量變到質變。沒有大量的微不足道的量，產生不了愛因斯坦的質。所以，人口數量，很重要。

來源: 郭大平於 2025-07-28 14:04:29 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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