Combining Texts

You have chosen 'Thus Spake Zarathustra' by Friedrich Nietzsche, 'Remarks on the forces of inorganic Nature' by J.R. Mayer and 'Time and Free Will' by Henri Bergson

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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