Why Every Formula You Were Taught Will Eventually Fail You

I want to tell you something that took me an embarrassingly long time to accept.

The models work. The frameworks are real. The strategies you learned — from the books, the professors, the consultants, the case studies — they are not fiction. They are built on genuine patterns, genuine data, genuine experience. The people who created them were not lying to you.

But they were describing a world that no longer exists by the time you apply them.

This is the fundamental problem with formulas in business. Not that they are wrong. But that they are past. They are a photograph of conditions that have already moved. And the moment you mistake the photograph for the territory, you are already navigating blind.

The seduction of the fixed answer

There is a reason we love formulas. The human brain is not built for sustained ambiguity. Uncertainty is metabolically expensive — it keeps the nervous system in a state of alert, consuming energy, demanding resolution. A formula offers resolution. It says: you do not need to keep searching. The answer is here. Follow these steps.

And for a moment, the anxiety dissolves.

Business schools understood this perfectly. They built entire curricula around it. Case studies that isolated the key decisions, stripped away the noise, identified the variables that mattered, and showed — cleanly, convincingly — what the right move was. The students learned the pattern. They graduated. They went into the world.

And then the world refused to behave like a case study.

Because in a real business, the noise is not separable from the signal. The context is not cleanly defined. The variables do not cooperate with the framework you chose to apply. The competitor you did not model makes a move you did not anticipate. The customer whose behaviour seemed predictable changes their mind because of something that happened in their life that has nothing to do with your product.

The formula meets reality. And reality wins.

The variable you always forget

Every formula has a hidden assumption. Usually several. But there is one that almost never gets named, and it is the most dangerous of all.

That the person applying the formula is interchangeable.

Classic business strategy treats the decision-maker as a neutral operator — a rational agent who processes inputs and generates outputs without the messiness of psychology, relationship history, personal fear, or the particular way their mind connects ideas. The formula works the same whoever runs it.

Except it does not. Because you are not neutral. You bring your specific experience, your specific blind spots, your specific way of reading a room, your specific tolerance for risk. You bring the relationships you have built and the ones you burned. You bring the morning you had before the decision and the conversation you had last week that changed something in how you see this particular problem.

These are not contaminations of a pure process. These are variables. And they are among the most powerful variables in the entire equation.

The formula that ignores the human holding it is not a complete formula. It is a sketch.

What replaces it

I am not arguing for instinct over analysis. I am not telling you to throw out your frameworks and operate on gut feeling. That is a different kind of recklessness.

What I am arguing for is this: develop the ability to read variables rather than apply formulas.

The difference is profound.

Applying a formula means mapping your situation onto an existing model and following its logic. Reading variables means looking at your specific situation — its specific actors, its specific moment, its specific pressures — and building an understanding of what is actually happening here, now, with these particular inputs.

It is slower at first. It is more uncomfortable. It requires sitting with uncertainty longer than a formula does. But it produces something that no formula can: a genuine understanding of your equation, in your context, with your variables.

And that understanding, once built, does not become obsolete. Because it is not borrowed from someone else’s past. It is built from your own present.

The question that changes everything

I ask my students this, and I ask it here:

When the last strategy you applied did not produce the result you expected — what did you do with that information?

Most people, if they are honest, move quickly past it. Attribute the failure to bad luck, bad timing, or insufficient execution. Redouble the effort. Try the same approach harder.

A few people stop. They look at what actually happened — not what should have happened according to the model, but what did happen according to reality. They ask which variables moved in ways they did not anticipate. They revise their understanding. They enter the next decision with a richer, more accurate map.

Those are the people who eventually stop being surprised by the gap between the formula and the result.

Not because they found a better formula. Because they stopped needing one.


This is Post 2 in a series on the ideas behind 2+2 Is Never 4: There Is Always a Way. Post 3 is coming — on why failure is not the opposite of success. It is its most honest teacher.

Ricardo Jovani is a professor at Geneva Business School Madrid, founder of Jolufoods S.L., author of The TriCore Method, and TEDx speaker.

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