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The Moral Arc: How Science and Reason Lead Humanity toward Truth, Justice, and Freedom
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The Moral Arc: How Science and Reason Lead Humanity toward Truth, Justice, and Freedom

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by Michael Shermer
 

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Bestselling author Michael Shermer's exploration of science and morality that demonstrates how the scientific way of thinking has made people, and society as a whole, more moral

From Galileo and Newton to Thomas Hobbes and Martin Luther King, Jr., thinkers throughout history have consciously employed scientific techniques to better

Overview


Bestselling author Michael Shermer's exploration of science and morality that demonstrates how the scientific way of thinking has made people, and society as a whole, more moral

From Galileo and Newton to Thomas Hobbes and Martin Luther King, Jr., thinkers throughout history have consciously employed scientific techniques to better understand the non-physical world. The Age of Reason and the Enlightenment led theorists to apply scientific reasoning to the non-scientific disciplines of politics, economics, and moral philosophy. Instead of relying on the woodcuts of dissected bodies in old medical texts, physicians opened bodies themselves to see what was there; instead of divining truth through the authority of an ancient holy book or philosophical treatise, people began to explore the book of nature for themselves through travel and exploration; instead of the supernatural belief in the divine right of kings, people employed a natural belief in the right of democracy.

In The Moral Arc, Shermer will explain how abstract reasoning, rationality, empiricism, skepticism--scientific ways of thinking--have profoundly changed the way we perceive morality and, indeed, move us ever closer to a more just world.

Editorial Reviews

Publishers Weekly
12/01/2014
Humanity is creating an increasingly just and equitable world, according to Shermer (Why People Believe Weird Things). He argues that this is occurring in large part because our understanding of the natural world has come to depend on reason and science. Shermer ranges broadly—across such fields as economics, philosophy, politics, and biology—to provide evidence for his thesis. An engaging writer, he offers persuasive data to demonstrate the moral progress that has been made with women’s rights, LGBTQ rights, and animal rights. He also documents the abolition of slavery, the reduction in violence (particularly murder rates), and the decrease in war. Shermer is less successful, however, in demonstrating that a scientific worldview should be seen as the cause for all this, and his polemical outbursts detract from the seriousness of his message. More frustrating are his blinkered views on such matters as income inequality and his omission of rampant ecosystem destruction and an increasing extinction rate in his moral calculus. Essentially an apologia for Shermer’s libertarian politics, there is still ample material here that warrants attention. (Feb.)
From the Publisher

“This is one of the best recent books that I have read, and it's the one that I expect to re-read most often. It's an honest, clear account of morality and justice that makes those theoretical concepts come alive as ubiquitous real-life choices. In the process of reading it, you'll learn about wrenching moral dilemmas such as paying ransoms to Somali pirates, maintaining nuclear weapons as deterrents, good people becoming Nazis, and the immorality of the Bible and of the Ten Commandments.” —Jared Diamond, Pulitzer-prize-winning author of the best-selling books Guns, Germs, and Steel, Collapse, and The World until Yesterday

“I suspect that people will be arguing with Michael Shermer's premise before they read a page: ‘The moral arc is bending toward truth, justice, and freedom? Is he hallucinating? Just look at...' In these cynical times, where right and left foresee disaster and despair (albeit for different reasons), Shermer's monumental opus, spanning centuries, nations, and cultures, is bound to provoke debate and open minds. Exactly what an important work of skepticism, science, and reason should do.” —Carol Tavris, Ph.D., social psychologist and author of The Mismeasure of Woman and coauthor of Mistakes Were Made (But Not by Me)

“A thrilling and fascinating book, which could change your view of human history and human destiny. If you wanted a sequel to The Better Angels of Our Nature, one which explored all of our spheres of moral progress, not just the decline of violence, this is it.” —Steven Pinker, Johnstone Professor of Psychology at Harvard University and author of The Blank Slate and The Sense of Style: The Thinking Person's Guide to Writing in the 21st Century

“It is difficult to imagine how the arc of morality can bend toward justice without rational examination of the consequences of one's actions. As Michael Shermer passionately describes in this ambitious, thoroughly researched, yet remarkably accessible work of scholarship, the fabric of modern morality derives not from religion, but in large part from secular notions of rational empiricism. This message needs to be shared more broadly for the good our society, and hopefully this book will do just that.” —Lawrence M. Krauss, Foundation Professor and Director of the Origins Project at Arizona State University, and bestselling author of A Universe from Nothing and The Physics of Star Trek

“Michael Shermer makes the astonishing claim that science, precisely because of its rational, dispassionate, and enlightened attitude towards revealing the truth, has helped to lay the moral groundwork for modern society, pointing the way to a more just and moral world. Instead of being a passive observer to the dance of history and the evolution of ethics, Shermer makes the outrageous claim that science has in fact been one of the principle actors. Bravo, I say.” —Michio Kaku, theoretical physicist, author of the best seller The Future of the Mind, and Physics of the Future

“Michael Shermer argues that science, reason, and critical thinking come first; these are the ideas that produce stable, peaceful democracies. He documents and assesses society's successes and failures through the troubled history of humankind--and he's relentless. He connects the arc of the rise of reason and science with a country's economic success, and the overall worldwide decline in violence and suppression of our fellow humans, especially women. If you are religious, have a look. Shermer takes your faith to task and celebrates science as a path to the better moral future that citizens everywhere long for.” —Bill Nye, The Science Guy, CEO, The Planetary Society

The Moral Arc displays the impressive depth of Michael Shermer's scholarship, wisdom and empathetic humanity, and it climaxes in a visionary flight of futuristic optimism. A memorable book, a book to recommend and discuss late into the night.” —Richard Dawkins, author of The Selfish Gene and The God Delusion

“Michael Shermer is a beacon of reason in an ocean of irrationality.” —Neil deGrasse Tyson

Library Journal
11/01/2014
Martin Luther King Jr. said that "the arc of the moral universe is long but it bends toward justice." Shermer (economics, Claremont Graduate Univ.; Why People Believe Weird Things; The Believing Brain; founding publisher, Skeptic magazine; editor, skeptic.com; columnist, Scientific American) discusses why science and reason are the forces behind that drive toward justice. Though religion is often considered the basis of ethics, Shermer convincingly disputes that idea, noting that organized religious communities have been relatively slow to grant civil rights and that the Bible endorses practices condemned today, such as slavery. Shermer raises uncomfortable questions about humanity's relationship with animals, concluding that the latter feel suffering and must be included in the moral arc toward justice, though it may take much time. Other difficult but important topics the author's narrative explores are the Holocaust, psychopathic behavior, and restorative vs. retributive criminal justice. His prediction that women's rights will continue to expand unabated may seem off-putting and glib in light of current struggles. VERDICT Shermer's thought-provoking, multidisciplinary book will engage anyone who wishes to understand rationalism as a force for morality. This volume discusses many dark pages in human history; the sensitive reader may prefer Patricia S. Churchland's Braintrust, which covers the neurobiological aspects of morality.—Laurie Neuerburg, Victoria Coll.-Univ. of Houston Lib.
Kirkus Reviews
2014-10-22
Skeptic magazine founding publisher Shermer (The Believing Brain: From Ghosts and Gods to Politics and Conspiracies—How We Construct Beliefs and Reinforce Them as Truths, 2011, etc.) reviews the last 400 years of human history to substantiate his claim that it is science and reason, not religion, that reveal a path to "the betterment of humanity in a civilized state.""The economic problems of today are real but tractable…even in the most impoverished places on earth such as Africa," writes the author. Brushing aside concerns about the environment, the accelerated extinction of species, looming resource shortage and political instability, Shermer predicts that by the end of the century, the levels of wealth and prosperity enjoyed in the developed world will be universal. The author believes that developments in our scientific understanding have created the conditions for an upward trend in morality, which he sees as synonymous with the advance of liberal democracies and a global economy. The author rejects the notion that religion has been the "driver of moral progress," citing superstitious practices such as the burning of witches that were sanctioned until the 18th century. Shermer agrees with the defense of science by avowed atheist Richard Dawkins but also recognizes the positive role of religious leaders such as Martin Luther King Jr. and the Dalai Lama in their fight for human betterment. Taking slavery as an example, he attributes its "legal abolition and universal denunciation" to "rational arguments and scientific refutations of slavery," which laid the groundwork for the recognition of the need to protect the rights of blacks, minorities, women, homosexuals and other persecuted groups. Shermer believes that reliance on the scientific method, multiculturalism, the free market and liberal democracy create the conditions necessary for continued progress. A well-documented but perhaps overly optimistic view of a future likely to be challenged by both environmentalists and religious fundamentalists.

To Michael Shermer, science is not a thing. It's a verb: "It's a way of thinking about things. It's a way of looking for natural explanations for all phenomena." And according to him, its thoughtful inquiries and the empirical thinking that it engenders provide optimal pointers to true morality, freedom, and truth. A fascinating look at how empiricism, rationality, and skepticism have benefits far beyond scientific research.

Product Details

ISBN-13:
9780805096910
Publisher:
Holt, Henry & Company, Inc.
Publication date:
01/20/2015
Edition description:
First Edition
Pages:
560
Sales rank:
352,285
Product dimensions:
6.30(w) x 9.40(h) x 2.00(d)

Read an Excerpt

Prologue

Bending the Moral Arc

Sunday, March 21, 1965. Selma, Alabama.

About eight thousand people gather at Brown Chapel and begin to march from the town of Selma to the city of Montgomery, Alabama. The demonstrators are predominantly African American and they’re marching on the capitol for one reason: Justice. They want simply to be given the right to vote. But they’re not alone in their struggle. Demonstrators of "every race, religion, and class," representing almost every state, have come to march with their black brothers and sisters.1 And at the front of the march is the Reverend Dr. Martin Luther King Jr., Nobel Prize winner, preacher, and civil rights activist, leading the march like Moses leading his people out of Egypt.

In the teeth of racial opposition backed by armed police and riot squads, they had tried to march twice before, but both times were met with violence by state troopers and a deputized posse. The first time—known as Bloody Sunday—the marchers were ordered to turn back but refused and, as onlookers cheered, they were met with tear gas, billy clubs, and rubber tubing wrapped in barbed wire. The second time they were again met by a line of state troopers and ordered to turn around, and after asking for permission to pray, King led them back.

But not this time. This time President Lyndon B. Johnson, finally having seen the writing on the wall, ordered that the marchers should be protected by two thousand National Guard troops and federal marshals. And so they marched. For five days, over a span of fifty-three miles, through biting cold and frequent rain, they marched. Word spread, the number of demonstrators grew, and by the time they reached the steps of the capitol in Montgomery on March 25, their numbers had swelled to at least twenty-five thousand.

But King wasn’t allowed on the steps of the capitol—the marchers weren’t allowed on state property. Sitting in the capitol dome like Pontius Pilate, Alabama governor George Wallace refused to come out and address the marchers, and Dr. King delivered his speech from a platform constructed on a flatbed truck parked on the street in front of the building.2 And from that platform, King delivered his stirring anthem to freedom, first recalling how they had marched through "desolate valleys," rested on "rocky byways," were scorched by the sun, slept in mud, and were drenched by rains. The crowd, consisting of freedom-seeking people who had assembled from around the United States, listened intently as Dr. King implored them to remain committed to the nonviolent philosophy of civil disobedience, knowing that the patience of oppressed peoples wears thin and that our natural inclination is to hit back when struck. He asked, rhetorically, "How long will prejudice blind the visions of men, darken their understanding, and drive bright-eyed wisdom from her sacred throne?" And "How long will justice be crucified and truth bear it?" In response, Dr. King offered words of counsel, comfort, and assurance, saying that no matter the obstacles it wouldn’t be long before freedom was realized because, he said, quoting religious and biblical tropes, "truth crushed to earth will rise again," "no lie can live forever," "you shall reap what you sow," and "the arc of the moral universe is long, but it bends toward justice."3

It was one of the greatest speeches of Dr. King’s career, and arguably one of the greatest in the history of public oratory. And it worked. Less than five months later, on August 6, 1965, President Johnson signed the voting rights act into law. It was just as Dr. King had said—the arc of the moral universe is long but it bends toward justice.

•••

Dr. King’s reference—the title inspiration for this book—comes from the nineteenth-century abolitionist preacher Theodore Parker, who penned this piece of moral optimism in 1853, at a time when, if anything, pessimism would have been more appropriate as America was inexorably sliding toward civil war over the very institution Parker sought to abolish:

I do not pretend to understand the moral universe; the arc is a long one, my eye reaches but little ways; I cannot calculate the curve and complete the figure by the experience of sight; I can divine it by conscience. And from what I see I am sure it bends towards justice.4

In The Moral Arc my aim is to show that the Reverends Parker and King were right—that the arc of the moral universe does indeed bend toward justice. In addition to religious conscience and stirring rhetoric, however, we can trace the moral arc through science with data from many different lines of inquiry, all of which demonstrate that in general, as a species, we are becoming increasingly moral. As well, I argue that most of the moral development of the past several centuries has been the result of secular not religious forces, and that the most important of these that emerged from the Age of Reason and the Enlightenment are science and reason, terms that I use in the broadest sense to mean reasoning through a series of arguments and then confirming that the conclusions are true through empirical verification.

Further, I demonstrate that the arc of the moral universe bends not merely toward justice, but also toward truth and freedom, and that these positive outcomes have largely been the product of societies moving toward more secular forms of governance and politics, law and jurisprudence, moral reasoning and ethical analysis. Over time it has become less acceptable to argue that my beliefs, morals, and ways of life are better than yours simply because they are mine, or because they are traditional, or because my religion is better than your religion, or because my God is the One True God and yours is not, or because my nation can pound the crap out of your nation. It is no longer acceptable to simply assert your moral beliefs; you have to provide reasons for them, and those reasons had better be grounded in rational arguments and empirical evidence or else they will likely be ignored or rejected.

Historically, we can look back and see that we have been steadily—albeit at times haltingly—expanding the moral sphere to include more members of our species (and now even other species) as legitimate participants in the moral community. The burgeoning conscience of humanity has grown to the point where we no longer consider the well-being only of our family, extended family, and local community; rather, our consideration now extends to people quite unlike ourselves, with whom we gladly trade goods and ideas and exchange sentiments and genes rather than beating, enslaving, raping, or killing them (as our sorry species was wont to do with reckless abandon not so long ago). Nailing down the cause-and-effect relationship between human action and moral progress—that is, determining why it has happened—is the other primary theme of this book, with the implied application of what we can do to adjust the variables in the equation to continue expanding the moral sphere and push our civilization further along the moral arc.

Improvements in the domain of morality are evident in many areas of life: governance (the rise of liberal democracies and the decline of theocracies and autocracies); economics (broader property rights and the freedom to trade goods and services with others without oppressive restrictions); rights (to life, liberty, property, marriage, reproduction, voting, speech, worship, assembly, protest, autonomy, and the pursuit of happiness); prosperity (the explosion of wealth and increasing affluence for more people in more places; and the decline of poverty worldwide in which a smaller percentage of the world’s people are impoverished than at any time in history); health and longevity (more people in more places more of the time live longer, healthier lives than at any time in the past); war (a smaller percentage of people die as a result of violent conflict today than at any time since our species began); slavery (outlawed everywhere in the world and practiced in only a few places in the form of sexual slavery and slave labor that are now being targeted for total abolition); homicide (rates have fallen precipitously from over 100 murders per 100,000 people in the Middle Ages to less than one per 100,000 today in the industrial West, and the chances of an individual dying violently is the lowest it has ever been in history); rape and sexual assault (trending downward, and while still too prevalent, it is outlawed by all Western states and increasingly prosecuted); judicial restraint (torture and the death penalty have been almost universally outlawed by states, and where it is still legal is less frequently practiced); judicial equality (citizens of nations are treated more equally under the law than at any time in the past); and civility (people are kinder, more civilized, and less violent to one another than ever before).

In short, we are living in the most moral period in our species’ history.

I do not go so far as to argue that these favorable developments are inevitable or the result of an inexorable unfolding of a moral law of the universe—this is not an "end of history" argument—but there are identifiable causal relationships among social, political, and economic factors and moral outcomes. As Steven Pinker wrote in The Better Angels of Our Nature, a work of breathtaking erudition that was one of the inspirations for this book:

Man’s inhumanity to man has long been a subject for moralization. With the knowledge that something has driven it down we can also treat it as a matter of cause and effect. Instead of asking "Why is there war?" we might ask "Why is there peace?" We can obsess not just over what we have been doing wrong but also what we have been doing right. Because we have been doing something right and it would be good to know what exactly it is.5

For tens of millennia moral regress best described our species, and hundreds of millions of people suffered as a result. But then something happened half a millennium ago. The Scientific Revolution led to the Age of Reason and the Enlightenment, and that changed everything. As a result, we ought to understand what happened, how and why these changes reversed our species’ historical trend downward, and that we can do more to elevate humanity, extend the arc, and bend it ever upward.

•••

During the years I spent researching and writing this book, when I told people that the subject was moral progress, to describe the responses I received as incredulous would be an understatement; most people thought I was hallucinatory. A quick rundown of the week’s bad news would seem to confirm the diagnosis.

The reaction is understandable because our brains evolved to notice and remember immediate and emotionally salient events, short-term trends, and personal anecdotes. And our sense of time ranges from the psychological "now" of three seconds to the few decades of a human lifetime, which is far too short to track long-term incremental trends unfolding over centuries and millennia, such as evolution, climate change, and—to my thesis—moral progress. If you only ever watched the evening news you would soon have ample evidence that the antithesis of my thesis is true—that things are bad and getting worse. But news agencies are tasked with reporting only the bad news—the ten thousand acts of kindness that happen every day go unreported. But one act of violence—a mass public shooting, a violent murder, a terrorist suicide bombing—is covered in excruciating detail with reporters on the scene, exclusive interviews with eyewitnesses, long shots of ambulances and police squad cars, and the thwap-thwap-thwap of news choppers overhead providing an aerial perspective on the mayhem. Rarely do news anchors remind their viewers that school shootings are still incredibly rare, that crime rates are hovering around an all-time low, and that acts of terror almost always fail to achieve their objective and their victim death tolls are negligible compared to other forms of death.

News agencies also report what happens, not what doesn’t happen. We will never see a headline that reads,

ANOTHER YEAR WITHOUT NUCLEAR WAR

This too is a sign of moral progress in that such negative news is still so uncommon that it is worth reporting. Were school shootings, murders, and terrorist attacks as commonplace as charity events, peacekeeping missions, and disease cures, our species would not be long for this world.

As well, not everyone shares my sanguine view of science and reason, which has found itself in recent decades under attack on many fronts: right-wing ideologues who do not understand science; religious-right conservatives who fear science; left-wing postmodernists who do not trust science when it doesn’t support progressive tenets about human nature; extreme environmentalists who want to return to a prescientific and preindustrial agrarian society; antivaxxers who wrongly imagine that vaccinations cause autism and other maladies; anti-GMO (genetically modified food) activists who worry about Frankenfoods; and educators of all stripes who cannot articulate why Science, Technology, Engineering, and Math (STEM) are so vital to a modern democratic nation.

Evidence-based reasoning is the hallmark of science today. It embodies the principles of objective data, theoretical explanation, experimental methodology, peer review, public transparency and open criticism, and trial and error as the most reliable means of determining who is right—not only about the natural world, but about the social and moral worlds as well. In this sense many apparently immoral beliefs are actually factual errors based on incorrect causal theories. Today we hold that it is immoral to burn women as witches, but the reason our European ancestors in the Middle Ages strapped women on a pyre and torched them was because they believed that witches caused crop failures, weather anomalies, diseases, and various other maladies and misfortunes. Now that we have a scientific understanding of agriculture, climate, disease, and other causal vectors—including the role of chance—the witch theory of causality has fallen into disuse; what was a seemingly moral matter was actually a factual mistake.

This conflation of facts and values explains a lot about our history, in which it was once (erroneously) believed that gods need animal and human sacrifices, that demons possess people and cause them to act crazy, that Jews cause plagues and poison wells, that African blacks are better off as slaves, that some races are inferior or superior to other races, that women want to be controlled or dominated by men, that animals are automata and feel no pain, that kings rule by divine right, and other beliefs no rational, scientifically literate person today would hold, much less proffer as a viable idea to be taken seriously. The Enlightenment philosopher Voltaire explicated the problem succinctly: "Those who can make you believe absurdities, can make you commit atrocities." 6

One path (among many) to a more moral world is to get people to quit believing in absurdities. Science and reason are the best methods for doing that. As a methodology, science has no parallel; it is the ultimate means by which we can understand how the world works, including the moral world. Thus, employing science to determine the conditions that best expand the moral sphere is itself a moral act. The experimental methods and analytical reasoning of science—when applied to the social world toward an end of solving social problems and the betterment of humanity in a civilized state—created the modern world of liberal democracies, civil rights and civil liberties, equal justice under the law, open political and economic borders, free markets and free minds, and prosperity the likes of which no human society in history has ever enjoyed. More people in more places more of the time have more rights, freedoms, liberties, literacy, education, and prosperity than at any time in the past. We have many social and moral problems left to solve, to be sure, and the direction of the arc will hopefully continue upward long after our epoch so we are by no means at the apex, but there is much evidence of progress and many good reasons for optimism.

Copyright © 2015 by Michael Shermer

Meet the Author


Michael Shermer is the author of Why People Believe Weird Things, The Believing Brain, and eight other books on the evolution of human beliefs and behavior. He is the founding publisher of Skeptic magazine, the editor of Skeptic.com, a monthly columnist for Scientific American, and an adjunct professor at Claremont Graduate University. He lives in Southern California.

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The Moral Arc: How Science and Reason Lead Humanity toward Truth, Justice, and Freedom 5 out of 5 based on 0 ratings. 1 reviews.
Anonymous More than 1 year ago
Anything written by Shermer gets my attention and admiration. This book makes an important contribution to his work. We need people like Shermer in the world; they are voices of reason in a society tragically fixated on appearances and entertainment.