You have chosen 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer, 'The Principles of Science' by William S. Jevons and 'On the spiritual perfection of life' by Thomas Aquinas
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
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