A person asked why she accepted a demanding appointment ordinarily produces reasons rather than a history of the mechanisms that made those reasons persuasive. She mentions intellectual challenge, public usefulness, or financial security; she rarely mentions the order in which alternatives were presented, the prestige of the person offering the post, or the embarrassment attached to refusing it. This omission need not constitute deception. The more unsettling possibility is that sincere explanation and incomplete causal knowledge coexist: we can believe the account we give without possessing privileged access to everything that generated the decision.
The distinction is between justification and explanation. A justification identifies considerations that make an action defensible; an explanation identifies conditions that contributed to its occurrence. The two may overlap without coinciding. A candidate might choose a programme because its teaching is excellent, yet notice that excellence principally because the programme is prestigious. Prestige does not thereby invalidate the judgement about teaching. Nor does the truth of that judgement establish that it was causally decisive. Confusion begins when a defensible reason is treated as a complete inventory of motivation, as though logical adequacy guaranteed psychological transparency.
Consider a hypothetical applicant who ranks two universities differently after learning which one has rejected her. If she now praises the institution still available, we may suspect rationalisation. But suspicion is not proof. Rejection can provide information about institutional fit; disappointment can also prompt a more careful examination of previously neglected advantages. The same observable revision is compatible with learning and self-protection. To infer the second merely because the change is convenient would reproduce the very error under investigation: selecting the interpretation that feels explanatory and neglecting the alternatives that complicate it.
This underdetermination matters because familiar accounts of self-knowledge often oscillate between implausible extremes. At one extreme, the individual is a transparent author whose stated reasons settle every question about intention. At the other, consciousness is a decorative commentator, arriving after hidden machinery has done the real work. Neither follows from the possibility of retrospective reconstruction. Limited access to a decision's genesis does not entail total irrelevance to its revision. A person may misunderstand why a preference arose while still examining its implications, resisting its expression, or reorganising the circumstances in which similar preferences acquire force.
The language of confabulation can obscure this intermediate position when applied too casually. In its clinical use, the term concerns false accounts produced without a corresponding intention to deceive; here the relevant analogy is narrower, involving the ordinary temptation to supply coherence where memory and introspection leave gaps. It would be excessive to diagnose every imperfect explanation as a disorder. Nevertheless, the analogy exposes a conceptual vulnerability: confidence in an account may arise from its fluency and internal consistency rather than from reliable access to the events it purports to explain.
Suppose the applicant is asked to defend her ranking publicly. The demand for an explanation may improve her judgement by forcing implicit criteria into view. It may also make the ranking more resistant to correction. Once she has attached her reputation to a coherent account, contradictory information threatens both the judgement and the identity of being a competent judge. Explanation then becomes performative: it helps create the stability it claims merely to report. This does not mean public reasoning is futile. It means the institutional conditions of explanation influence whether reasons remain revisable or harden into evidence of personal loyalty.
There is a corresponding asymmetry in how observers evaluate themselves and others. My revision appears sensitive to nuance; yours appears opportunistic. My persistence reflects principle; yours reflects rigidity. Such classifications often contain a tacit exemption: the observer assumes direct access to the sincerity of his own reasoning while inferring the motives of others from behaviour. Yet sincerity is precisely what fails to guarantee completeness. A sincere explanation can omit important influences, whereas an opponent's inconvenient argument can remain valid despite motives that are unattractive. Assessing reasons by suspected origins alone is therefore an unreliable shortcut.
One response would be relentless self-suspicion. Before acting, the individual might attempt to identify every concealed motive and disqualify any preference touched by vanity, fear, or imitation. This project is unlikely to succeed, partly because the suspicion itself can become a source of vanity. More fundamentally, motives do not arrive as separable chemical ingredients whose removal leaves a pure residue. A desire to teach may combine generosity, ambition, pleasure, and a need for recognition. The presence of the last does not cancel the first. What matters includes how these motives shape conduct when their demands conflict.
A more tractable discipline examines the robustness of a judgement across changes that ought to be irrelevant. Would the argument still persuade if offered by an unfashionable person? Would the same evidence count against a preferred conclusion? Would a rejected option look less contemptible if it became available tomorrow? These counterfactual questions cannot disclose an uncontaminated inner self. They can reveal dependence on considerations that the individual's explicit account excludes. The objective is not to achieve perfect psychological archaeology but to make reasoning more responsive to its own declared standards.
Even that objective requires caution. Consistency across circumstances is not invariably desirable, because circumstances can carry relevant information. A recommendation from an expert and the same recommendation from an uninformed stranger do not necessarily deserve equal weight. The challenge is to distinguish authority that supplies evidence from authority that substitutes for it. Similarly, emotional discomfort may disclose an ethical concern rather than merely obstruct rationality. A defensible method cannot classify every influence outside formal argument as corruption. It must ask which influences bear on the question and whether their significance survives explicit examination.
The resulting account of agency is less majestic but more demanding than the image of a sovereign chooser. Responsibility need not rest on having authored every impulse or accurately narrated every cause. It can concern the practices through which impulses are evaluated, environments arranged, and commitments corrected. Someone who cannot prevent a first reaction may still be answerable for cultivating the conditions under which that reaction becomes an unquestioned policy. Agency is distributed across time: preparation, attention, decision, and revision contribute to it, though no single moment contains the whole.
Self-knowledge, on this view, is neither a private revelation nor an endless prosecution. It is an achievement sustained by comparison, criticism, and opportunities to act differently. The question 'Why did I choose this?' remains useful, provided its answer is treated as a hypothesis capable of improvement rather than as a final certificate of authenticity. An explanation may be truthful about what one values while incomplete about what moved one. Recognising that incompleteness does not abolish responsibility. It relocates responsibility from the possession of an immaculate origin to the continuing willingness to expose one's reasons to correction.