Nonduality in Christianity: The Mystical Tradition You Were Never Told About

If you grew up in any mainstream Christian church, you were probably taught something like this: God is up there, you’re down here, and the whole point of religion is to get back into God’s good graces. A separate creator. A separate creation. You on one side of an infinite gap, God on the other.

But there’s a thread running through Christianity that says the exact opposite. It’s been there since the beginning. It was taught by some of the most respected theologians in Christian history. And unless you went looking for it, nobody told you about it.

That thread is nonduality in Christianity. The recognition that God and creation are not two separate things. That the deepest Christian teaching points to the same reality that Advaita Vedanta and Zen Buddhism have been pointing to for centuries.

This isn’t some New Age repackaging. This is Christianity’s own mystical tradition, spoken in its own language, by its own saints and teachers.

What Is Nonduality in Christianity?

Let’s get specific. Nonduality means “not two.” It doesn’t mean “everything is one” in some fuzzy, feel-good way. It means that the apparent separation between subject and object, between self and God, between the human and the divine, doesn’t hold up under direct investigation.

In Christian terms, the logic is actually pretty straightforward. If God is infinite, and God is the creator of all things, then what exactly did God create the world out of? There’s no second substance lying around outside of infinity. If God is truly all, then all things exist within and as expressions of God’s being. There is no other material available.

This isn’t pantheism, which says “everything is God” in a flat, undifferentiated way. The Christian nondual perspective is closer to panentheism: everything exists in God, and God pervades everything, while also not being reducible to any single thing. The ocean is in every wave, but the ocean is more than any particular wave.

Meister Eckhart, a 13th-century Dominican friar and one of the sharpest minds in Christian history, put it this way: “The eye through which I see God is the same eye through which God sees me; my eye and God’s eye are one eye, one seeing, one knowing, one love.” That’s a nondual statement. There’s no way around it.

The Mystics Who Said It Plainly

Eckhart wasn’t alone. Christian nonduality has a lineage, and it’s a strong one.

The anonymous author of The Cloud of Unknowing, a 14th-century English text, instructed practitioners to let go of all concepts about God. Not to think about God, not to imagine God, not to theologize about God, but to reach toward God with “a naked intent of the will” while placing all thoughts under a “cloud of forgetting.” What’s left when you stop thinking about God? Direct encounter. No mediating concepts. That’s nondual practice wearing a Christian hat.

John of the Cross wrote about the “dark night of the soul,” a phrase that’s been watered down into meaning “a bad time.” What he actually described was the stripping away of every concept, every consolation, every mental image of God, until nothing remained but God as God actually is. He called this darkness. Not because God is dark, but because God’s reality is so far beyond what the mind can grasp that it appears as darkness to our conceptual faculties. The source is too bright. It blinds the thinking mind the way staring at the sun blinds the eyes.

Thomas Merton, the 20th-century Trappist monk, spent years in dialogue with Buddhist and Hindu teachers and saw clearly that contemplative Christianity was pointing at the same reality. He wrote that the deepest prayer “is a kind of praise rising up out of the center of Nothingness and Silence.” Merton wasn’t interested in theological abstractions. He wanted direct contact. And he found that Christianity’s own contemplative tradition delivered it.

More recently, Cynthia Bourgeault has done significant work articulating what she calls “the wisdom tradition” within Christianity. Her argument is straightforward: Jesus was a wisdom teacher, and his core teaching was about the transformation of consciousness, not simply moral behavior or belief in correct doctrines. When Jesus said “the Kingdom of God is within you,” he wasn’t being poetic. He was pointing to something you can actually find.

God Is All: The Nondual Logic at Christianity’s Core

Here’s where it gets interesting for people who’ve encountered nonduality through Eastern traditions. The central Christian claim, properly understood, is a nondual claim.

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“In Him we live and move and have our being” (Acts 17:28). That’s not metaphor. If you take it seriously, it means exactly what it says. Your being is in God’s being. Not separate from it. Not a copy of it. In it.

“I and the Father are one” (John 10:30). The standard theological move is to say this only applies to Jesus because of his unique divine nature. But the mystics asked a different question: what if Jesus was demonstrating what’s true of all consciousness? What if he was showing us our own nature, not just his?

In my experience, when you actually sit down and follow the contemplative instructions these teachers left behind, you find something surprising. You don’t find God as an object, the way you’d find a chair in a room. You find God as the finding itself. As the awareness in which everything appears. You discover that what you’ve been calling “me” and what you’ve been calling “God” share the same root. Not conceptually, but experientially.

This is what faith actually means in its deepest register. Not believing propositions about God. Stepping into unknowing. Letting the mind go completely empty of all its concepts and categories, and discovering what remains. The Christian contemplatives called this darkness because the mind has nothing to grab onto. But it’s a luminous darkness. A knowing that doesn’t need thoughts to operate.

Why Mainstream Christianity Buried This

So if this tradition is so central, why haven’t most Christians heard of it?

The short answer: institutional power. Nondual experience is inherently democratizing. If every person can encounter God directly, without mediation, then you don’t need a priest to stand between you and the divine. You don’t need someone to interpret scripture for you. You don’t need institutional authority to validate your experience.

That’s threatening to any organization whose power depends on being the gatekeeper.

Eckhart was tried for heresy. Many of his propositions were condemned after his death. The Beguines and Beghards, lay contemplative communities in medieval Europe, were suppressed. The Theologia Germanica, an anonymous mystical text that Martin Luther himself admired, was largely forgotten. Quietism, a contemplative movement in 17th-century France, was condemned. The pattern is consistent: whenever contemplative Christianity got too popular, institutional Christianity pushed back.

There were also genuine theological concerns. If God is all, does evil exist? If there’s no separation, what about sin? These aren’t trivial questions. But the mystics addressed them. Eckhart distinguished between God (Gott) and the Godhead (Gottheit), the latter being beyond all categories including good and evil. John of the Cross was clear that the dark night purifies, it doesn’t bypass. The nondual realization doesn’t erase the relative world of ethics and relationships. It grounds it in something deeper.

The other factor is simpler: this stuff is hard to talk about. Nondual experience doesn’t translate easily into sermons or catechism classes. It requires practice, not just belief. And practice-based spirituality has always been a minority pursuit within Christianity, just as it has within every tradition.

Contemplative Prayer as Nondual Practice

If you’re a Christian and this resonates, you don’t need to abandon your tradition. You need to go deeper into it.

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Centering Prayer, as taught by Thomas Keating, is one accessible entry point. The method is simple. You sit quietly, choose a sacred word as a symbol of your intention to consent to God’s presence, and when you notice you’ve been caught in thinking, you gently return to the sacred word. Over time, the thinking thins out. What remains is a quiet, open awareness. Keating called this “the prayer of consent.” You’re not doing anything to God or for God. You’re consenting to what’s already the case.

Lectio Divina, the slow meditative reading of scripture, can also become a nondual practice when done contemplatively. The final stage, contemplatio, involves letting go of the text entirely and resting in the presence that the reading opened up. No more words. No more ideas. Just being.

The Jesus Prayer from the Eastern Orthodox tradition (“Lord Jesus Christ, Son of God, have mercy on me”) works similarly when practiced deeply. The repetition gradually quiets the mind until the prayer “prays itself,” as the Orthodox teachers say. At that point, the one praying and the prayer are no longer separate.

What I’ve found is that the specific form matters less than the direction. All of these practices point the same way: toward a loosening of the separate self’s grip. When you trust enough to let go of your mental positions, your self-image, your ideas about God, something else comes forward. A presence that was always there but was obscured by all that mental noise. The Christian tradition calls this “falling into God.” And that’s exactly what it feels like. You stop holding yourself up, and you discover you were always being held.

Bridging East and West

One of the more useful things about recognizing nonduality in Christianity is that it dissolves the artificial wall between Eastern and Western spirituality.

When a Zen teacher says “show me your original face before your parents were born,” they’re asking the same question Eckhart asked when he prayed for God to rid him of God, to get past all concepts to the reality itself. When Ramana Maharshi asked “Who am I?”, he was conducting the same investigation that the author of The Cloud of Unknowing prescribed: go past all thoughts and images to what lies beneath.

The vocabulary is different. The cultural packaging is different. But the territory is the same. And recognizing that can be a relief for Christians who’ve felt drawn to meditation or Eastern philosophy but worried it conflicted with their faith. It doesn’t. It confirms it.

The real division in spiritual life has never been between East and West. It’s between those who are satisfied with beliefs about reality and those who want to taste reality directly. Every tradition has both camps. Christianity is no exception.

Where to Start

If you’re reading this as a Christian curious about your own tradition’s contemplative depths, here’s what I’d suggest.

Read The Cloud of Unknowing. It’s short, practical, and surprisingly modern in its approach. Read Meister Eckhart’s sermons, particularly “The Nobleman” and his talks on detachment. Read Thomas Merton’s New Seeds of Contemplation. For a contemporary guide, Cynthia Bourgeault’s The Heart of Centering Prayer is excellent.

Then practice. Ideas about nonduality are interesting but useless without direct investigation. Sit down. Get quiet. Let your concepts about God dissolve. See what remains.

You might be surprised to find that what you’ve been looking for has been looking out of your eyes this whole time.

If you want to explore these ideas further, I’ve written several free eBooks on nonduality and awareness — grab them here.