituality and science, few debates are more contentious—and more revealing—than the question of evolution. Is the development of life on Earth a blind, contingent process governed by physical laws and random mutations? Or is it animated by some deeper intelligence, purpose, or spiritual force? This question lies at the heart of a subtle but crucial divide between two prominent voices in the integral community: Brad Reynolds, the fervent expositor of timeless nonduality, and Ken Wilber, the architect of a grand synthesis in which evolution itself is recast as Spirit-in-action. Both speak the language of the perennial philosophy, yet their visions diverge sharply. Reynolds is a traditionalist, Wilber a neo-traditionalist—and neither, it must be said, makes peace with mainstream evolutionary science, which continues to flourish quite well without invoking any Spirit at all. Let us clarify the landscape before digging in.

I. Traditionalism: Spirit Without Action

Brad Reynolds stands in the lineage of what René Guénon and Frithjof Schuon called the Perennial Tradition—a metaphysical worldview that sees all of reality as a manifestation of a singular, timeless, transcendent Source: Spirit, God, the Absolute. For Reynolds, evolution is not a process of becoming, but a play within Being. Spirit does not cause evolution in time; rather, it is the context within which all time-bound events unfold. It is not a force; it is prior to force.

This is a classically metaphysical position. Reynolds resists the temptation to psychologize or historicize Spirit. He speaks of eternal realization, timeless awareness, and nondual truth. In this frame, to speak of Spirit as “doing” something—guiding evolution, intervening in biology—is a kind of category error. Spirit simply is. Evolution, like everything else, arises within its infinite embrace but is not its project.

Such a view is internally consistent and metaphysically conservative. But it also abdicates any explanatory role. Reynolds's Spirit is like pure silence: perfect, untouched, and irrelevant to the mechanisms of change. As such, it is immune to scientific critique—and equally incapable of offering any scientific insight.

II. Neo-Traditionalism: Spirit with a Job to Do

Ken Wilber, by contrast, has always been more ambitious. In books like Sex, Ecology, Spirituality and A Brief History of Everything, he proposes a vision in which Spirit not only pervades all things but moves through time, driving the unfolding of complexity and consciousness. He borrows from Hegel, Teilhard de Chardin, and Aurobindo to reframe evolution as a teleological process: a cosmos gradually waking up to itself.

Wilber's famous phrase—"evolution is Spirit-in-action"—is the lynchpin of this vision. He repeatedly asserts that the emergence of complex biological structures (like the eye, the immune system, or the human brain) cannot be explained by random mutation and natural selection alone. These, he claims, are insufficient. Something more is needed—Eros, or the inherent drive of Spirit toward greater depth.

But what, exactly, is Eros? Is it a metaphor? A metaphysical hypothesis? A causal force? Wilber slides between these meanings, often without warning. To critics, this renders his system rhetorically seductive but conceptually incoherent. He wants Spirit to be nondual and timeless, yet also historical and developmental. He wants to keep the purity of metaphysics while also claiming explanatory authority in empirical domains. This is not a synthesis; it is a confusion of categories.

And here Wilber begins to sound less like a philosopher and more like an Intelligent Design theorist with Sanskrit footnotes.

III. The Science of Evolution: Complexity Without Spirit

Meanwhile, the actual science of evolution—Darwinian, neo-Darwinian, and post-Darwinian—is doing just fine without metaphysical supplements. Let's briefly review what modern evolutionary biology actually offers:

• Natural Selection explains adaptation and survival based on environmental pressures.
• Genetic Drift accounts for random changes in small populations.
• Gene Duplication and Co-option explain how complex features evolve from simpler parts (e.g., eyes, wings, and immune systems).
• Evo-Devo (Evolutionary Developmental Biology) explores how regulatory genes shape morphology.
• Horizontal Gene Transfer and Symbiogenesis expand the mechanisms of innovation.
• Epigenetics introduces non-genetic inheritance that can affect evolutionary trajectories.

At no point does science invoke Spirit, Eros, or telos. And crucially: it doesn't need to. The explanatory power of evolutionary biology grows every decade, not by appealing to mystery, but by unraveling it.

Do mysteries remain? Certainly. But in science, mystery is a prompt for investigation, not an invitation to declare divine intervention. The eye did not require Spirit; it required light-sensitive cells, cumulative selection, and lots of time.

IV. Frank Visser: The Defender of Science and Critic of Wilber's Spirit

In the integral community, Dutch scholar Frank Visser plays a critical role in defending evolutionary science against what he sees as Ken Wilber's overreach. Visser, a longtime Wilber critic, focuses much of his critique on Wilber's use of Spirit as a causal force in evolution. He challenges Wilber's teleological interpretation, arguing that:

• Wilber selectively interprets or exaggerates scientific findings to fit his spiritual narrative.
• Wilber conflates metaphorical language with ontological claims.
• Wilber's invocation of Spirit as a dynamic evolutionary force is incompatible with the empiricism and methodological naturalism that underpin biology.

Visser's rigorous, often meticulous unpacking of Wilber's claims aims to defend the integrity of science from spiritual speculation. He insists that Wilber's Spirit is neither scientifically verifiable nor necessary, and that evolutionary biology's explanatory frameworks are sufficient on their own terms.

V. Reynolds vs. Visser: The Battle Over Wilber's Real View

This critique from Visser provokes a defensive reaction from Brad Reynolds and other traditionalists who argue that Visser misrepresents Wilber by cherry-picking statements or failing to grasp the metaphysical depth of Wilber's philosophy.

Reynolds contends that:

• Visser reduces Wilber's richly layered and nuanced metaphysical view to simplistic, literal interpretations.
• Wilber's real position on Spirit as the ground of being is closer to traditional perennialism than Visser admits.
• Visser's critiques miss the point that Spirit, as Wilber ultimately understands it, is not a “force” in the physical sense, but an all-encompassing reality that transcends causal categories.

This dispute reveals a profound ambiguity in Wilber's work. While Wilber sometimes speaks of Spirit as a dynamic energy or drive, other times he frames it as a nondual absolute beyond all dualities, including causality. This duality leaves room for both Visser's and Reynolds's interpretations—meaning Wilber's position can appear both scientifically problematic and metaphysically orthodox, depending on the reader.

Yet Reynolds' own position is not without internal tension. While he insists that Spirit is utterly timeless, unchanging, and beyond causality—a view consistent with traditional nondual metaphysics—his language frequently describes evolution as an unfolding, manifestation, or expression of that very Spirit. These terms imply process, direction, and development—precisely the qualities that timeless Spirit is said to transcend. In trying to defend Wilber's metaphors as purely symbolic, Reynolds ends up using them in ways that reintroduce the very dynamism he denies. The result is a subtle but unresolved wobble: Spirit is beyond becoming, yet somehow becomes; it does not act, yet it unfolds. In this way, Reynolds echoes Wilber's own ambiguity, even as he accuses Visser of distorting it.

The irony is that both Reynolds and Visser reject the notion of Spirit "pushing" evolution—Reynolds because it violates the timeless, actionless nature of the Absolute, and Visser because it smuggles supernatural causality into a scientific domain. Yet they arrive at this shared objection from opposite directions: one from mystical metaphysics, the other from empirical science. Both accuse Wilber of misstepping—Reynolds sees him misread by materialists, while Visser sees him overreaching into pseudoscience.

VI. The Slippery Slope of Spiritual Supplementation

Wilber's claim that science “can't explain” certain phenomena is a form of God-of-the-gaps reasoning, with Spirit replacing God. This is an old move in new clothes. Historically, every time science pushed forward—explaining the motion of the planets, the development of embryos, the origin of species—the gaps retreated, and the need for a divine hand diminished.

By tying Spirit to evolution as process, Wilber courts the same fate. He renders his spiritual vision vulnerable to scientific progress. And when that progress succeeds, Spirit becomes redundant.

Reynolds avoids this problem by removing Spirit from the causal chain altogether. But then his view becomes metaphysically elegant—and scientifically irrelevant.

VII. Conclusion: Mystery Is Not a Mechanism

If Spirit is unqualifiable, then it cannot be used to explain qualifiable things. If it is in everything, then it explains nothing in particular. And if Spirit is to be a metaphor for our deepest intuitions about the cosmos, fine—but then let it remain poetry, not pseudo-science.

Modern biology has no need of Eros to explain evolution. It may inspire us spiritually, but it adds nothing to the science—and often obscures it. The challenge is not to stuff Spirit into the gaps of our knowledge, but to respect the boundaries between metaphysics and mechanics.

Reynolds, in his traditionalism, respects that boundary. Wilber, in his neo-traditionalist ambition, leaps over it—and loses coherence in the process. Visser defends that boundary with rigor, but is accused by traditionalists of missing the spiritual depth behind Wilber's often contradictory language.

There is much room for Spirit in the human heart, in meditation, in art, in existential wonder. But not in the genome, the fossil record, or the evolution of the eye.

Let Spirit be Spirit—and let science do its job.