The Stoics believed the universe was organized by logos — a rational principle that assigned everything its proper role. Salt’s role, in this cosmology, would be exactly what it has always been: not to be the meal, but to make the meal possible. The diner salt shaker, chrome and plain, sitting at the edge of every booth from Babylon to Bethpage, is a Stoic object. Nietzsche would smash it.
I have been watching salt shakers for twenty-five years.
Not obsessively. But when you run a diner, you notice what people do with them. Some customers reach for the salt before they’ve tasted anything — pure reflex, or a kind of preemptive pessimism about what the kitchen is capable of. Others never touch it, which usually means they were raised by someone who valued restraint as a virtue in its own right. A few, rarely, taste their food, think about it for a moment, and then decide. Those are the interesting ones. They are practicing, without knowing it, something very close to the Stoic ideal: attending to what is before committing to an action.
The salt shaker does not ask to be noticed. That is the point.
Marcus Aurelius and the Things That Do Their Job
Marcus Aurelius, in the Meditations — trans. Gregory Hays, Modern Library, 2002 — keeps returning to a particular kind of admiration: the admiration for things that perform their function without exceeding it. In Book V, he praises the fig tree for doing what fig trees do. Fire burns. Water flows. Each thing fulfills its nature. The Greek word is areté — excellence, virtue — but Aurelius is extending it downward through the whole of nature, from human action to the behavior of elements.
What strikes him about these things is their freedom from self-promotion. The fig tree does not advertise its figs. Fire does not call attention to its burning. They simply do what they are, completely, and in that completeness they achieve something that Aurelius, emperor of Rome and perhaps the busiest man alive, found philosophically enviable.
Salt, in this cosmology, is the perfect Stoic substance. Its whole function is to make other things more themselves — to pull out of meat what meat already contains, to activate the glutamate receptors that make the tongue register depth. When salt works, you do not taste salt. You taste the thing more fully than you could without it. The salt disappears into the dish and the dish becomes more real. If that is not the Stoic ideal of functional excellence — the logos of seasoning — then I don’t know what is.
What Aurelius would say about the salt shaker on the table at my diner in Mount Sinai is something like: this is a being that knows its nature and pursues it without deviation. It does not try to be the meal. It is not trying to be noticed. It is salt.
Harold McGee’s Neurons and the Stoic’s Electrochemistry
The Stoic position on salt’s excellence is, it turns out, biochemically defensible in ways Aurelius could not have anticipated.
Harold McGee, in On Food and Cooking (Scribner, 2004), describes sodium’s function in seasoning in terms that would have struck the Roman emperor as almost mystical confirmation of his intuitions. Sodium ions don’t just add to flavor. They suppress bitterness by blocking bitter taste receptors while simultaneously enhancing sweetness and the sensation of depth in savory compounds. They do not contribute a flavor of their own so much as they modulate the capacity of the tongue to receive the flavors of everything else.
But this is only the appetizer. The deeper electrochemistry is stranger and more fundamental. A.L. Hodgkin and A.F. Huxley’s Nobel-winning 1952 research — published as “A Quantitative Description of Membrane Current,” Journal of Physiology, 117:500-544 — established that the sodium-potassium pump is the basis of neural transmission. Every nerve signal that has ever fired in any body that has ever lived operates on the movement of sodium and potassium ions across a cellular membrane. Sensation itself — the ability to feel anything at all — runs on salt.
The Stoics believed logos was the rational ordering principle of the universe, present in all things, most fully actualized in human reason. They could not have known that the literal electrochemical substrate of that reason — the mechanism by which any brain thinks any thought — is the movement of sodium ions. Salt does not merely make the meal possible. In the most rigorous biochemical sense available to us, it makes the tasting of the meal possible. It makes the tasting of anything possible. It is the medium through which the world is experienced.
Marcus Aurelius was right about salt for reasons that had nothing to do with Stoic metaphysics. Salt knows its place because it is, at the most fundamental level, the place where knowing happens.
Nietzsche at the Table
Friedrich Nietzsche would find this unbearable.
Not the biochemistry — he was interested in science, and the notion that sensation runs on electrochemical gradients would have intrigued him. What he would find unbearable is the philosophical conclusion Aurelius draws from salt’s function. In On the Genealogy of Morality, First Essay (trans. Carol Diethe, Cambridge University Press, 1994), Nietzsche identifies what he calls slave morality — the revaluation of values by which weakness is renamed patience, submission is renamed humility, and the failure to assert oneself is renamed virtue. The slave who cannot dominate the master invents a system in which domination is bad, in which the will to power is recast as something ignoble, in which the highest value is placed on disappearing into the background and making others more comfortable.
For Nietzsche, the Stoic admiration for salt that “knows its place” is exactly this kind of revaluation. Salt is powerful — it is biologically essential, it can kill in excess, it once controlled the movement of armies and the preservation of civilizations. The Roman word salarium, from which we get “salary,” reflects how central salt was to power. A substance that once moved armies does not naturally “know its place.” It has been philosophically domesticated.
The Will to Power framework — outlined in the collection edited and translated by Walter Kaufmann (Vintage, 1968) — would read the Stoic salt shaker as a monument to self-suppression. The dish that tastes only of the other ingredients, where the salt has so successfully dissolved itself that nothing announces its presence: this is the Stoic’s triumph. And Nietzsche’s reaction would be: what a waste. What an elaborate philosophical apparatus constructed to make smallness into a virtue.
He might prefer, if we’re being honest, a properly salted crust. The piece of bread where the salt is unmistakably present. The finished leather — and I am thinking here of English bridle leather, the kind that takes six months to finish at Marcellino NY — where the natural grain is preserved and announced rather than sanded away. The Nietzschean object is one that remains itself. The Stoic object is one that makes others more fully themselves at the cost of its own visibility.
Saltaire and the Utopia That Agreed with Aurelius
There is a town on Fire Island, just off Long Island’s South Shore, called Saltaire. It takes its name from an 1892 planned community whose founders modeled it on the utopian salt-manufacturing settlement of Saltaire in Yorkshire, England — itself designed by industrialist Titus Salt in 1853 on the principle that a well-ordered community, like salt, should make life possible rather than call attention to itself. The Yorkshire Saltaire is a UNESCO World Heritage Site. The Fire Island version, documented in the Fire Island National Seashore’s historical archives, is a summer enclave of a few hundred homes organized around exactly the premise that Nietzsche would despise: community as infrastructure, not as expression.
Salt’s communal logic is Stoic. A community like salt — supporting life, enabling nutrition, sustaining the conditions of civilization — is one where the individual disappears into the function. The commune succeeds when no one has to think about it, the way the body succeeds when no one has to think about their sodium-potassium pump.
Nietzsche’s objection is predictable and not entirely wrong: communities organized around the disappearance of the individual tend to suppress the individual for other reasons too. The Saltaire of Yorkshire was paternalistic in ways its founder probably did not recognize as paternalistic. The workers who lived in Salt’s model town could not drink alcohol, could not take in laundry for extra money, were subject to a code of community order that reflected the industrialist’s values more than their own. Salt as communal principle can curdle into salt as control.
This is where the metaphor earns its complexity. The Stoic position is not that individuals should be suppressed. It is that the highest form of individuality is excellence-in-kind — being fully what you are. Salt is most itself when it disappears into the dish because that disappearance is its nature, its completion. A human being is not a seasoning. The analogy has limits Aurelius would have acknowledged.
The Chrome Salt Shaker and the Verdict I Can’t Quite Deliver
I can’t resolve this cleanly, and I don’t trust anyone who thinks they can.
Both positions are internally coherent. Aurelius is right that there is something admirable about a thing that performs its function without demanding recognition for it. The sous chef who makes the entire kitchen work and never appears in the dining room is not diminished by her invisibility — she is, in Aurelius’s sense, practicing areté. The foundation that holds a building up is not lesser than the facade that people photograph.
Nietzsche is right that the philosophical elevation of self-effacement can be a cover for other things. The celebration of salt that knows its place is also, in contexts where the wrong people are doing the celebrating, a convenient way of asking certain people to stay invisible.
What I keep coming back to is the specific object: the chrome salt shaker on the table at a diner. It is not hidden. It is right there. You can ignore it if you want, or you can engage it deliberately. It is available without insisting on itself. When I look at twenty or thirty of them scattered across the dining room at Heritage, silver cylinders on laminate tables in the flat light of a Tuesday morning, what I see is something that asks nothing except to be used well. That seems, to me, like a reasonable philosophical position.
Marcus Aurelius would agree. Nietzsche would tell me I’m rationalizing. He’s done it before. I’ve written about it. He usually has a point.
You Might Also Like: On the Genealogy of Morals — Nietzsche Review | The Will to Power — Nietzsche Review | God Is Dead, Prove It — Kierkegaard vs. Nietzsche and the Fight That Never Happened | Darwin’s Dangerous Idea by Daniel Dennett — The Book That Finished What Nietzsche and Dawkins Started
Sources
Aurelius, Marcus. Meditations, trans. Gregory Hays. Modern Library, 2002. Book V. | Nietzsche, Friedrich. On the Genealogy of Morality, trans. Carol Diethe. Cambridge University Press, 1994. | Nietzsche, Friedrich. The Will to Power, ed. and trans. Walter Kaufmann. Vintage Books, 1968. | Hodgkin, A.L. and Huxley, A.F. “A quantitative description of membrane current.” Journal of Physiology, 1952, 117:500-544. | McGee, Harold. On Food and Cooking. Scribner, 2004. | Fire Island National Seashore — nps.gov/fiis | Saltaire, Yorkshire — UNESCO World Heritage
