Common Sense Philosophy/Chapter 25

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Common Sense Philosophy

Chapter 25: Conclusion -- Common Sense as Uncommon Courage

The Argument in Full

We have come a long way. Twenty-four chapters, six parts, and several hundred pages since we began with the question "Why another philosophy?" -- and the answer was that the existing frameworks have failed us. Utilitarianism reduces human welfare to calculation. Deontology floats free of empirical reality. Virtue ethics romanticizes tradition. Postmodernism dissolves the very possibility of evaluation. Cultural relativism treats all value systems as equally valid, which means treating the oppressor's values as equivalent to the victim's. And the ideological systems that dominated the twentieth century -- fascism, communism, theocracy, unconstrained capitalism -- have each, in their own way, demonstrated that comprehensive ideologies produce comprehensive disasters.

The alternative this book has proposed is not another ideology. It is a method -- a method of civilizational evaluation that is empirically grounded, cross-culturally informed, and evaluatively committed without being metaphysically dogmatic. We called it Common Sense, invoking Thomas Paine's pamphlet of 1776, which argued that what seems radical to the powerful is often merely obvious to everyone else.

The method begins with an observation: that human beings, despite their extraordinary diversity, share certain biological and psychological requirements for flourishing -- requirements that can be identified empirically, without appealing to divine revelation, metaphysical speculation, or cultural authority. Humans need food, shelter, health, safety, social connection, meaningful activity, and the freedom to direct their own lives. These are not cultural constructions. They are facts about the kind of beings we are, and any civilization can be evaluated by how well it provides these conditions for its members.

From this empirical foundation, twelve markers of civilizational progress were developed: species preservation, suffering reduction, dignity protection, liberty expansion, institutional quality, rule of law, violence reduction, rational autonomy, cooperative capacity, minority protection, gender equality, and ecological sustainability. These markers are not metaphysical absolutes. They are convergent rational conclusions -- principles that emerge independently in every major philosophical tradition, from Kant to Confucius, from Mill to Mencius, from ubuntu to Buddhism, whenever human beings reflect seriously on the conditions of a good life.

The book then examined the great obstacles to civilizational progress -- war, nationalism, authoritarianism, religious dogma, cultural relativism, corruption, poverty, sexual repression, surveillance, and irrational ideology -- and argued that each of these represents a measurable, identifiable, and in principle surmountable barrier to human flourishing. Not easily surmountable. Not inevitably surmountable. But surmountable -- if the will exists.

It engaged with the world's major philosophical traditions -- Western, Confucian, Buddhist, Daoist, Hindu, African, decolonial -- and found in each tradition both genuine insights that the Common Sense framework gratefully incorporates and genuine failures that it honestly criticizes. No tradition has a monopoly on truth. No tradition is exempt from critique. The project of civilizational evaluation is a human project, not a Western one, and it requires all of humanity's intellectual resources.

Finally, it turned to the question of what is to be done: how international institutions must be reformed, how education must be transformed, and how civilizations must be willing to evaluate themselves honestly against the markers that their own best thinking endorses.

Both True

There is a fact about the contemporary world that is so important, and so widely misunderstood, that it must be stated with maximum clarity.

The world is better than it has ever been. And the world is still unacceptably bad. Both of these statements are true, simultaneously, and the failure to hold both of them in mind at the same time is the source of the two most dangerous intellectual pathologies of our time: lazy pessimism and irresponsible optimism.

The case for progress is overwhelming. Global extreme poverty has declined from approximately 36% of the world's population in 1990 to less than 10% today. Child mortality has been halved in a generation. Literacy is near-universal among the young. Life expectancy has increased on every continent. The proportion of the world's population living in democracies has increased from approximately 12% in 1900 to approximately 55% today (though the figure has declined in recent years). Interstate war has declined dramatically since 1945. The rights of women, racial minorities, and sexual minorities have advanced further in the past century than in the entire prior history of civilization.

These are not minor achievements. They represent the most rapid and comprehensive improvement in the material conditions of human life in the entire history of the species. Anyone who dismisses them -- who insists that the world is getting worse, that progress is an illusion, that things have never been so bad -- is either ignorant of the data or indulging in the kind of fashionable pessimism that mistakes gloom for sophistication.

But the case against complacency is equally overwhelming. Nearly 700 million people still live in extreme poverty. Approximately 5 million children under the age of five die every year from preventable causes. Climate change threatens to reverse decades of progress and impose suffering on a scale that dwarfs anything in recorded history. Authoritarian governance is expanding, not contracting. Nuclear weapons remain on hair-trigger alert. Artificial intelligence poses existential risks that we are not yet equipped to manage. Inequality within countries has increased dramatically, creating societies in which formal equality coexists with substantive oligarchy. The rights of women and minorities, while advancing globally, are being rolled back in specific countries and regions.

The honest position -- the Common Sense position -- is determined realism: clear-eyed acknowledgment of how far we have come, combined with unflinching recognition of how far we have to go, and a refusal to let either truth obscure the other.

Against Lazy Pessimism

Pessimism is the easiest intellectual posture. It requires no effort, no imagination, and no risk. The pessimist who declares that the world is going to hell, that human nature is irredeemable, that progress is an illusion and reform is futile, is making a prediction that cannot be refuted in the short term (things can always get worse) and that absolves him of the responsibility to do anything. If the world is irredeemable, then there is nothing to be done, and the pessimist can retire to his study with a clear conscience and a glass of wine.

But pessimism is not merely intellectually lazy. It is empirically wrong. The data on global progress -- declining poverty, increasing literacy, expanding rights, declining violence -- are not matters of opinion. They are measurable facts, documented by thousands of researchers using millions of data points, and they refute the pessimistic narrative with overwhelming force.

More importantly, pessimism is morally corrosive. It demotivates precisely the people who have the capacity to make a difference. The activist who is told that activism is futile will stop acting. The voter who is told that democracy is a sham will stop voting. The teacher who is told that education cannot change anything will stop teaching with conviction. Pessimism is not a neutral intellectual position. It is a self-fulfilling prophecy: it produces the passivity that produces the outcomes that seem to confirm it.

Against Irresponsible Optimism

But optimism, taken too far, is equally dangerous. The optimist who insists that everything is getting better, that the arc of history bends toward justice, that progress is inevitable and we need merely wait for it to arrive, is making a different kind of error -- one that is equally comforting and equally irresponsible.

Progress is not inevitable. It is contingent -- dependent on specific institutions, specific policies, specific cultural commitments, and specific individuals who are willing to fight for it. Every achievement catalogued in this book -- the abolition of slavery, the emancipation of women, the reduction of poverty, the expansion of democracy -- was won against fierce resistance by people who were told that what they sought was impossible, impractical, or contrary to nature. None of these achievements would have occurred without sustained effort, and none of them is safe from reversal.

The optimist who treats progress as automatic -- who believes that history has a direction, that the future will inevitably be better than the past, that the arc of the moral universe bends toward justice without anyone needing to bend it -- is providing a justification for inaction that is functionally equivalent to the pessimist's. If progress is automatic, then there is nothing to do but wait. If the arc bends on its own, then there is no need to bend it.

Martin Luther King Jr., to whom the metaphor of the bending arc is usually attributed, did not in fact believe that the arc bends on its own. He invoked the metaphor in the context of sustained, exhausting, dangerous activism -- marches, boycotts, sit-ins, jail cells, death threats. The arc bends toward justice only when someone is pulling on it, and it snaps back toward injustice the moment they let go.

The Existential Stakes

The argument for determined realism is not merely philosophical. It is existential. For the first time in human history, the species possesses the capacity to destroy itself -- not metaphorically but literally, through nuclear war, ecological collapse, engineered pandemics, or the misalignment of artificial intelligence systems more powerful than their creators can control.

This is new. Throughout most of human history, civilizational collapse was local: the fall of Rome, the collapse of the Maya, the decline of the Abbasid Caliphate -- each of these was a catastrophe for the people involved, but the species survived and other civilizations continued. The twentieth century changed this. Nuclear weapons created, for the first time, the possibility of species-level catastrophe. Climate change extended the timeline but not the stakes: a world that is four or five degrees warmer than the pre-industrial average will not merely be uncomfortable. It will be, for billions of people, uninhabitable.

The philosopher Toby Ord has estimated that the probability of an existential catastrophe in the next century is approximately one in six -- the odds of Russian roulette. Whether or not one accepts Ord's specific probability estimate, the qualitative point is undeniable: the risks are real, they are growing, and they are not receiving the institutional attention they deserve. The amount of money, talent, and institutional capacity devoted to existential risk reduction is vanishingly small compared to the amount devoted to activities that increase existential risk (military expenditure, fossil fuel extraction, unregulated AI development).

Determined realism, in this context, is not merely a philosophical posture. It is a survival strategy. The species that cannot honestly assess its own situation -- that oscillates between denial ("it's not that bad") and despair ("there's nothing we can do") without pausing at the truth ("it is that bad, and there is something we can do") -- is a species that is unlikely to survive the century.

The Case for Determined Realism

The intellectual posture that this book recommends -- the only posture consistent with the evidence -- is determined realism. It has three components.

First, empirical honesty: the willingness to see the world as it is, not as we wish it were and not as we fear it might be. This means acknowledging progress where it has occurred, acknowledging failure where it persists, and refusing to let ideological commitments distort the assessment of either.

Second, moral seriousness: the refusal to treat the suffering that remains as acceptable, inevitable, or someone else's problem. The fact that the world is better than it has ever been does not make it good enough. Seven hundred million people in extreme poverty is not an acceptable number. Five million dead children per year is not an acceptable number. The number of political prisoners, the number of women subjected to violence, the number of minorities denied basic rights -- none of these numbers is acceptable, and the fact that they are lower than they were a century ago does not make them acceptable.

Third, practical commitment: the willingness to do something about it. Not everything. Not single-handedly. Not immediately. But something -- and to do it now, with the resources available, in the circumstances that obtain, without waiting for perfect conditions that will never arrive.

The Common Sense Manifesto

What can each person do? The question sounds naive, and in a sense it is. The problems catalogued in this book -- war, poverty, authoritarianism, environmental destruction, institutional failure -- are systemic problems that cannot be solved by individual action alone. They require institutional reform, policy change, and collective action on a scale that no individual can achieve.

But systemic change is made of individual actions. Every movement that has ever changed the world began with individuals who decided to act -- who decided that the world as it was, was not the world as it should be, and that they were going to do something about it.

The Common Sense manifesto is not a list of policy proposals (those were provided in Chapters 22 and 23). It is a set of commitments that any person, in any country, at any level of power or influence, can make.

Think clearly. Cultivate the habit of evaluating claims on the basis of evidence rather than authority, tradition, or emotional appeal. Be suspicious of claims that cannot be tested. Be especially suspicious of claims that make you feel good about yourself or your group. The most dangerous beliefs are the ones we hold because they are flattering, not because they are true.

Speak honestly. Say what you believe, and believe what you say. Do not say things you know to be false in order to gain advantage, avoid conflict, or signal loyalty to a group. Do not remain silent when speaking would make a difference. The cost of honest speech is occasionally high; the cost of dishonest silence is always higher.

Refuse tribalism. Resist the temptation to divide the world into us and them, to treat your group's interests as more important than others', to excuse in your own group what you condemn in others. Apply the same standards to yourself and your group that you apply to others. This is the hardest commitment on the list, because tribalism is deeply embedded in human psychology. It is also the most important, because every atrocity in human history has been committed by people who believed that their group's interests justified the suffering of outsiders.

Extend compassion. Cultivate the habit of seeing the world from other people's perspectives -- especially the perspectives of those who are most different from you, most distant from you, and most powerless. This is not a sentimental exercise. It is a cognitive discipline: the discipline of recognizing that your perspective is not the only perspective, that your experience is not the only experience, and that the suffering of strangers is as real and as important as your own.

Demand accountability. Hold the powerful accountable -- your government, your employers, your institutions, your leaders. Do not accept the claim that power is self-justifying, that the powerful deserve their power, or that questioning authority is disrespectful. Every institution exists to serve a purpose, and when it fails to serve that purpose, it must be reformed. This requires citizens who are informed, engaged, and unwilling to accept excuses.

Support cooperation. Wherever possible, choose cooperation over competition, dialogue over confrontation, negotiation over coercion. This does not mean being naive about power or conflict. It means recognizing that cooperative solutions, when they can be achieved, are almost always better -- more durable, more just, more humane -- than solutions imposed by force.

Educate. If you have children, educate them to think critically, to question authority, to evaluate evidence, to treat others with dignity, and to understand that the world is larger and more complex than any single tradition or ideology can encompass. If you are a teacher, teach these things. If you are neither, support the institutions that do.

Vote, organize, act. Democratic participation is not merely a right but a responsibility. Every election in which you do not vote is an election in which someone else's preferences are imposed on you. Every injustice you witness and do nothing about is an injustice you have passively endorsed. Every opportunity to make a difference that you decline is an opportunity wasted.

The Role of Philosophy

What is philosophy for? The question has haunted this book from the beginning, and it deserves a final answer.

Philosophy is not for providing answers. The answers to the great questions of human existence -- how should we live? how should we govern? what is justice? what is the good? -- are not the kind of questions that admit of final answers. They are questions that must be asked again and again, in every generation, in every culture, in every new set of circumstances, because the conditions of human life change and because human understanding deepens.

Philosophy is for making the right questions unavoidable. It is for forcing us to confront the assumptions we have never examined, the contradictions we have learned to ignore, and the injustices we have agreed to overlook. It is for creating the intellectual conditions in which honest evaluation becomes possible -- in which the powerful cannot hide behind ideology, the comfortable cannot hide behind complacency, and the cowardly cannot hide behind relativism.

Socrates, the founder of the Western philosophical tradition, compared himself to a gadfly -- a stinging insect that kept the great horse of Athens from falling asleep. The metaphor is apt. Philosophy at its best is not comfortable. It does not reassure. It does not confirm what you already believe. It stings -- it forces you to wake up, to think, to question, to reconsider. And the societies that tolerate the gadfly -- that allow philosophy to do its work, that do not imprison or execute or silence the people who ask uncomfortable questions -- are, as this book has argued throughout, the societies that are most likely to flourish.

Why This Book

A personal note, which is also a philosophical one.

I have spent decades studying civilizations -- Western and Eastern, ancient and modern, triumphant and collapsed. I have taught philosophy in Europe and in China. I have read Kant in German and Confucius in Chinese. I have seen poverty in Africa and affluence in Scandinavia. I have watched authoritarianism close the minds of brilliant students and watched democracy give voice to people who had been silenced for generations.

And throughout all of this, I have been struck by a paradox so obvious that it should not need stating: the principles that would make the world better are not a secret. They are not locked in a vault. They are not known only to experts. They are known to everyone -- to the farmer in Hunan and the professor in Harvard, to the grandmother in Lagos and the teenager in Stockholm, to the activist in Tehran and the bureaucrat in Brussels. Everyone knows that suffering should be reduced, that children should be educated, that the powerful should be accountable, that people should be treated with dignity. These are not discoveries waiting to be made. They are truths waiting to be acted upon.

The gap between what we know and what we do -- between the principles we endorse and the practices we tolerate -- is the central moral scandal of the human species. And no amount of philosophical sophistication can close that gap. Only courage can close it. Only the willingness to act on what we already know, to pay the price of honesty, and to refuse the comfortable lie that the world's problems are too complex for ordinary decency to address.

This book is not, in the end, a philosophical argument. It is an act of faith -- faith not in God or in history or in progress, but in the capacity of human beings, when they think clearly and act courageously, to build a world that is worthy of them.

The Final Provocation

Let me end with a provocation that is also a confession.

There is nothing in this book that any reasonably intelligent, reasonably informed, reasonably compassionate person could not have figured out on her own. The claim that suffering should be reduced is not a breakthrough in moral philosophy. The claim that dignity should be protected is not a novel insight. The claim that liberty is preferable to tyranny, that cooperation is preferable to domination, that evidence is preferable to dogma, that education is preferable to ignorance -- none of these claims required twenty-five chapters and several hundred pages to establish. They are, in the most literal sense, common sense.

And yet.

And yet the world is full of avoidable suffering that is not being avoided. Full of dignity that is not being protected. Full of liberty that is not being expanded. Full of cooperation that is not being pursued. Full of evidence that is not being followed. Full of education that is not being provided.

If all of this is common sense, why isn't it common practice?

The answer, I believe, is not that people are stupid. Most people are not stupid. Most people, if asked in the abstract whether suffering should be reduced, whether dignity should be protected, whether children should be educated, whether the powerful should be held accountable, would answer yes. The principles are not in dispute. What is in dispute is the willingness to act on them -- the willingness to pay the costs, to bear the risks, to make the sacrifices, to confront the powerful, and to change the comfortable arrangements that benefit us at the expense of others.

Common sense is not an intellectual achievement. It is a moral one. It is not the capacity to see what is right -- that capacity is, as Mencius argued twenty-three centuries ago, innate in every human being, as natural as the impulse to save a child from falling into a well. It is the courage to do what is right when doing so is costly, unpopular, dangerous, or simply inconvenient.

Thomas Paine understood this. His Common Sense was not a philosophical treatise. It was a call to action -- a demand that the American colonists stop pretending that their subjugation by the British Crown was acceptable, stop making excuses for an arrangement that benefited the powerful at the expense of everyone else, and act on what they already knew to be true. The radicalism of the pamphlet was not in its ideas -- the ideas were, as Paine himself insisted, obvious. The radicalism was in the demand that obvious ideas be taken seriously and acted upon.

This book makes the same demand. The ideas in it are not radical. They are, with minor variations, the ideas that virtually every serious moral philosopher, in every tradition, in every century, has endorsed. Reduce suffering. Protect dignity. Expand liberty. Replace domination with cooperation. Educate the young to think for themselves. Hold the powerful accountable. Treat strangers as fully human. Evaluate claims on the basis of evidence. Do not exempt yourself from the standards you apply to others.

These are not difficult ideas to understand. They are difficult ideas to live by. The difficulty is not intellectual but moral -- the difficulty of courage in a world that rewards cowardice, of honesty in a world that rewards deception, of compassion in a world that rewards indifference, and of action in a world that rewards passivity.

The world we could build -- the world in which these principles are not merely stated but practiced, not merely endorsed but enforced, not merely taught but lived -- is not a utopia. It is not a perfect world. It is simply a world in which common sense is common practice. A world in which the obvious is done, the unnecessary suffering is ended, the avoidable injustice is avoided, and the human capacity for reason, compassion, and cooperation is given the institutional support it needs to flourish.

That world is not inevitable. It is not guaranteed. It may never arrive. But it is possible. And the fact that it is possible -- the fact that we can see it, can describe it, can identify the steps that would bring it closer -- makes our failure to pursue it not a tragedy but a choice. A choice that each of us makes, every day, in the way we think, the way we speak, the way we vote, the way we treat the people around us, and the way we respond to the suffering of those we will never meet.

Philosophy cannot make this choice for us. It can only make the choice unavoidable -- make it impossible to pretend that we do not know what is right, that we cannot see what must be done, that the questions are too difficult or the answers too uncertain. The questions are not too difficult. The answers are not too uncertain. The answers are, in fact, common sense.

The only question is whether we have the uncommon courage to act on them.