Book (Practical) Religion, philosophy and self-development 「, true affluence, 」, Bushman knows.

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Religions, Philosophies, and Self-Development
「 Diligence is not a virtuous 」. For 200000 years before we started farming, we had a much richer life with much fewer work hours than we do now. Is our way of thinking about 「 Labor 」 「 Affluence 」 correct? This is an ambitious work by a spirited anthropologist who thoroughly examines the "common sense" of modern civilization.