Combining Texts

You have chosen 'The Periodic Table' by Eric R. Scerri, 'Lectures on the Philosophy of Religion' by Georg W.F.Hegel and 'The Character of Physical Law' by Richard P. Feynman

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All the ideas for Thought, or select a subheading:
      A. Modes of Thought
      B. Mechanics of Thought
      C. Content
      D. Concepts
      E. Abstraction