15. Spiritual Science, Natural Science and Technology

But for the spiritual researcher it is so, simply because he has experienced such things as I have described to you - though only in outline, to stimulate interest, not to convince - for the spiritual researcher it is so that he must say to himself: I assume that someone is examining the changes in a human organism, say the changes in the heart every five years. I follow how the human heart or another organ changes over the course of five or ten years, what happens there. And now I calculate what I have seen, if I simply consistently deduce from what I have calculated what it was like three hundred years ago. I get a certain result, albeit purely arithmetical, as to what this human heart was like three hundred years ago. The only objection to this is that this heart did not even exist at that time. Just as correct as the geological approach would be to conclude from the small changes in the human heart what that heart was like three hundred years ago – only it was not even there at that time. Equally correct – for I fully recognize that what geology reveals has at least a relative correctness – is also everything that is deduced from the geological facts for the development of the earth. But then we transpose what presents itself to us as a consequence of our calculations into times when the earth did not yet exist in its present form. Or we transpose what arises from our observations, which were made over a limited period of time, into an epoch that lies millions of years ahead, by calculating an end state and speaking of entropy or the like. For the spiritual researcher, this is the same as if he were to calculate what the nature of the human heart will be after three hundred years.