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The Riddle of the Universe
by Ernst HAECKEL (1834 - 1919)Chapter 18
The Riddle of the Universe is the philosophical work of Ernst Haeckel, eminent biologist, in which he explores the meaning of life, the nature of reality, and the connection between physiology and thought. (Summary by A. Gramour)
Listen next episodes of The Riddle of the Universe:
Chapter 19 , Chapter 20