15. Spiritual Science, Natural Science and Technology

From the mere knowledge of nature, one notices how the physical changes and transformations, with youth, with old age and so on, also change the states of the soul. With scientific thinking, one can go further physiologically. It can be shown how the nervous system and the brain actually express the structure and configuration of our thinking. And if you follow the matter consistently from one side, you can say: Yes, something emerges from something else, which today could only be stated hypothetically, that which is thinking, that which is life in thought.