The Moral Arc: How Science And Reason Lead Humanity Toward Truth, Justice, And Freedom

What if the relentless expansion of human rights, justice, and freedom is not a matter of luck or divine providence, but the inevitable product of science and reason applied to the moral sphere? In The Moral Arc, renowned skeptic and science historian Michael Shermer presents a sweeping, evidence-driven argument that the arc of the moral universe bends not by fate, but by the application of rational thought — chronicling humanity's long, hard-won ascent from tribalism, superstition, and cruelty toward a civilization defined by expanding circles of empathy and justice. Drawing on a vast range of disciplines — from evolutionary biology and neuroscience to economics and political theory — Shermer illustrates how the scientific method, when turned upon our ethical lives, has consistently produced moral progress, dismantling slavery, advancing gender equality, and reducing violence on a global scale. Ambitious in scope and unflinching in its empiricism, The Moral Arc stands as a landmark work of secular moral philosophy, arguing with passionate clarity that the Enlightenment project is not dead but very much alive. Shermer's prose is authoritative yet accessible, weaving grand historical narratives with sharp analytical precision, compelling the reader to reconsider every assumption they hold about the origins of good and evil. For anyone who has ever wondered whether humanity is truly getting better — and what force is driving that change — this book offers a profound and startling answer.