Self-esteem is overrated. The better path to enlightenment is through contemplating one’s insignificance.

November 20, 2025, 12 PM ET

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Early in my academic career, I noticed that one of the most popular classes on campus was Introduction to Astronomy, a general-science course that anyone could take. The students all loved it—especially the non-science majors. I asked one of them, an economics student, why she enjoyed astronomy so much. She didn’t say anything about stars, but she did say something powerful about earthly existence. “When I go into class on Thursday mornings, I usually am stressed out about…

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