15. Spiritual Science, Natural Science and Technology

In this case, one is not speculating about the connection between body and soul, but rather one is pursuing, in a completely empirical way, as one is accustomed to doing as a natural scientist, only with more highly developed methods of thought, that which can be observed. Only the whole of what one has around one is also observed spiritually. And so one comes to speak no longer in an abstract, nebulous way about the interaction of body and soul and spirit, but one states how at a certain age a force works physically, which then emancipates itself as a spiritual-soul force at a different age. And one comes to enter with the spirit into the material, to understand the material spiritually. That is the peculiar thing, that materialism has not understood the material, that it actually stands before matter in such a way that it remains incomprehensible to it. Materialism has not understood matter. Spiritual science, which is meant here, advances to the understanding of the material through its spiritual method. And it was indeed extremely interesting for the doctors and medical students who were listening [to the course for medical professionals] that they were able to be shown how one can really arrive at an effective representation of the spiritual and soul in the physical, how one can, for example, show how the heart, in its function, can be understood in a completely different way from the methods of today's physiology or biology, based on spiritual science.