The Navigator’s Universe
You cannot map a territory that is still being carved. You can only move with it.
A companion essay series to Complex Adaptive Markets: How Living Systems Shape Finance
Picture yourself in a small boat, a long way from any land, with open ocean in every direction and no map.
You have to reach an island you have never seen, and you cannot simply turn back, because there is nowhere behind you either. This was the ordinary condition of the Pacific wayfinders, who found and settled ten thousand miles of scattered islands centuries before the instruments we would call navigation existed. They carried no charts. They could not have used one if they had, because the sea they crossed holds still for nothing. The swells shift. The currents move. The stars wheel through the night and change with the season. The wind that served yesterday is gone by dawn.
And still they arrived, again and again, across distances that would swallow whole nations of ocean. Not by knowing the route in advance, for there was no fixed route to know. By reading. The wayfinder read the long swell running under the hull, the colour of the water, the flight lines of birds at dusk, the particular way cloud gathers over land it cannot yet see. Each reading said where the boat was now and what to do next, and the next reading corrected the last. They did not follow a map. They held a conversation with the sea.
The knowledge was astonishing, and none of it was written down. They carried a compass of stars in memory, the rising and setting points of dozens of them fixed around the horizon like numbers on a dial. They learned to feel, through the hull, the way a distant island bends the swell around itself, so that a change in the rhythm of the water meant land still far below the horizon. They read the underside of a cloud for the faint green cast thrown up by a lagoon it was drifting over. It lived in the body, rehearsed on every crossing, and it was never quite the same twice, because the sea was never quite the same twice.
This essay is about that skill, because it is the only one that works in a world that will not hold still. We have spent four essays taking the world apart and finding process wherever we expected things. Now we have to live in it. And living inside a process asks something different of us than living among objects. It asks us to give up the map and learn to navigate.
The Impossibility of the Map
A map is a wonderful thing, and it rests on an assumption we seldom notice: that the territory holds still. A coastline drawn today is useful next year because the coast has not moved. Map and land stay in agreement long enough for the map to be worth carrying.
The last essay showed that a complex adaptive system has no fixed edges, that its boundaries are something it is doing and never stops doing. Put a map to a thing like that and the map is wrong before the ink is dry. Not because the mapmaker was careless, but because there was never a stable territory to draw. The market you charted this morning has already carved itself a new coastline. The economy you modelled last year is not the economy you are trading now, and no amount of care in the modelling could have fixed that, because the thing modelled will not stay still to be modelled.
This is why a backtest that looked flawless can die in the first week of live trading. It was a perfect map of a coastline that has since moved. The past it fit so precisely is the one stretch of territory guaranteed never to recur, because the market that produced it has already learned, adapted, and become something the backtest never saw. The better the fit to what has been, the more confidently it can mislead you about what is about to come.
This is the deep reason prediction fails in living systems, and it fails in a way no cleverness repairs. It is not that our forecasts are not yet good enough. It is that forecasting, in the strong sense, asks the world to be something it is not: a fixed territory, laid out in advance, waiting to be read off. The territory is not laid out in advance. It is being carved as you move across it, and partly by your moving.
Prediction and Navigation
There are two ways to face the future, and almost everything follows from which one you take.
Prediction stands outside the system and calculates. It says: given the present state and the laws, here is the state that must follow. Give me the position of every planet and I will give you the eclipse. Prediction is the glory of classical physics, and where it works it is close to miraculous. It works when the system is simple enough, and stable enough, and separate enough from you, that its future can be computed without living through it.
The trouble is that almost nothing we care about is simple, stable, and separate. The eclipse is the rare exception we built a science around and then mistook for the rule. Weather, markets, bodies, crowds, minds, the systems we actually live among, meet none of the three conditions. They are intricate, they change as they run, and we are tangled up inside them. For those, the miracle of prediction was never on offer, and pretending otherwise is the source of a great deal of expensive disappointment.
Navigation does none of that. It does not stand outside, because there is no outside to stand in. It does not compute the endpoint, because the endpoint cannot be computed. It reads the present state, takes the next action, reads again, and corrects. It never knows the whole path ahead. It knows only the swell under the hull right now, and what that asks of the hand on the tiller right now, and it trusts that a long chain of good corrections will arrive somewhere a single grand forecast never could.
The wayfinder does not predict the island. The wayfinder navigates to it. And the difference is not one of degree, a weaker forecasting for when the strong kind is unavailable. It is a different relationship with time. Prediction wants the future in advance. Navigation meets it as it comes.
Why the Future Cannot Be Read in Advance
It would be easy to misread all this as a claim that the future is open, that anything might happen, that the world is undecided until we get there. That is not the claim, and the difference matters, because this series has been moving toward a universe that is determined, not one that is free.
The future is not open. It is fixed by the process producing it, as surely as the next state of the wayfinder’s sea is fixed by the physics of water and wind. What the future is not, is available in advance. And the reason is one of the deepest findings in the study of process. Stephen Wolfram named it computational irreducibility. For some simple systems you can find a shortcut, a formula that jumps you straight to the answer without living through the steps. For a great many systems, and every interesting one, there is no shortcut at all. The only way to find out what the process does is to run it. The unfolding of the process is the fastest possible account of that process. Nothing shorter exists.
Weather is the everyday case. The atmosphere obeys fixed physical law, every gust of it determined by the state that came before, and yet no forecast reaches much past a week, and no faster computer will ever rescue it. The trouble is not a lack of power. It is that the only model accurate enough to predict the weather in detail would have to be as intricate as the weather, running as fast, which is to say it would have to be a second atmosphere. There is no shortcut around the sky. The weather is its own quickest forecast.
Hold both halves of that together, because together they are the whole point. The future is determined. The future is unpredictable. There is no contradiction between them. The outcome is fixed by the process, and the only thing in the universe that can tell you the outcome is the process itself, running at its own speed, arriving exactly when it arrives. You cannot outrun it with a model, because the model would have to do all the same work, which is to say it would have to be the thing itself.
Two centuries ago Pierre-Simon Laplace imagined an intellect that knew the position and motion of every particle in the world. To such a mind, he wrote, nothing would be uncertain, and the whole future would lie before it like the past. Laplace was right about the determinism and wrong about what followed from it. Even his demon, knowing the present perfectly, would still have to compute the future, and if the computation cannot be shortened, perfect knowledge buys no foresight at all. The demon would reach tomorrow no sooner than tomorrow reaches us. To know a determined world completely is still not to see ahead in it.
So the future is not hidden behind a veil we might one day lift, and it is not open in the sense of undecided. It is unsettled where you stand, not yet carved into the present, determined but not yet arrived. And a process you cannot outrun is a process you cannot predict. What you can do, the only thing you can do, is navigate it.
No View From Outside
There is a second reason prediction fails, quieter than the first and just as final. To predict a system you have to stand outside it. The astronomer forecasting the eclipse is not a planet. Nothing they do disturbs the orbits. They watch from a balcony the heavens cannot feel.
You have no such balcony in the systems that matter most to you. You are in the market you are trying to read. You are in the economy, the society, the life. Every reading you take, you take from inside, and every action you take on that reading changes the thing you just read. Buy on your forecast and you move the price the forecast was about. There is no clean line between observer and observed, because you are one of the moving parts. The wayfinder is not studying the sea from a shore. The wayfinder is in the water, and the boat’s own wake is part of what there is to read.
The larger you are, the truer this becomes. A big fund cannot act on a view without its own buying becoming part of what the next trader sees and answers. Its forecast leaks into the market as a force, and the market it predicted is no longer the market it is trading. The measurement disturbs the measured, not as some quantum subtlety but as the plain mechanics of taking part. To act on a reading is to change the thing you read, which is why the reading must always be taken again.
This is why the fantasy of the perfect model is not merely hard but incoherent. A perfect model of a market would have to include the traders acting on the model, and you acting on this model, and the model’s own effect on the thing it models, folding back on itself without end. The observer inside the system cannot rise above it to draw the map. There was never a balcony. There is only the water, and the hand on the tiller, and the next reading.
The Discipline of Navigation
If this sounds like a counsel of helplessness, it is the opposite. The wayfinders were not helpless. They were among the most capable navigators our species has produced, and they were capable precisely because they had let go of the one thing that would have sunk them: the demand to know the whole route before setting out.
Navigation is a discipline, and it has a shape. It reads the present state honestly, without flinching from what the water is actually doing. It acts on that reading without waiting for a certainty that will never come. It holds its heading lightly, ready to be corrected by the next thing the sea says. And it survives not by being right about the destination in advance but by being responsive, again and again, to what is in front of it.
The ones who drown are rarely those who admit they cannot see the island. They are the ones who decided in advance where it must be and steered for their conviction while the sea told them otherwise. A forecast held too firmly becomes a blindfold. The navigator’s humility, the readiness to read again when the reading has changed, is not weakness or indecision. It is the one thing that keeps the boat pointed at the world as it is, rather than the world as the model insisted it would be.
This is exactly what a trend follower does, stripped of the jargon. A trend follower makes no forecast. They do not know where the market is going and do not pretend to. They read what the market is doing now, the verdict already delivered in its price, and they set themselves to move with it. When the market changes its mind, they change their position, taking the small loss a correction costs and staying in the water. Their edge is not prediction. It is the willingness to be corrected faster than the crowd around them, to adapt to what the market is doing rather than demand that the market do what the model said.
And here is the part that takes years to learn. You do not bend the process to yourself. You bend yourself to the process. The sailor does not command the swell but sets the hull to it. The trader does not force a view onto the market but shapes to what the market will allow and takes what it leaves. The mapmaker’s dream was to master the territory from above. The navigator’s discipline is to belong to it well.
Agency in a Determined World
A question has been waiting under all of this, and it is time to face it. If the future is determined, and you cannot predict it, and you cannot rise above the system to steer it, what is left of your agency? Why act at all, if the outcome is already fixed?
The wayfinder answers by living the question. The sea is not moved by the sailor’s wishes. The physics will do what the physics does. And still the reading and the correcting are the whole difference between landfall and drowning. The determinism of the sea does not cancel the navigation. It is the very thing the navigation works with. You are not free of the process. You are a part of it, and a part that reads and responds is a part that helps decide where the whole comes out, not by standing outside and pushing, but by being one of the things the process is made of.
This is agency of a subtractive kind, and it is the only kind there is. You do not add your will to the world from outside and bend it to a plan. You take your place inside a process already under way, and by holding your own coherence, by reading well and correcting well, you make yourself part of what survives. The world was going to carve something out of the possible in any case. Navigation is how you come to be among what remains, rather than among what was cut away.
This is a quieter freedom than the one we are usually sold, and a sturdier one. It does not depend on the world bending to your wish, which it will not do. It depends only on your willingness to keep reading and keep adjusting, which no determinism can take from you, because the reading and the adjusting are themselves among the things the world determines. You were always going to be one of the forces in the water. Navigation is the choice to be a force that sees.
Complex Adaptive Markets works this out on the ground, in a chapter on coherence and agency inside a determined world. The book promises no mastery, because there is none to promise. It offers something more durable: a way of taking part in a market you can neither predict nor escape, so that you are deformed by it as little as possible and take from it as much as it will give. That is not a smaller ambition than prediction. It is the only ambition that survives contact with a living market.
What Comes Next
We have come a long way from the coin in the palm.
Reality is carved, not built. Language hides it by handing us nouns for a world of verbs. Drill into any noun and it gives way to process. A process has no fixed size and no edge to measure. And the only way to live inside such a process, which cannot be mapped, cannot be predicted, and cannot be escaped, is to navigate it: to read its state, move with it, and adapt faster than it can leave you behind.
One essay remains. It steps back from the argument to ask the question underneath the whole series. Not what the universe is, but why any of this should matter to a person trying to get through a life, or a trader trying to get through a week. Why we wrote it. What it is for.
For now, it is enough to be back in the boat, a long way from land, with no map and no wish for one. The sea will not hold still. It was never going to. Read the swell. Set the hull. Make the next correction, and the one after that.
The island is out there. You will not see it until you arrive.
The Universe is a Verb is a companion essay series to Complex Adaptive Markets: How Living Systems Shape Finance by Richard Brennan. The ideas explored in these essays are developed in full depth in the book, where the framework moves from cosmic principle to practical application.
Richard Brennan writes on systematic trading, complex adaptive markets, and the philosophical foundations of trend following at atstradingsolutions.com. His books include The Fractals of Finance and Complex Adaptive Markets. The forthcoming Carved by Impossibility completes the trilogy.
Want the theoretical foundation for why trend following works?
The Fractals of Finance: Determinism, Adaptation and the Geometry of Markets
The book explores the full architecture of feedback, fat tails, and fractal structure in financial markets, and what it means for how we trade, invest, and understand risk.
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Want a practical field manual for trading trends and capturing outliers?
The Aussie Turtles Trend Following Guide: A Field Manual for Hunting Outliers adapts the timeless principles of the original Turtle traders into a systematic, rules-based approach for modern markets. Co-authored with Adam Havryliv.
Available now on Amazon in paperback, hardcover, and Kindle.