Lecture II
The materialist imagines that here is a nerve (see diagram, red) and this nerve produces something as a picture. No, that is not the reality. In reality the conceptual life proceeds, and while it proceeds it destroys the organic matter, creates, as it were, a groove of waste matter within the nerve (black). That is a deposit created by the life of concepts, something excreted from the organism. And the nerve is the excretory organ for the conceptual life.
Read this passage in another edition
DEoriginalENEnglish