Discover the Simply Nondual Collection by bestselling author Marcel Eschauzier
Suffering persists when something needs to be—one way or another. The Simply Nondual Collection cuts through that illusion at its root. What remains is a freedom so simple and obvious the mind initially suspects it can’t be right.
- Available in audio, digital, and print · Multiple #1 Amazon Philosophy category bestsellers · US & worldwide
- Explore the collection on Amazon
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- You can also join the open online meetings at the Nondual Café. Discover more here.

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Rational nondualism is a nondual philosophy that insists on clarity and coherence without confusing them for shallowness. It points back to what has never been missing: your natural home, where nothing needs fixing.
My name is Marcel. I was born in the Netherlands and live in Belgium. After years of corporate work and life across cultures, my world turned upside down in 2016. Nonduality revealed itself as a profound experience that made perfect sense. A simple question followed: why isn’t this more widely known?
That question led me to write.
While nonduality isn’t obvious, it isn’t mystical either. Like anything else worth understanding, it can be explored through careful language, models, and reasoning—while recognizing that none of these are nonduality itself. Over time, my understanding deepened. By 2026, I was able to articulate a fully rational nondual philosophy.
Many contemporary nondual teachings are wary of thought. Philosophy can be treated as an obstacle rather than a source of clarity. My work suggests the opposite. When done carefully, philosophy prevents the hand-waving, contradictions, and vague assurances that keep nonduality confined to niche spiritual circles.
The mind is constrained by confusion, not by clarity.
Finding back your natural freedom doesn’t require adopting beliefs, practices, or a spiritual identity. It doesn’t demand philosophical training either. But if you are curious—if you want to recognize what’s already present—then the philosophical path can be remarkably direct.
That’s why I recommend starting with my latest book The Nondual Café, out October 6, 2026. It’s a comprehensive philosophical story that brings everything together in a readable form, designed to bypass the familiar dualistic reflexes. Fiction does the bypassing while the ideas themselves are presented without mysticism, jargon, or evasiveness. The book draws on what I learned through years of dialogue within the nondual community and my own breakthroughs.
The other books in the Simply Nondual Collection approach the same insight from different angles. Each is a complete journey in its own right. Below you can explore them and see if one catches your attention.
This moment, right now, is marvelously perfect. Nothing needs to be added or removed.
Only something needs to be seen clearly.

Well-being
Nonduality is all-pervasive. Trusting it has astounding benefits for your well-being—a message passed on to us by legendary Eastern sages like Lao Tzu, Bodhidharma, Shin-t’ou, and Huang-po. The philosophical guides Oneless Oneness and Awakening the Other Way explain in simple words why their timeless teachings don’t require religious beliefs but merely an inquisitive mind.

Philosophy
It’s easy to overlook nonduality, but you can experience it in simple things. The logical arguments for nonduality are equally straightforward, adding to their impact. But why use the word “nondualism” when modern Western analytical philosophy and metaphysics typically only recognize “dualism” versus “monism”? The essay How to See Consciousness solves this riddle.

Science
No more “reality duality”: reimagined science embraces subject-object unity. Some readers ask how nonduality changes the way we think about science. Here’s one answer: science cannot reveal what the world is, only how it appears—and why. This shows why nondual recognition makes reason more necessary in science, not less. The treatise Existential Rationalism develops this argument in full.
