Man: The Cruelest Animal?

“Remember your humanity, and forget the rest”— Bertrand Russell and Albert Einstein, The Russell–Einstein Manifesto, 1955

On the morning of August 6, 1945, Hiroshima was a living city. Children were preparing for school, workers were beginning another day, meals were being eaten, conversations remained unfinished and countless ordinary plans had been made for an evening many would never see. At 8:15 am, a single atomic bomb changed all that. In seconds, a city became an inferno and human ingenuity demonstrated what it was capable of when divorced from human conscience. Three days later, Nagasaki suffered the same fate.

More than eight decades have passed, yet the mind still struggles to comprehend what happened. Not merely the scale of destruction, but the extraordinary contradiction it represented. Human beings had acquired sufficient knowledge of physics to split the atom but apparently insufficient wisdom to prevent that knowledge from being used to incinerate fellow human beings. This raises an uncomfortable question: is man the cruellest animal?

Animals kill. Nature is certainly not a sentimental place. Predators hunt for food, animals fight over territory, mates and dominance, and some species occasionally kill for reasons other than immediate survival. Yet no creature other than Homo sapiens has transformed killing into an organised industry. No animal constructs factories to manufacture weapons capable of destroying entire cities. None develops elaborate ideologies to justify mass slaughter, calculates acceptable casualties or decorates members of its species for becoming exceptionally efficient at killing others. Only the supposedly “wise man” has achieved such sophistication.

The atomic bombings cannot, of course, be examined outside the horrors of the Second World War. Nazi Germany had perpetrated the holocaust. Imperial Japan had committed horrific atrocities across Asia. Cities had already been devastated by conventional and incendiary bombing. Millions of soldiers and civilians were dead. Defenders of the decision to use atomic weapons maintain that the bombs accelerated Japan’s surrender and avoided an invasion that could have caused enormous casualties on both sides. Critics have long questioned whether alternatives existed and whether the second bombing, in particular, was necessary.

Historians may continue debating these questions. Humanity must confront another. At what point does military necessity cease to provide moral shelter for the deliberate infliction of unimaginable suffering upon civilians? Perhaps the most disturbing legacy of Hiroshima and Nagasaki is not simply that atomic bombs were used. It is that humanity had reached a stage where the destruction of enormous number of ordinary people could be incorporated into strategic calculation. Human beings had become numbers. Therein lies the first requirement of organised cruelty: dehumanisation.

Before we can inflict unbearable suffering upon others, we must somehow stop seeing them as ourselves. They become the enemy, an alien race, religion, nationality, sect or ideology. Children become unfortunate collateral damage. Dead bodies become casualty figures. Destroyed neighbourhoods become strategic targets. Language performs the anaesthesia that conscience might otherwise refuse. Once human beings are converted into categories, almost anything becomes possible.

History is littered with evidence. Colonial atrocities required subject populations to be regarded as inferior. Ethnic cleansing requires neighbours to become enemies. Genocide requires individual faces to disappear behind collective labels. Modern warfare similarly becomes easier to tolerate when suffering is viewed through satellite images rather than through the eyes of a mother holding her dead child. Perhaps that explains one of the strangest contradictions of our species. The same human hand that tenderly caresses a newborn can press the button that launches a missile towards somebody else’s newborn.

The same species that produces Mozart and Rumi, builds hospitals, writes poetry, explores distant planets and risks lives rescuing strangers from disasters also constructs concentration camps, torture chambers, chemical weapons and nuclear warheads. How can such tenderness and such barbarity inhabit the same creature?

We proudly call ourselves civilised. Yet civilisation cannot merely mean technological advancement. If anything, technology without corresponding moral advancement makes human beings more dangerous, not less. A primitive weapon can kill one person. Human intelligence created weapons capable of killing millions. Science gives us power. It does not necessarily give us wisdom. That distinction should haunt us.

The scientists who unlocked the secrets of the atom demonstrated one of humanity’s greatest intellectual achievements. But when knowledge becomes separated from ethics, achievement can become catastrophe. Ten years after Hiroshima and Nagasaki, Bertrand Russell and Albert Einstein, together with other distinguished scientists, issued their famous manifesto warning humanity about nuclear war. Their appeal was breathtakingly simple: “Remember your humanity, and forget the rest.”

What an extraordinary plea to have to make to human beings. Remember that the person across the border is human. Remember that the child beneath the rubble is human. Remember that the mother screaming outside a hospital is human. Remember that beneath uniforms, flags, religions, ethnicities and nationalities beats essentially the same vulnerable human heart.

Yet eighty-one years after Hiroshima, humanity still maintains nuclear arsenals capable of inflicting destruction on a scale those who witnessed 1945 could scarcely have imagined. Governments speak comfortably of deterrence, strategic balance, tactical nuclear weapons and acceptable responses. Behind this sophisticated vocabulary lies an elementary reality: we have created instruments capable of annihilating ourselves and entrusted their possible use to human beings subject to anger, ambition, miscalculation and fear. What could be more absurd?

Perhaps the problem lies in our understanding of civilisation itself. We measure progress through economic growth, scientific discovery, technological innovation and military capability. We celebrate artificial intelligence, space exploration and machines capable of performing tasks once thought impossible but are we becoming better human beings? Can technological advancement truly be called progress if our moral consciousness remains primitive?

The jungle may be brutal, but it possesses no Hiroshima, no Nagasaki, no Bosnia, no Rwanda and no Gaza. Animals do not convene conferences to plan genocide. They do not manufacture propaganda to persuade millions to hate strangers. They do not teach generations to inherit ancient hostilities. Above all, they have never developed the capacity to destroy their own species and perhaps much of life on Earth in a matter of hours. We have.

Perhaps, therefore, the greatest evolutionary challenge confronting humanity is no longer intellectual. It is moral.

The victims of Hiroshima and Nagasaki cannot be brought back. Their suffering cannot be undone, nor should their memory be appropriated merely to settle historical arguments. Their enduring legacy should be a warning addressed not to one country but to every nation possessing the capacity to wage war. No flag can make the agony of a burning child less human. No ideology can transform another mother’s grief into something morally insignificant. No victory can make cruelty virtuous.

More than eight decades after those terrible August mornings, mankind has learnt to split the atom, map the human genome, communicate instantaneously across continents and send machines beyond the solar system. Perhaps it is time we mastered something infinitely more difficult: learning to recognise ourselves in one another.

For the ultimate measure of civilisation is not what humanity has learnt to create, but whether it can finally learn not to destroy.

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The writer, lawyer and author, is former Adjunct Faculty at Lahore University of Management Sciences (LUMS), a member Advisory Board and Senior Visiting Fellow of Pakistan Institute of Development Economics (PIDE)