Quality and You..
More With Less
Why the drive for quality is older than engineering — and why knowing when “good enough” isn’t is the most human thing we do.
An essay on conserved energy, living systems, and the foresight to be better before the world demands it.
By Joseph P. McFadden Senior
Author’s note.
I was asked to give a talk inside Zebra about product quality and materials. What follows grew out of that assignment, and then quietly outgrew it. It came together the way good thinking usually does for me — after a solid night’s sleep and a long morning walk with my dog, Hero, fed by whatever I’d been reading lately, and sharpened by arguing the ideas out with a few AI partners patient enough to push back. I’m sharing it with anyone who’s curious. Hold onto that last detail; it comes back at the end, and not in the way you’d expect.
OK, let’s ask: What is quality?
Let me start where I started — not with my answer, but with the question. What is quality?
Go looking and you’ll find good, serious answers, worn smooth by decades of use. Quality is fitness for use. Quality is conformance to requirements. Quality is meeting — or exceeding — the customer’s expectations. The standards bodies put it more carefully still: the degree to which a thing’s characteristics fulfill its requirements.
I read all of that. I thought it’s missing the why. And I wasn’t satisfied — because every one of those is true, and not one of them tells you why. Conformance to requirements: but who wrote the requirements, and were they right? Fitness for use: fit for which use, where, and for how long? Meeting or exceeding expectations: why exceeding — when did exceeding or more, quietly become automatically better?
Every one of those describes the plan. None of them tells you what the plan becomes once it meets the real world — or why we reach for quality so hard in the first place. I had a definition I could recite, and a question I couldn’t answer: not what is quality, but why.
So I went looking somewhere the handbooks don’t.
I tapped into what I have been reading for the past few years, that is — neuroscience, evolution, the study of living things — trying to understand something more basic than any product: us humans. How do we learn? How do we make things, and get better at it? I figured if I could find the why behind us, the why behind quality might be hiding in the same place. So I went back to first principles and started there.
And the idea that stuck was almost embarrassingly simple: the environment is not the backdrop to the story. It’s a character in it. It decides what survives, what gets chosen, and what quietly disappears — in a forest, and in everything we build.
The word for the thing that meets that environment — the thing that actually has to survive it — isn’t plastics. (If you were waiting for the materials guy to say plastics, fair enough. That’s the grampa humor; it’s mostly downhill from here.) The word is phenotype.
If that just made you stop, or roll your eyes a little — good. You’re in the right frame of mind. A year ago it would have done the same to me. So let me earn it.
The genotype is the set of instructions — in living things, the DNA; in our things, the design, the recipe, the plan. The phenotype is what those instructions actually become once they meet a real world. Same instructions, different conditions, different outcome. Genotype is what a thing was told to be. Phenotype is what it became.
And there’s what I was missing. Every textbook definition of quality describes the genotype — the requirements, the spec, the plan. But quality was never in the plan. It’s in what the plan becomes when it meets the world. Quality is a phenotype.
We are phenotypes too — you and me — crafted by our environments and our lived experiences, the thing that brings context to the DNA. It’s what makes us who we are, who we were, and who we will become. And that isn’t a flourish; it’s the whole reason this lens works: the creatures who are phenotypes are the very ones who can’t stop chasing quality.
So this is an essay about quality — but not the kind you measure on a spec sheet. Underneath it runs an older current: the same ancient pressure, written into our energy-hungry brains, to reach the goal while spending as little as we can. We’ll follow that pressure out of biology and into the things we make — the specs we write, the materials we trust, the tools we now build alongside us. Along the way I’ll argue that overkill is usually failure wearing the mask of care, that the only “better” worth paying for is foresight, that the way we answer a changing world is invention, and that the real art is knowing when “good enough” stops being good enough. The route winds through some unlikely country, but it leads somewhere — I promise.
But why are we a phenotype — and why start there?
Because to see where the drive for quality really comes from, we have to go back — past quality, past engineering — to how we got here.
Start with a fact that reframes everything once you sit with it. Your brain is about two percent of your body’s weight, and it burns roughly a fifth of your energy. Two percent of the mass, twenty percent of the fuel. In the world our ancestors lived in — where food was scarce and the next meal was never promised — carrying an organ that hungry was a staggering bet. A brain like ours had to earn its keep every single day, or the body hauling it around would lose to one that spent less.
So we were shaped, hard, by a single relentless pressure: get the result, and spend as little as possible getting it. Find the food in the fewest steps. Read the danger with the least guessing. Solve the problem without burning fuel you couldn’t spare. Everything alive today comes from a long line that couldn’t afford waste — but in us that pressure built something unusual: a mind expensive enough, and clever enough, to begin economizing on purpose.
That pressure didn’t switch off when the famines eased. It’s still in us — in the quiet satisfaction of an elegant solution, the itch of obvious waste, the pleasure of a thing that does its job with nothing to spare. (I’ve written about the deeper machinery of this elsewhere; here, the headline is enough.) We are, underneath it all, energy-economizers who happen to be able to think about it.
And that’s why we’re a phenotype worth bringing into a conversation about quality. The same drive that tuned a hungry brain to spend wisely is the drive that makes us care whether the things we build are wasteful or fit. So let’s see how it plays out — in the world, and in everything we make.
The environment gets the last word.
I’ve come to treat the things we make as living things the moment they leave our hands — not as a metaphor I’m fond of, but as the most honest way I’ve found to think about what happens next. A biologist named Denis Noble argues that in living systems there is no single boss level — no master switch that explains everything. Cause runs up and down the ladder, not just outward from the genes. (If that idea grabs you, go read his work. It’s a rabbit hole worth falling into.)
You can watch the same thing on a workbench. A material is shaped by its own history, and then becomes the starting instruction for the part made from it. The part is shaped by that, and becomes the instruction for the whole. On it goes, all the way up to the hand that finally uses the thing. Every level is both an outcome and an instruction — finished, to the layer above; raw material, to the layer below.
It’s turtles all the way down. The phrase comes from an old story: a shaman, asked why the world doesn’t simply fly off into space, said it rests on the back of a giant turtle. And what keeps that turtle from drifting away? He smiled — another turtle. And under that one? “It’s turtles all the way down.”
And that isn’t only a joke. It’s close to how the things we make are actually built: environments within environments. Look outward, and the thing sits in the one world we all share — the drop, the heat, the long years of use. Look inward, and more worlds appear: the stress crowding around a weld, the heat pooling near a chip, the chemistry at a glued seam. Each feature lives in a small world of its own, and has to be good enough for that world exactly the way the whole device has to be good enough for ours. The same question, asked all the way down.
So the honest response isn’t to panic. You don’t have to understand every layer to make something good. You go just deep enough to fix the environment that’s actually failing, and no deeper.
Which is why I say absolute quality doesn’t exist — not as a shrug, as a plain fact. A thing with no world to meet is undefined. Quality only appears when something meets the actual world it was made for. Ask “is this good?” and the only honest answer is “good for what, and for where, and for how long?”
And there’s the catch in “good enough”: it’s only ever good enough for the environment you actually understand. The worlds you never imagined don’t excuse themselves — they cast their vote in silence, and you meet them later, in the field, the hard way. This is the thing I’ve spent a career calling mind blindness: not failing to build for the world you know, but never picturing the world you don’t. The guard against it isn’t more margin — it’s imagination, and imagination runs on a full palette. The wider and stranger your model of the world, the more of those unseen environments you can summon and stress-test in your head, before one of them stress-tests you.
Overkill dies quietly.
The failure I worry about most isn’t the dramatic one — the thing that snaps in front of everybody. That kind gets attention. It leaves evidence. It forces a conversation. The quieter failure is the cost nobody ever names as failure, because it arrived dressed as care.
Building more than the world will ever ask for is a burden. In a living thing you’d call it metabolic — energy a body spends and never gets back. A creature carrying more than its world rewards loses, slowly, to the one that travels lighter. Not on the dramatic day. On every ordinary day.
Picture two tools doing the same job in the same place. One carries the cost of best-of-everything, “just to be safe.” The other was built to the world the evidence actually showed. In that world, they last the same. But one cost more to make, more to carry, more to keep alive. Which one is the quality one?
We rarely call the heavier one a failure. We call it diligence. We praise it in reviews, and we promote the people who added the margin. Only later — when the leaner thing wins, or the weight finally tells — do we notice that quality was never automatically the expensive version. Quality was the version the world, and the person holding it, could afford to keep.
The specification is you choosing a world.
Here’s a small thing that turns out to be a large thing. Every time you decide how much a thing needs to withstand, you’re making a quiet philosophical choice — whether you treat it as one or not.
To see why, think about one word: distribution. A distribution isn’t a single number. It’s the whole range of what actually happens to a thing out in the world, and how often each happens. Think about how you dress in the morning. You don’t dress for the hottest day on record, or the coldest. You dress for the range you’ll really meet, with a little margin for a cold snap — and you don’t carry a parka around in July for a blizzard that isn’t coming. A well-made thing lives the same way. Most of its life is ordinary. Some of the time it takes a knock. Once in a great while, something rough. Good design covers what actually happens — including the bad days that come often enough to matter — and stops there.
When you decide a thing must survive a certain fall, or a certain heat, or a certain kind of rough handling, you aren’t only writing a rule. You’re choosing a world. You’re saying: this is what I’ll pay to survive — and, by leaving it out, this is what I won’t. Over-choose, and you’ve paid for a world that never arrives. Under-choose, and the day the real one shows up, you lose.
That’s the whole art: spending exactly enough to clear the world you’re actually in, rare bad day included, without buying insurance against worlds that never come. That’s not compromise. That’s precision.
When the world won’t hold still.
Now the part I find most beautiful — and the part this whole essay was really circling.
There’s a second move life makes when the world is uncertain. It doesn’t always answer by building one rigid, over-armored form. Sometimes it stays flexible. The same instructions express themselves differently depending on the conditions they meet — a plant grown in shade puts out different leaves than the very same plant in full sun. Same seed, read differently by the world. Biologists call it plasticity, and it’s a kind of genius: instead of guessing the future and paying for it in advance, you keep the ability to become whatever the moment needs.
But notice what plasticity is. It’s reactive. The plant answers the shade it’s standing in — not the shade coming next season. It’s still the world doing the choosing.
And here is where we are strange — or where we seem to be. We are, as far as we can tell, the most able of all the living at picturing a world that doesn’t exist yet. We can see our surroundings starting to wear down. We can feel them changing under us. We can know, in advance, that we’re about to step into a world we’ve never been in. And because we can see it coming, we can choose to be better before anything forces us to.
That’s the human upgrade to plasticity. Call it foresight.
Every other living thing is handed “good enough” by death — the ones that don’t fit simply don’t continue, and the world does the choosing after the fact. We seem to be the most able at seeing the misfit coming and fixing it first. So the real discipline isn’t “be as good as possible.” It’s “be just good enough for the world you’re in — and keep the foresight to know when good enough won’t be.”
I want to be careful here, because the line I just drew is blurrier than it looks. We are not the only ones who anticipate. A slime mold — a single cell with no brain at all — can learn the rhythm of a recurring hardship and slow itself down in advance of the next one, bracing for a blow that hasn’t landed yet. And the closer we look, the more of this we find. Books like The Sentient Cell, and the work of biologists like Michael Levin, make the case that memory, decision, and a kind of looking-ahead run all the way down — that even cells and tissues pursue goals and solve problems, and that mind, in some humble form, may not be the brain’s invention but life’s. If that’s right, foresight isn’t a wall between us and everything else. It’s a dial — turned higher in us than anywhere we’ve yet found, but not ours alone, and a reminder of how connected to the rest of life we really are. I find that more humbling than diminishing. It means the thing I keep calling the most human trick is really the oldest trick alive, and we are simply, for now, its most practiced hand.
And that need shows up in exactly three ways. Sometimes the world declines: things wear, age, tire, and the margin that was fine on the first day quietly erodes — so foresight means building for the end of the life, not just the start of it. Sometimes the world changes: the weather, the rules, the way people actually use the thing all shift under you — so foresight means reading the change before it reads you. And sometimes we simply find ourselves somewhere new: a harder place, a different use, a world nobody planned for — so foresight means seeing the move before we make it.
This is also the honest answer to a fair objection. Sometimes you should build for the rare disaster. A parachute, a ventilator, a bridge — there, the once-in-a-lifetime event is the only one that matters, and paying for it isn’t overkill at all. It’s foresight, correctly naming a world where the rare thing is the whole point. Overkill is fear without foresight. This is foresight without fear.
Foresight is the only kind of “better” that isn’t waste.
Where the new comes from.
Foresight tells you a new world is coming. It doesn’t tell you what to do about it. That leap — from “the world is changing” to “here’s a lighter way through it” — is creativity, and it’s the other half of the whole story.
Doing more with less isn’t only about trimming. Trimming is subtraction. The deeper move is invention: finding the configuration nobody had yet, the material that does two jobs, the shape that carries the load with less of itself. That isn’t cutting back — it’s a better idea, and a better idea is the cheapest energy there is. Every real innovation is, underneath, someone finding a way to reach the goal while spending less to get there.
And it comes from within. Not from nowhere — from the palette. By the palette I mean the internal model of the world each of us has been filling our whole lives, one problem and one failure and one argument at a time: the colors we’ve learned to paint with. Creativity is mostly recombination — the mind reaching into that palette, trying mixtures the world hasn’t seen, running them forward in imagination, keeping the few that fit and quietly dropping the rest. It’s evolution’s own trick — variation and selection — run inside a single head, in seconds, for free, before a single gram or dollar is spent.
That’s why the drive feels like ours and is older than us at the same time. The pressure to conserve energy in order to survive didn’t only teach us to avoid waste. It taught us to make — to imagine the lighter path, and then build it. Look around at the made world: every tool, every joint, every small clever catch is a frozen record of someone finding a way to do more with less. The world we build isn’t separate from that ancient drive. It is that drive, taking shape outside us — the handiwork of a creature that learned to think its way to fit before the world could force it to.
Materials tell you what they’ve been through.
There’s a place where all of this becomes visible, and it’s humbler than you’d think: in the stuff things are made of.
A material isn’t a blank. It’s history you can hold. Everything that ever happened to it — how it was made, how it was handled, what it’s been through since — is written into how it behaves now. I’ve spent enough years looking at things that broke to trust them as witnesses. The marks a failure leaves behind aren’t only damage; they’re the thing telling you its story — the strain it met that its instructions never accounted for, recorded right there in the surface. A tiny flaw can sit quietly for years, harmless, until one rough moment turns it into a crack. The thing didn’t suddenly get worse. The world finally asked the question the flaw couldn’t answer.
The plan told us what the thing could be. The making tells us what it became. The world tells us whether what it became was good enough to continue.
Which is why the cheapest option is so often a lie. Saving a little now by quietly bringing back an old weakness isn’t a saving at all. It’s a bill that arrives later — after the warranty, after the trust — with interest.
Tools that conserve judgment — or consume it.
The same rule that governs the thing governs the tools we use to make it.
Our tools have become extraordinary. Simulations, design helpers, and now AI can explore more possibilities than any of us could by hand, and surface trouble early. They carry part of the thinking — and that’s the point of a tool. It conserves your judgment by carrying some of the load, so you can spend yours where it counts.
But a tool can become its own kind of overkill: more and finer detail about events that will never happen, more polish on a model the real world has quietly walked away from. When that happens, the tool stops conserving judgment and starts consuming it. The danger isn’t the tool. It’s forgetting what the tool was for. The discipline doesn’t change — just enough, and no more, even in the thinking. Run it until it answers the question that matters, then stop.
And there’s one part of the load you can’t safely hand off. A tool can do your calculating. It can do a great deal of your remembering. The one thing it must not do for you is your foreseeing — because that, it turns out, is the whole human trick.
Why we can’t help but seek it.
We’ve stood here once already — the hungry brain, the long pressure to get the result and spend less doing it. I’m coming back to it on purpose. This isn’t a side point in the argument; it’s the floor the whole thing rests on, and something this fundamental to what we are is worth more than a single pass.
Here’s the part I can’t shake. The pull toward quality isn’t a work ethic we bolt on top of being competent. It looks like the same pull that runs through every living thing: spend as little as you can get away with, and still clear what actually matters.
There’s an idea in neuroscience — the free-energy principle, associated with a researcher named Karl Friston — that says the brain itself runs this way: building models just good enough to keep from being surprised, without burning more than the world is worth. I’ll be honest that it’s contested, and I’m not resting the whole argument on it. (But it’s a wonderful rabbit hole, if you want one.) You don’t need the grand theory to feel the thing it points at. We are the kind of creature that can look at something and sense, in the body, that it’s carrying too much — or too little. We can watch a habit that once protected us harden into a ritual nobody questions anymore. That sense isn’t mystical. For a very long time, under real scarcity, the lines that wasted energy lost to the lines that didn’t — and we are the children of the ones that didn’t. Quality-seeking is that ancient pressure, made conscious.
It’s worth being honest that the world doesn’t always reward the better thing. Luck, habit, and noise pick winners too. Which is exactly why doing it on purpose matters. Left to itself, selection is slow, and cruel, and often wrong. We can do it deliberately — and kindly, and ahead of time.
That’s why quality feels human even when the object is a plain tool. We’re not only making a product. We’re taking conscious part in the oldest process there is — choosing, on purpose, what gets to continue. And we may be the most able at doing it looking forward, instead of only paying for it, looking back.
The only quality that matters.
So here’s where I land. There is no absolute quality. There is only the thing that emerges when a particular plan meets a particular world and turns out to be good enough to go on. The art — in making things, and in the older human work behind it — is to spend just enough to fit the world you’re in, while keeping the foresight to become better before the world you can see coming arrives. Not perfection. Fit. The honest, living fit between what we build and the world that will judge it — the refusal to pay for worlds that will never come, paired with the nerve to prepare for the one that will.
The person reaching for a familiar tool at the start of the day is doing something very old in a modern shape: choosing something whose cost matches the world it will actually meet. One of those tools will still be worth making in ten years. The other will be replaced by something leaner and just as good — and that won’t be a loss. It’ll be quality doing what quality has always done: more with less, while still reaching the goal. What we do with it. A lens is only worth carrying if it changes what you do once you’ve looked. So let me bring this home — out of biology and back to the bench, the desk, the mirror. The practice is the same in all three places: a better product, a better choice, a better you.
For the things we build, it comes down to two honest acts. First, name the world — the one that will actually show up, not the one you fear and not the one that flatters your effort — and spend just enough to clear it, rare bad day included, refusing to pay for worlds that never arrive. Then look up: build for the end of the life and not just the start, read the change before it reads you, and when a new world is coming, don’t only trim to survive it — invent the lighter way through. Bracing is fear. Inventing is foresight. Foresight is the only “better” that was ever worth the price.
For the choices — a career, a habit, a team — it’s that same discipline in different clothes. Stop over-arming against futures that won’t come. Keep the nerve to become better before you’re forced to. Spend your energy where the real world will actually test you, and let the rest go.
And for us — this is the part I can’t treat as a passing muse, because I’ve watched it happen up close. Over the last few years I’ve come to understand the why behind a quiet decline in our collective critical thinking — and it drags creativity, innovation, and quality down with it. The mechanism is simple, and a little brutal: an answer you didn’t struggle for doesn’t fill your palette. We are energy-economizers to the bone, and the tools now offer us the cheapest energy of all — someone else’s thinking, instantly. Take it without paying, and the muscle that would have grown never does.
That’s the real risk in front of us. Not that the machines get too smart, but that we quietly agree to stop wondering — that we become a generation of cut-and-paste humans: fluent, fast, and hollow, with nothing of our own underneath.
But here’s the hopeful thing, and I mean it as more than comfort: that’s a choice, not a fate. The same drive that made us — more with less, still reaching the goal — is exactly the drive we can turn on the tools themselves. Use them to carry the load, not to carry you. Let them do the calculating and a great deal of the remembering. Keep the wondering, the foreseeing, the deciding for yourself. Keep asking why even when the machine will gladly hand you the what. Wonderment isn’t nostalgia for a slower age — it’s the engine room. It’s how the palette gets filled, and a full palette is where every lighter path you’ll ever invent comes from.
Here’s what that looks like on an ordinary day. Before you reach for the mouse — before you ask the model or fire off the simulation — pick up a pen. Write down what you actually want to know, and, more importantly, why you want to know it. Take a swing at answering it yourself, even a clumsy one. Then put it down and walk away: take the walk, let your mind wander, turn the question over, imagine what the answers might be. Only then go to the tools — and don’t ask them for the answer. Show them your thinking, and ask: am I on the right track, and what should I consider before you tell me?
That small, deliberate cost — thinking first, struggling a little, spending the energy before the tool can spend it for you — is not wasted effort. It’s the spend that builds a better you, and it’s how you stay relevant in the world we’re walking into, instead of letting the tool quietly soften your cognitive environment until one day you wake up as a phenotype you never meant to become. And there’s a quiet dividend in it: as your own quality rises, so does the quality of everything you make. The two were never really separate.
So embrace the tools — wisely. Lean on them the way you’d lean on a good colleague: grateful for the help, never surrendering the judgment. Do that, and this isn’t a decline at all. It’s the oldest human move there is, in a new and more powerful shape — doing more with less, and growing, still, from within.
And now the part I owe you, because I promised it at the start. I built this with the very tool I just warned you about. I argued these ideas out with AI, and it made me faster, and in places better — and the whole time, the one thing I kept for myself was the part none of us can hand off: the wondering, and the seeing-ahead. That’s exactly why the warning is real, and not a pose. It is, as far as I can tell, the thing that made us. So I’ll leave it as a question, which is the only honest way to leave it.
When the tools can fit the present better than we can — when they can be “good enough” faster than any of us — what will we keep for ourselves? My bet is foresight. I think it has to be.
Building the palette.
And foresight, like creativity before it, has to be fed — which brings me to the one piece I’ve saved for last, because it’s the piece that makes all the rest possible. I’ve said all along that the environment gets the last word — that quality only means something once a thing meets the world it was built for. But that leaves a fair question unanswered: how do you come to understand a world well enough to build for it, or to see the next one coming? You can’t model a place you’ve never been. You can’t foresee a change in a field you never bothered to wander into.
This is where the palette comes back — the internal model of the world we each carry. The pen-and-paper habit is the daily way of tending it; this is the work of a lifetime. The richer and more varied that model, the sharper your read on any new environment, and the more lighter paths you can imagine through it. And you fill it only one way: by living a wide and curious life. Read past the fence line of your own field. Learn the trade beside yours. Build things, break things, travel, and talk with people who see the world nothing like you do. Every unfamiliar place you wander into hands you a new set of colors — and you never know which two of them will combine, years later, into the answer you needed.
So be a polymath — the kind who refuses to stay in one lane, who’ll borrow a pattern from biology to fix a problem in mechanics because they happened to know both. And be an autodidact — one who doesn’t wait to be taught, who follows a question on their own steam and learns whatever it demands. Creativity, innovation, and foresight all run on the same fuel, and this is it. An empty palette can only recombine the little it holds. A full one sees the connections no single discipline would ever hand you.
And here is the one place where everything I’ve argued turns over. This whole essay has been a case for spending less — for refusing the margin the world will never test, for the leaner thing that’s still good enough. Building your model of the world is the exception, and it is the highest-return energy you will ever spend. Every future “more with less” — every elegant fix, every world you manage to see coming — is paid for out of that account. It isn’t an expense. It’s the principal. Spend freely here, and it pays you back everywhere else, for the rest of your life.
And that’s the note I want to leave you on, because it’s a fair and hopeful one. None of this — not the foresight, not the creativity, not the quality — is reserved for the gifted few. The palette isn’t a gift you’re born holding. It’s built, one curiosity at a time, by anyone willing to put in the effort. That is the whole secret, and it’s almost embarrassingly simple: the world is knowable, foresight is learnable, and a better you — along with a better everything you make — waits at the far side of the effort it takes to go and live widely enough to earn it. So go fill your palette. The effort was always the point, and it has always been worth it.
That’s where I’ll leave it. Thank you for listening, and for spending the time to think it through with me. If something here landed, or if you’d push back on any of it, that’s exactly the friction I’m after. And friction is how the palette gets filled. So argue with it, share it with someone curious, and keep asking why.
If you have questions, or would like to discuss this further, feel free to contact me, Joe McFadden. My email is:
mcfadden at snet dot net.
Combating engineering mind blindness one student at a time.
Engineer. Lifelong learner. Holistic analyst. And most important, fellow human.
My blog is at McFaddenCAE dot com.
Have a thoughtful and wonderful day. Good bye.