Combining Texts

You have chosen 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero, 'Precepts for Advancing Science and Arts' by Gottfried Leibniz and 'Economy and Society' by Max Weber

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All the ideas for Natural Reality, or select a subheading:
      A. Classical Physics
      B. Modern Physics
      C. Space
      D. Time
      E. Cosmology
      F. Chemistry
      G. Biology