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The Will to Believe and Other Essays in Popular Philosophy

work by James

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William James's "The Will to Believe and Other Essays in Popular Philosophy" explores the idea that it can be rational to believe in something even without complete evidence, particularly when the belief is a "live option" and the decision to believe is momentous. James, a key figure in pragmatism and functional psychology, argued that beliefs can shape reality and that our "passional nature" can play a role in determining what we choose to believe, especially in matters of faith and personal significance. He suggested that sometimes, acting on an unproven hypothesis can help make that belief come true.123

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