In modern physical science the opposition, first observed to exist in magnetism as polarity, has come to be regarded as a universal law pervading the whole of nature.

在近代自然科学里，最初在磁石里所发现的两极性的对立，逐渐被承认为浸透于整个自然界的普遍规律性。

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The humanists reveled in form and esthetics but knew next to nothing of gravity, magnetism or the Second Law of Thermodynamics.

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