What We Owe to Bernard Williams
Another supplement to Modal Path Ethics.
Modal Path Ethics only partially acknowledges what it owes to Bernard Williams, who coined the concept of moral remainder (which this framework uses at several important junctures) in his 1965 essay "Ethical Consistency", and developed the idea across decades of work. The book does credit him and discuss this briefly, but doesn't locate this framework within the broader Williams lineage.
This piece differs from the previous supplements in that Williams is not a critic of Modal Path Ethics. He is closer to a philosophical ancestor, and the project is one this framework shares and tries to continue.
The Morality System
Williams's most important contribution to moral philosophy, developed most fully in Ethics and the Limits of Philosophy (1985), is his diagnosis of what he called "the morality system": the cultural artifact analytic ethics tends to treat as the neutral structure of moral life itself, a framework organized around obligation, blame, voluntary action, judgment, and a sharp boundary between the moral and the non-moral.
His claim was that this system is not the universal structure of ethical thought but a historically particular, largely post-Kantian development that has come to present itself as ethics as such while being one contingent articulation among several. His target was never ethical thinking itself, only the specific framework that had come to monopolize what analytic philosophy meant by "ethics."
This maps closely onto Modal Path Ethics' own analysis of what the book calls secondary morals.
Where Williams identifies obligation, blame, and moral judgment as the defining categories of the morality system and argues that they have been mistaken for the universal ethical structure, Modal Path Ethics names those same categories as secondary social technologies mistaken for foundational moral facts.
The philosophical move is the same. Williams makes it from inside analytic moral philosophy, engaging directly with Kant and the post-Kantian tradition; this framework makes it with reference to structural features of extance rather than from inside any analytic meta-ethics.
Williams's vocabulary is sharper than MPE's in many respects. The idea of a cultural artifact masquerading as universal structure captures something important about what has gone wrong in contemporary moral thinking that this framework's language of primary versus secondary does not fully convey.
The morality system is not just secondary in Modal Path Ethics' sense, but is a specific historical locus with its own identifiable origins, identifiable commitments, and identifiable consequences for how moral questions get framed and answered. Recognizing it as such is part of what Williams's critique achieves and part of what this framework now asserts to inherit.
Moral Remainder
The concept Modal Path Ethics most visibly owes to (or maybe, "plucked from") Williams is moral remainder, introduced in "Ethical Consistency" as a response to the contemporary orthodox view that genuine moral dilemmas are actually impossible because correct moral reasoning, by nature, always produces a single right answer.
Williams, the G.O.A.T., argued that this view misses something very real about the phenomenology of moral life. When an agent faces genuine competing obligations and chooses the better option, something is still owed, still regretted, still unresolved, even after the correct choice has been made. This surviving obligation or residue is not simply a psychological artifact that should be made to fade with reflection or comforting rhetoric. That residue is a genuine moral claim that the situation has not now dissolved simply because the agent chose as well as the options permitted.
Williams developed this thought across his work on moral luck, on integrity, and on the limits of utilitarian impersonality. The consistent point was that moral life includes genuine tragedy, genuine loss, genuine residue, and that moral frameworks which systematically explain these away are always falsifying the phenomenon they purport to describe. A theory that tells you your regret after a forced choice is irrational has completely failed to understand what the regret is actually responsive to.
Modal Path Ethics' use of moral remainder is directly continuous with Williams's. Where the frameworks do differ is in where the remainder actually resides and what it actually tracks. For Williams, moral remainder is agent-centered. It attaches to the integrity of the person who chose and to the particular commitments and relationships implicated in what was not saved. It belongs to the first-person perspective of someone who could not avoid doing something regrettable. The remainder is real because the loss is real and because the agent's commitments genuinely ran to what was lost, not just to what was saved.
For Modal Path Ethics, moral remainder is field-structural. The selected path is better, but the field still carries forward the damage of the loss imposed by the forced choice. The remainder is not only what the agent owes to their integrity or to the parties not saved, it is an actual claim written into the topology of extant possibility itself: futures now permanently narrowed, resistance now raised, repair now necessary that was not before. The agent's regret, where it is genuine, is then appropriate precisely because it tracks this real, structural fact rather than merely expressing some personal emotional residue.
Williams was right that remainder is real and that moral frameworks which explain it away are failing. This framework agrees, and adds that the structural ground of the remainder extends beyond the agent's first-person perspective and into the field itself.
Thick Ethical Concepts
A second Williamsian theme that runs through Modal Path Ethics (and even inadvertantly worked its way into Chirality) without being openly acknowledged is the distinction between thick and thin ethical concepts.
Williams developed this idea to argue against the orthodoxy that ethics could be adequately articulated in thin terms like "good" and "right," which appear to be purely evaluative and context-free. His counter-claim was that the most useful ethical concepts in actual moral life are thick: concepts like cruelty, courage, cowardice, gratitude, and betrayal, which combine description and evaluation in ways that cannot be cleanly separated. Thick concepts carry evaluative weight because of what they describe, not through some independent act of valuation applied to neutral description.
Modal Path Ethics' structural vocabulary is itself a collection of thick concepts in Williams's sense. Harm, contraction, foreclosure, resistance, burden transfer, care, distortion: these are not neutral descriptive terms to which evaluation is added afterward. Identifying a transition as a contraction of reachable possibility space is already to have said something evaluative about it. To describe a field as distorted is already to have said something about how it stands to reality. The framework works as it does partly because its vocabulary operates in the thick register that Williams identified as central to honest ethical description.
This is worth noting because it helps explain why Modal Path Ethics cannot be easily translated into the thin vocabulary of analytic meta-ethics without losing its purchase and purpose. Attempts to reduce the framework to a set of principles stated in thin terms produce something that looks remarkably ethics-like but fails to capture what the framework is actually tracking.
Integrity and the Extant Agent's Stake
One area where Modal Path Ethics notably diverges from Williams concerns integrity. Williams's defense of integrity against utilitarian demands to override one's own projects and commitments for the sake of aggregate welfare is one of the most famous arguments in twentieth century moral philosophy. His point was, essentially, that a theory which systematically requires agents to sacrifice their deepest commitments for impersonal optimization has failed to understand what it is to be a moral agent at all. Agents are not neutral optimizing machines; they are beings constituted by particular projects, relationships, and commitments that give their lives shape and meaning.
Modal Path Ethics does not have an equivalent place for integrity as a central moral concept. Its treatment of agents focuses exclusively on their role as extant loci within the field rather than on their integral constitution through particular commitments and projects. An agent's commitments do still matter insofar as they affect the agent's ability to perceive the field accurately and respond to it honestly, but the commitments themselves do not have the foundational moral weight that Williams's framework gives them.
This may just prove a limitation of this framework at present. Williams's argument about integrity did capture something undeniably real about moral agency. An agent who abandons every particular commitment in favor of impersonal structural analysis has not thereby necesarrily become more ethical. They may instead have become less capable of the kind of sustained attention to particular loci that care in this framework's sense requires.
Williams's concerns about what impersonal theories do to agents apply to any framework that emphasizes structural over personal considerations, and this one cannot actually dismiss these concerns by just pointing to its structural realism and shrugging.
What it holds is that structural analysis and particular commitment are not opposed: honest attention to the particular locus in front of you is itself structural analysis at the appropriate scale, and the agent who cares accurately for one locus is already doing what the framework asks. Williams's critique of utilitarian impersonality does not apply to this framework in the same form because Modal Path Ethics does not require impersonal aggregation.
Our Gifts From Williams
The deepest debt this framework owes to Williams is somewhat harder to name because it runs through the entire sensibility of Modal Path Ethics rather than through any particular concept.
Williams appears to have taught an entire generation of philosophers how to do ethics honestly.
By honestly I mean something specific: with attention to what moral phenomena actually look like in practice, with resistance to the systematizing impulses for us to smooth over difficulty, with willingness to acknowledge genuine tragedy, loss, and residue rather than explaining them away for convenience, and with a kind of pure philosophical dignity that refuses to pretend that serious moral questions admit of clean algorithmic answers. This sensibility is alive throughout Modal Path Ethics (I hope). The framework's refusal to promise innocence, its insistence that moral life often takes place after the damage, its commitment to holding secondary and primary simultaneously at the proper depth without collapsing one into the other, its treatment of judgment as disciplined rather than mechanical: all of this bears the stamp of the Williamsian tradition even where the specific claims definitely depart from Williams's own positions. This framework is not a continuation of Williams's specific philosophical positions, but strives for a continuation of his philosophical stance toward the subject matter. That stance is worth naming because it is increasingly rare in modern culture.
Contemporary moral philosophy is still dominated by frameworks that promise much more than moral reality can deliver: utilitarian arithmetic that promises you clean answers through aggregation, deontological systems that promise you certainty through rule-following, virtue ethics that promise you guidance through character cultivation. All of these do have serious things to say, and Modal Path Ethics does not dismiss them outright, but none of them fully takes on board Williams's crucial insight that serious moral thinking often ends in residue, tragedy, and irreducible difficulty that the framework itself cannot magically dissolve. This framework does, if nothing else, take this on board by offering a different structural account than Williams of where the difficulty comes from and what it tracks, but the basic disposition toward the subject matter is his.
One more very important observation about method: Williams was famously deeply suspicious of systematic moral theory and skeptical that philosophy could ever produce a framework that would settle ethical questions in a principled way. His later work moves increasingly toward what he called "an ethics of the first person," skeptical of the universalist ambitions of the morality system and attentive to the particular shapes of actual ethical life.
Modal Path Ethics is definitely more systematic than Williams would probably have endorsed.
The framework offers a structured vocabulary, a decision procedure, weighting criteria, and systematic answers to objections. This is much more apparatus than Williams thought helpful, and a careful Williamsian reader might worry that MPE is reconstructing exactly the kind of systematizing moral theory Williams spent his career resisting. The reply is that MPE's systematicity operates at a different level than the morality system Williams criticized.
What Williams objected to was the reduction of ethical life to a single framework organized around obligation and blame, presenting itself as the neutral structure of ethical thought while actually being a particular historical development. Modal Path Ethics does not actually make this reduction. Its systematicity is the systematicity of structural description, not the misguided systematicity of procedural ethics. The framework does not tell you what to do in the way the morality system does; it offers instead a structured way of perceiving the field within which you do have to decide.
This is closer to what Williams called "ethics" in his later distinction than to what he called "morality," and it is arguably compatible with his broader concerns even where it exceeds his own preference for unsystematic description. Still, the likely worry is worth acknowledging. Modal Path Ethics undeniably offers far more apparatus than Williams ever thought wise, and readers formed by his later work will have to decide for themselves whether the framework's systematicity earns itself or does, in fact, reproduce the exact kind of theoretical overreach Williams himself warned against. The author's personal view (implied, of course, in that he wrote it) is that it earns its keep, because the structural vocabulary is answering questions Williams himself raised without ever fully answering.
Elaboration
This essay was constructed differently from the other supplementary essays because the relationship is considered different. MacIntyre is considered a philosophical rival whose diagnostic convergence with Modal Path Ethics does not translate into actual constructive agreement. Habermas is considered a philosophical neighbor whose project occupies adjacent territory with very, very different commitments. Williams is seen as something closer to a philosophical ancestor whose work created the space within which Modal Path Ethics now becomes possible.
Framework builders seem to have a characteristic temptation to exaggerate their originality by downplaying their debts to the thinkers who shaped their sensibility.
Modal Path Ethics has very much tried to avoid this temptation, but the book's explicit acknowledgments of Williams and others are admittedly much thinner than the actual debt here warrants, which these online essays are meant to help repay by stating what is owed clearly and showing how it extends beyond adopting the single concept of moral remainder into the broader stance toward moral reality that the framework takes for granted.
If Modal Path Ethics succeeds at anything, it will be partly because Williams taught philosophers how to actually approach the subject matter at hand with appropriate seriousness. The framework extends his insights in directions he did not take and disagrees with some of his specific commitments. But the sensibility still remains his.