Lecture V

Many of the expressions used by Aristotle are no longer understood. However, they are reminders that there was a time when the individual members of man's soul being were known; not until Aristotle did they become abstractions. Franz Brentano made great efforts to understand these members of man's soul precisely through that thinker of antiquity, Aristotle. It must be said, however, that it was just through Aristotle that their meaning began to fade from mankind's historical evolution. Aristotle distinguishes in man the vegetative soul, by which he means approximately what we call ether body, then the aesthetikon or sensitive soul, which we call the sentient or astral body. Next, he speaks of orektikon which corresponds to the sentient soul, then comes kinetikon corresponding to the intellectual soul, and he uses the term dianoetikon for the consciousness soul. Aristotle was fully aware of the meaning of these concepts, but he lacked direct perception of the reality. This caused a certain unclarity and abstraction in his works, and that applies also to the book I mentioned by Franz Brentano. Nevertheless, real thinking holds sway in Brentano's book. And when someone devotes himself to the power of thinking the way he did, it is no longer possible to entertain the foolish notion that man's soul and spirit are mere by-products arising from the physical-bodily nature. The concepts formulated by Brentano on the basis of Aristotle's work were too substantial, so to speak, to allow him to succumb to the mischief of modern materialism.