Book Review: Life Is Simple: How Occam’s Razor Set Science Free and Shapes the Universe by Johnjoe McFadden

Cover of the book Life Is Simple: How Occam's Razor Set Science Free and Shapes the Universe by Johnjoe McFadden
Life Is Simple: How Occam’s Razor Set Science Free and Shapes the Universe
by Johnjoe McFadden
Basic, 2021

This review was first published by Booklist on September 1, 2021.

Occam’s razor, “Do not multiply entities beyond necessity,” is more than just a useful tool. McFadden believes it’s the key that unlocked the potential of modern science. More than a search for truth, science is a search for simplicity, where every major paradigm shift leads to a simplification of our understanding of the cosmos. McFadden places the Franciscan friar William of Occam in the historical context of the fourteenth century, exploring the religious and intellectual culture that gave rise to his philosophy. He then traces how his eponymous razor, ideas of nominalism, and his insistence on the separation of science from religion influenced the subsequent course of science in the Western world. From Copernicus, Galileo, and da Vinci to Darwin, Einstein, and Planck, encompassing mathematics, physics, statistics, and biology, Occam set us on a path to seek simpler solutions. As it turns out, simplicity appears to be a bedrock of our universe. This is a compelling assessment of an idea many of us know but few deeply understand. William’s legacy is one for the ages.

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