VII. Modern Man and His World Conception
It will not be possible to evade the theory of relativity for the physical world, but precisely this fact will drive us to a knowledge of the spirit. What is significant about the theory of relativity is the fact that it proves the necessity of a science of the spirit that is to be sought in spiritual ways, independent of the observation of nature. That the theory of relativity forces us to think in this way constitutes its value within the development of world conception.
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ENAP1973