Lecture V
I have not merely invented what I have just told you. It is an inevitable conclusion of the modern scientific view. If a scientist were to follow his way of thinking to its logical conclusion, he would arrive at what I have just told you. It is not mere invention on my part. I have brought along as an example the Introduction to Physiological Psychology in Fifteen Lectures written by the celebrated Professor Dr. Ziehen of Jena.[^4] He endeavors here to describe what is manifest in the human being as a creature of body and soul. In the course of these lectures, he speaks about all the aspects of the sensations of smell, taste, hearing, sight, and so on. I will not bother you with all that, but will just discuss a few passages in the fifteenth lecture about the will. There you will find statements such as the following: