Lecture II

Now let us examine these difficulties rather more closely. We will point the way by asking: What does ordinary human thinking consist in from the time of waking to that of failing asleep? In what does it consist? How whoever thinks in a grossly materialistic way holds the following opinion—that men have a brain that is of extraordinarily delicate construction, that in this brain processes go on and because they do so thinking arises. Thinking is a consequence of this brain-process; so he says.