Eastern
Eastern

Nan's Five-Step Observation Protocol

Eastern Spirituality

Nan's Five-Step Observation Protocol

Sit down tonight and try to catch a thought as it arrives. Not to stop it.
developing·concept·1 source··Aug 22, 2026

Nan's Five-Step Observation Protocol

Five Numbered Steps, and the Fifth One Takes It Away

Sit down tonight and try to catch a thought as it arrives. Not to stop it. Not to trace where it came from — just to be there at the moment it turns up. You won't manage it. And the particular way you fail is the point of the exercise. It's the practice's first real result, and there's a five-step protocol built to produce that failure on purpose.

Each step is something you do, and each one is a prerequisite for the next.1 The first is a sorting exercise you could start this evening. The middle is a failure you have to live through rather than be told about. The last is a condition you hold all day, in ordinary activity. That makes this a curriculum rather than a pointing instruction, and it behaves like one — right down to how it ends.

Here's how it ends:

"you should not take this condition to be the clarification of mind and perception of essential nature to which Zen refers! And you should not take this to be the enlightenment to which Zen refers!"2

A five-step training sequence whose final move is a denial that finishing it gets you there. That's worth registering before any of the content. It's either a design fault or a deliberate mechanism, and step five's stated reason tells you which. A curriculum teaches its subject matter and one thing more: that stages complete. Someone who has learned to finish a stage and move up will read the last stage as an arrival. The refusal closes the one exit a serious practitioner would otherwise take. [POPULAR SOURCE]

Step One: Sort Your Thoughts Into Two Bins

Step one isn't "watch your breath." It's a taxonomy, and you run it on your own contents while they're happening:

"First we have to quietly and calmly observe and examine our own inner consciousness and thoughts, and then make a simple analysis in two parts."4

Bin one is sensory. Pain, pleasure, fullness and warmth, hunger, cold — and everything derived from them, "such as association and imagination."5 Notice what defines the bin. It's origin, not content. Your irritation about cold feet goes here even though irritation is an emotion, because the feet started it.

Bin two is cognitive. Vague emotions, anxieties, anguish, discriminating thoughts about other people and about yourself. Then comes the clause that makes this more than housekeeping. Bin two also holds "intellectual and scholastic thinking, as well as the very capacity one has to observe one's own psychological functions."6

That last item is the step's real content, and everything downstream depends on it. The capacity doing the sorting has just been dropped into one of the bins it's sorting. Whatever is watching here is cognitive awareness. Which makes it a thought. Which puts it on the wrong side of the line this protocol will eventually draw.

And that happens at step one, not at step five. So you spend the entire middle of the curriculum working with an instrument you've already been told is part of the problem.

Step Two: Past, Present, Future — and the Trap in Noticing

Step two opens up once you can catch each thought as it occurs, "without any further absentmindedness, awareness, or vagueness."7 Now you sort by time instead of by kind. Past mind is the thought that just went. Present mind is the one that just arrived. Future mind hasn't come, "so you do not concern yourself with it."8 So far, bookkeeping.

Then this:

"But you must not forget that when you take note that the latter thought has not yet come, this itself is the present immediate thought; and the moment you realize it is present, it has at once already become past."9

Try it and you'll see it. Noticing that nothing's arriving is itself an event. The noticing takes up the present. By the time you register that it's present, the registering is over and it's already gone. There's no move available that catches the present, because catching is a move that happens and is then finished.

This isn't a speed problem. Going faster wouldn't help. Paying closer attention wouldn't help either. What blocks the capture is the shape of capture.

Here's where the three-minds formula stops being a paradox to admire and becomes something you can check. Past mind ungraspable, present mind ungraspable, future mind ungraspable — not because mind is mysterious, and not because the doctrine says so. Because grasping takes time, and nothing holds still long enough to be closed on. Step two exists to make you attempt the impossible thing under instruction. That's why it's a step and not a proposition.

Steps Three and Four: The Gap, and the Laugh

Step three shows up after long practice at step two. You watch past, present and future mind with lucid clarity until "the state of mind in the instant of the immediate present then should subtly and gradually present an open blankness."10 The gap.

It gets fenced immediately, because this is exactly where people mistake the wrong thing for the right one:

"But this open blankness is not stupor, lightheadedness, or like the state before death. It is an open awareness that is lucid and clear, numinous and luminous. This is what the Zen masters of the Sung and Ming dynasties used to call the time of radiant awareness."11

Three exclusions in one sentence. Stupor, lightheadedness, the pre-death state. That's a far more careful description than "blankness," and three separate names tell you how common the mistake was. The property that sorts them is lucidity, not emptiness. All four states are empty of content. Only one of them is clear.

What arriving there does to your material is the payoff, and the images are specific about the kind of insubstantiality meant. Your consciousness and thinking are "all like reflections on flowing water, like geese going through the endless sky, like the breeze coming over the surface of water: no tracks or traces can be found."12 The conclusion then arrives by experience rather than assertion. Everything you think and do is "nothing more than floating dust or reflections of light; there is fundamentally no way to grasp it."13

Step four is the only step with a stated emotional signature, and it isn't the one you'd predict:

"Next after that, if you really understand the ungraspability of the past, present, and future mind and thought, when you look into yourself it will turn into a laugh."14

Why a laugh? Because "you will recognize that everything and every activity in this mind is all the ordinary person disturbing himself."15 The signature does real work here. It's a check. If the recognition lands as bleakness instead, what happened at step three was blankness, not clarity.

The step then widens from thought to action, and that widening is what makes it a separate step. You examine "the pressure produced by biological sensation and physical action and movement stimulated by thought, seeing it all as like bubbles, flecks of foam, or flowers in the sky."16 Then comes the image that carries the weight:

"what we call our activity is just like an electric current, like a wheel of fire, like flowing water: it only constitutes a single linear continuity by virtue of the connecting of countless successive thoughts. Ultimately there is no real thing at all therein."17

The wheel of fire earns its place because it names a mechanism. Spin an ember on a string and you see a solid circle. That circle is entirely an artefact of succession and rate. Nothing round exists at any point in the process.

Apply it to activity and the claim gets specific. Your life isn't illusory in some general sense. Its apparent continuity is a rate effect. And slowing the rate of observation — which is what steps one and two have been training — is what takes it apart. The step ends at the classic formulation, arrived at rather than quoted: "mountains are not mountains, rivers are not rivers, the body is not the body, the mind is not the mind,"18 and at the stance that follows, "enlivening the mind without dwelling on anything."19

Step Five: And This Is Not It

Step five is maintenance first:

"you should preserve this radiant, numinous awareness all the time, whether in the midst of stillness or in the midst of activity, maintaining it like a clear sky extending thousands of miles, not keeping any obscuring phenomena in your mind."20

Whether in stillness or in activity is the operative clause. By step five this has left the cushion. That's where the four earlier steps were heading all along. They were building a capacity, and the capacity is only worth having if it survives ordinary conditions.

The promise attached isn't small either. You "will finally be able to understand the truth of human life, and find a state of peace that is a true refuge."21 Understanding, and a refuge.

Then the door shuts. Not enlightenment. Not perception of essential nature. And the reason given is the best sentence in the protocol: "at this time there exists the function of radiant awareness, and you still don't know its comings and goings, and where it arises."22

Sit with that for a second. The radiant awareness is a function. A function has a source. You haven't seen the source. So what you're holding is a clear, unbroken, genuinely life-changing awareness that is nonetheless something that arises. Whatever it arises from hasn't been found. It hasn't even been looked for. And it isn't what any of the five steps was training you to see.

Han-shan closes it: "It is easy to set foot in a forest of thorns; it is hard to turn around at the window screen shining in the moonlight."23 The thorns are the obvious difficulty and nobody needs warning about those. The lit screen is the beautiful thing you're looking at right now. The instruction is to turn away from it. That's the harder motion precisely because nothing is wrong. Someone in real distress will move. Someone in a true refuge has every reason to stay — and step five exists to tell them that staying is the mistake.

Analytical Case Study: The Guest and the Host

The governing image sits on the page just before the protocol:

"Mind doesn't exist as an entity — the first thing. Only thoughts exist. Watch deeply, then you will become the host and thoughts will be the guests. And as guests they are beautiful, but if you forget completely that you are the host and they become the hosts, then you are in a mess. You are the master of the house, the house belongs to you, and guests have become the masters."25

Alongside it sits the sky version, carrying a distinction the protocol depends on: "To have a glimpse of the sky is satori, and to become the sky is samādhi."26

Map it onto the sequence and it fits almost too well. Step one identifies the guests — and catches the doorman on the guest list, which the image doesn't anticipate. Step two shows the guests can't be held. Step three is the moment between arrivals when you finally see the hall. Step four is realising the crowd was never a crowd, only a fast queue. Step five is holding the hall open all day, in stillness and in activity.

The mismatch is where this earns its place, and it isn't small. The guest/host image implies a stable host. Present all along, unaffected, waiting to be noticed. That's its comfort, and the whole source of its consoling power.

Step five denies you exactly that comfort. A radiant awareness whose comings and goings you can't account for isn't obviously a host at all. On the evidence available at that stage, it might be the best-behaved guest in the building. One framework says you are the sky. The other says you still don't know where this arises. They're printed a page apart, they describe the same experience, and the second one is more careful.

What transfers out is a test you can run on any framework offering a stable witness, and it costs nothing. Ask whether the witness has ever been observed arriving. If there was a moment when it wasn't there and then was, it's a guest — whatever the framework calls it. Step five is that question asked of the practitioner's own best achievement.

Implementation Workflow

You've been sitting a while and decide to run this properly, from step one.

1. Spend the first weeks doing nothing but sorting. A thought arrives: which bin? Cold feet and the irritation about cold feet both go in bin one, because the feet started it. The replay of this morning's conversation is bin two. Don't evaluate it. Don't improve on it. Don't try to have fewer of them — just sort.

2. Expect to notice within a week that the sorting is itself constant mental activity. That's the step working, not the step failing. The observing capacity was put in bin two for this exact reason.28 Until you've caught the sorter in the act you haven't finished step one, however well you can classify everything else.

3. Move to step two only when you can catch each thought as it occurs. Then go after the present one specifically.

4. Fail at it on purpose, and read the failure carefully. You'll notice that nothing's currently arriving. And that noticing will already be a past thought by the time you know it happened.29 Don't file this as a bad session. It's the result the step exists to produce, and it's worth more than any amount of successful watching.

5. Wait for step three — it arrives on its own or not at all. When a gap opens, run the three-part exclusion before anything else: stupor, lightheadedness, the pre-death state.30 The question is whether it's lucid. A gap you have to squint at is one of the three. A gap that's genuinely clear needs no defending, and you won't be tempted to defend it.

6. Check step four by the laugh. If ungraspability lands as bleakness rather than comedy, something at step three was blankness rather than clarity. The honest move is back, not forward.31 The stated signature is amusement at how much trouble the ordinary person makes for himself.

7. At step five, hold it in activity and not only in stillness. Almost everybody stops here. Stopping isn't a failure of effort — the state is stable, the peace is real, and nothing inside is telling you to go on.

8. Then take step five's actual instruction, the one nobody wants. Ask where the awareness comes from. Not what it's like. Not how to keep it. Where it arises, and where it goes.32 You'll have no answer. That's the point at which the protocol has done its job.

A Curriculum, Not a Pointing Instruction

The shape here is unusual in the literature, and naming it changes how you read the whole thing. Most contemplative instruction points. One formulation, aimed at producing recognition in a single move — rest in awareness, who am I, just this. The instruction is complete at every moment. There's no sequence. A beginner and an adept get the same sentence.

This is a curriculum instead. Step two is unavailable until step one's skill exists. Step three's gap appears only after long practice at step two. Step four's widening depends on step three's discovery. Each step is a prerequisite for the next, and the text says so rather than leaving it to be inferred.

That makes it falsifiable in a way pointing instructions aren't. A curriculum with prerequisites predicts a specific failure, not merely slower progress. Skip step two and attempt step three, and what you produce is blankness — "stupor, lightheadedness, or like the state before death."27 You've manufactured an absence of content without ever establishing what a thought's arrival looks like. So the warning in the text isn't general caution. It's the named signature of a skipped prerequisite.

It also explains step five's otherwise perverse shape. A sequence of prerequisites teaches you, as a side effect, that completion is a real category. Finish, verify, move up. Having installed that habit, the protocol has to disable it out loud. Otherwise the most useful reflex it built delivers you to a stopping point with nothing to mark it as one. A pointing instruction never needs this final move, because it never builds the reflex.

Evidence, Tensions, Open Questions

[POPULAR SOURCE] throughout, and the chain matters. This is Bodri citing Cleary's translation of Nan, from The Story of Chinese Zen. Cite it that way, never as Nan directly.3 The guest/host material is a popular-register discourse rather than a technical source, so [LOW CONFIDENCE] on its evidential weight. It's carried here for the structural work it does, not as warrant for anything.24

Strongest evidence. Step two's self-reference result — noting the absence of the next thought is itself the present thought, and it's past in the noting.33 No framework required. Anyone can check it in a single sitting. It converts the three-minds formula from a paradox into an observation about the structure of attention. Very little else here is checkable on a first attempt by someone with no training.

The central tension. The guest/host image says you're the host, present all along. Step five says the radiant awareness is a function whose arising you haven't seen.34 Two different claims about the same experience, printed a page apart, and neither is qualified against the other. The second is more careful. The first is more quotable. That's usually how such pairs survive together.

A second tension. This is an explicitly numbered curriculum with stated prerequisites. Elsewhere in the same volume comes the instruction that there are no gradual steps, and that devising skilful means is unnecessary.35 Both are endorsed. An audience argument would reconcile them — different readers get different instruments — and it's never applied here.

Open questions. Step one puts the observing capacity in the cognitive bin. Step five's radiant awareness is in neither bin. So what performed the observation during steps two through four? The disqualified faculty, or something else that arrived without being introduced? The text doesn't say, and the answer decides whether this curriculum has one instrument or two. Separately: is the two-bin taxonomy load-bearing at all? Would any sorting scheme do, given that the step's real yield is catching the sorter rather than classifying anything accurately?

Absence note. Drawn from pp 425–428. Nothing here claims what Nan's book says outside the passage quoted.

Author Tensions & Convergences

(Read as tensions within the subject.)

The protocol is offered against a specific gap in how mind gets studied, and the proposal is concrete rather than polemical. Nobody, the claim runs, "ever thinks of studying the gap of emptiness between thoughts or of taking that mental clearing, however infinitesimal, as an important entranceway."37 That's step three's object, named from outside the tradition and stated as a research target. Which is a far more useful form for the claim than a complaint about what psychology gets wrong.

The convergence assembled around the protocol is the widest in the chapter, and its value is that the items share no vocabulary with each other. Kabbalistic witnessing of the Yesod. Tien-tai chih-kuan. Early Greek introspection, the yogic antar mouna, Gurdjieff's self-remembering, Augustine's recollection and introversion, Hīnayāna śamatha-vipaśyanā, Freud's evenly-hovering attention, and Deikman's observing self.40 Nine traditions describing one operation is the strongest support available for treating this as a faculty rather than a doctrine. And two of the nine are clinical rather than contemplative, which is the pairing the handshakes below turn on.

Set it against The Mahāyāna Secret: Cultivate Presence, Not Samādhi. That page's instruction is this protocol's step five with steps one to four removed. Same practice, different resolution — pointing versus curriculum. Both are given without any statement of which reader should get which, and that's the practical question a practitioner meeting both would actually have.

Cross-Domain Handshakes

The capacity this trains, and where the two traditions' endpoints partThe Observer Self. That page covers the capacity to take your own mental contents as objects, the part of awareness that isn't identical with what it observes. Its clinical significance is threefold. The capacity can be strengthened. Strengthening it changes a person's relationship to their own states. And it's the working ingredient in a range of therapies that otherwise share no theory at all. This protocol is a training programme for that exact capacity with the stages spelled out, and the link is explicit — Deikman's observing self appears in the nine-tradition list.41

The pairing earns its keep at step five, because that's where the two frameworks part company. The clinical frame treats a strong, stable observer self as the goal. Achieve it and the work is finished. The person is no longer fused with their states, distress has lost its grip, the outcome measures move. Step five describes precisely that achievement, refuge included,42 and then declines to call it the end. Its ground for declining: the observer's own arising is unaccounted for.

So the contemplative tradition's terminus is the clinical tradition's starting point for a question nobody in either field is asking. And it isn't a mystical question. Where does the observing come from, and what is it made of? A therapy has no reason to ask, because its outcome measure is already satisfied and asking can't improve it. But the two frames predict different things after the plateau. The clinical one predicts stability. This one predicts the refuge holds and the question doesn't go away. That's checkable over long spans, in exactly the population both frames would want and neither currently has.

The prerequisite architecture, and why a curriculum must unteach its own finishing reflexEntrainment Phase 1–4 Drill Scripts. That page is a staged training sequence with strict prerequisites. Each phase builds a capacity the next one consumes. Run a later phase without the earlier and you get a characteristic, recognisable failure rather than slower progress. This protocol has that architecture exactly, and reading it as a drill script rather than as spiritual instruction makes its design choices legible.

The prerequisite is stated outright — step three's gap "should subtly and gradually present" only after long successful practice at step two.43 And it predicts the failure the text goes on to name. Attempt the gap without the ability to catch a thought's arrival and you get blankness: "stupor, lightheadedness, or like the state before death."44 Not a weaker version of the target. A different state with a different signature. Which is what a skipped prerequisite always produces in a drill sequence.

What the drill frame contributes is the reason for step five's shape. Every phased curriculum installs, alongside its content, the expectation that finishing is a category. That's a side effect the designer has to handle on purpose. In operational training you handle it with a live-conditions phase, where the drills stop working as drills and the trainee finds out the syllabus was scaffolding. Here it's an explicit denial delivered in one sentence. So step five does two jobs and only one of them is contemplative. It teaches maintenance in activity, and it disarms the finishing reflex the previous four steps built. A pointing instruction never needs the second job, because it never creates the reflex.

The Live Edge

Sharpest implication. A staged practice teaches two things at once. The content of its stages, and the belief that stages complete. The second is in nobody's syllabus, and it's the more durable lesson, because you learn it by doing rather than by being told. Step five exists to revoke it. So this protocol's final act is to dismantle the frame that made the protocol legible in the first place. And there's no way to get that lesson without first believing the frame — which is why the sequence can't be shortened by warning a beginner about the ending.

Generative questions.

  • Step one puts the observing capacity in the cognitive bin, and step five's radiant awareness is in neither bin. What was doing the observing during steps two to four? If the instrument changed somewhere along the way, which step was the changeover?
  • Step two's self-reference result is checkable by anyone in one sitting and needs no doctrine at all. So why isn't it the standard entry point to this material, instead of the trust-building descriptions that usually sit there?
  • The clinical observer self and this radiant awareness are the same achievement. One tradition calls it the goal, the other calls it the last plateau. Over twenty years, would a practitioner who stopped there be distinguishable from one who didn't?

Connected Concepts

Footnotes

domainEastern Spirituality
developing
sources1
complexity
createdAug 19, 2026
inbound links10
next in Bill Bodri
The Method of No-Method
The fastest route to samādhi gets named in one sentence, and most readers are disqualified from it in the next.