Enlightenment Now

The Case for Reason, Science, Humanism, and Progress

Steven Pinker

22 min read
1m 21s intro

Brief summary

Enlightenment Now presents a data-driven case that the world is measurably better than it has ever been. It argues that by continuing to apply the Enlightenment ideals of reason, science, and humanism, we can solve our most pressing problems.

Who it's for

This book is for anyone concerned about the state of the world who wants a fact-based, optimistic perspective on human history and our future.

Enlightenment Now

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The Foundations of Human Progress

The Enlightenment was not a single historical event but a profound shift in human perspective defined by reason, science, humanism, and progress. Reason is the standard that holds our beliefs accountable to objective evidence rather than faith or gut feelings. Science refines this reason to help us understand the natural world, transitioning humanity away from superstition. Humanism provides a secular foundation for morality that prioritizes the well-being of individual people over the glory of nations. Together, these ideals create the realization that we can track our successes and failures to deliberately make the world a better place.

To understand the human condition, we must recognize the physical reality of entropy. The laws of thermodynamics dictate that the universe naturally tends toward disorder and decay. Because there are vastly more ways for things to go wrong than right, misfortune, poverty, and disease are the default states of existence. Human striving is essentially a continuous war against this natural disorder. We must constantly deploy energy and knowledge to carve out safe, beneficial refuges for ourselves.

The primary tool we use in this struggle is information processing. The human brain transforms information about the physical world into internal mental models, allowing us to perform the computations necessary for intelligence. We do not just react blindly to our environment; we manipulate these mental models to predict the future and solve complex problems. Furthermore, we use language to share the fruits of our experience across generations. This shared knowledge, combined with captured energy, forms the foundation of human survival and advancement.

Despite our intelligence, humans are burdened by evolutionary adaptations suited for a harsh, ancient environment. We are naturally prone to tribalism, magical thinking, and hostility toward those who disagree with us. However, human cognition possesses the ability to think abstractly and reflect on its own errors. By establishing social norms like free speech, nonviolence, and empirical testing, we create a community where true beliefs can emerge from open debate. These institutions allow us to channel our narrow interests into universal benefits.

Ultimately, our commitment to reason provides a profound answer to why we should continue to live and strive. We are the heirs to billions of years of life, endowed with the capacity to love, respect, and help others. Because logic dictates that our own well-being is no more special than anyone else's, we have a responsibility to foster the welfare of all sentient beings. History clearly demonstrates that when we apply our ingenuity to improve the human condition, we achieve real, measurable progress.

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About the author

Steven Pinker

Steven Pinker is a Canadian-American cognitive psychologist, psycholinguist, and public intellectual who is the Johnstone Family Professor of Psychology at Harvard University. An advocate of evolutionary psychology and the computational theory of mind, his academic specializations include visual cognition and language acquisition. He is known for his theory that language is an innate faculty of the mind that evolved as an adaptation for communication.

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