Among the many unexamined assumptions that govern contemporary attitudes toward the past, perhaps none is so firmly entrenched as the conviction that remembering is an unqualified good and forgetting a regrettable deficiency. We memorialise, we archive, we digitise; we treat the preservation of information as a moral imperative and its loss as a kind of civilisational wound. Yet a growing body of scholarship in neuroscience, philosophy, and jurisprudence suggests that this veneration of memory may be not merely excessive but actively harmful, and that the capacity to forget — far from being a cognitive failing — is an indispensable condition of both individual flourishing and social cohesion.
The neuroscientific case for forgetting rests on the observation that memory is not, as popular metaphor would have it, a filing cabinet from which stored items can be retrieved intact. It is instead a reconstructive process, one in which the brain actively reshapes past experience each time it is recalled. This plasticity serves a crucial adaptive function: by allowing memories to be updated, recontextualised, and, where necessary, attenuated, the brain prevents the past from exercising a tyrannical dominion over the present. Patients suffering from hyperthymesia — the rare condition of total autobiographical recall — provide a sobering illustration of what happens when this mechanism fails. Rather than benefiting from their prodigious memories, such individuals typically report lives of paralysing rumination, unable to escape the gravitational pull of every slight, every disappointment, every moment of shame they have ever experienced.
The philosophical tradition offers complementary insights. Nietzsche, in an essay that has lost none of its provocative force, argued that the capacity for forgetting was essential to what he called the 'plastic power' of life — the ability to metabolise experience and transform it into something generative rather than merely burdensome. A creature incapable of forgetting, he suggested, would be condemned to a state of perpetual convalescence, forever nursing wounds that could never heal because they could never be allowed to recede from consciousness. The metaphor is characteristically vivid, but the underlying observation is sober and defensible: psychological health requires a degree of selective inattention to the past that our culture's rhetoric of remembrance systematically undermines.
Nowhere are the stakes of this argument higher than in the domain of law and public policy. The advent of digital technology has created what the legal scholar Viktor Mayer-Schönberger has called an era of 'perfect memory' — a condition in which virtually every utterance, transaction, and indiscretion is preserved indefinitely in searchable databases. The consequences for individuals are frequently devastating. A youthful transgression, once buried by the merciful erosion of time, now surfaces with mechanical reliability whenever an employer, a creditor, or a curious acquaintance enters a name into a search engine. The European Union's recognition of a 'right to be forgotten' represents an attempt to restore, through legal mechanism, the organic process of social forgetting that digital technology has disrupted.
Critics of this right argue, not without justification, that it amounts to a form of censorship — a state-sanctioned erasure of factual information that sits uncomfortably with democratic commitments to transparency and accountability. The tension is genuine and probably irresolvable in any fully satisfactory way. But the critics' position rests on the same unexamined premise that pervades the broader culture: the assumption that more information is always preferable to less, and that access to the complete historical record of a person's life is a public good rather than a potential instrument of oppression.
What is needed, I would suggest, is not a wholesale abandonment of the ethic of remembrance but a more sophisticated understanding of its limits. Memory and forgetting are not adversaries but collaborators, each performing an essential function in the maintenance of a liveable present. To remember everything is to be overwhelmed; to forget everything is to be annihilated. The art of living — for individuals and for societies — lies in negotiating the narrow passage between these two forms of dissolution, preserving what is genuinely instructive while releasing what merely encumbers. It is an art, moreover, that grows more difficult and more urgent with each passing year, as the technologies of preservation outpace our wisdom about what deserves to be preserved.