The Basis of Morality by Part 2 Chapter 4 Page 71

without co-operation of the body. In this case it was intellectus purus, being composed of concepts, belonging exclusively to itself, and of the corresponding acts of will, both of which were absolutely spiritual, and had nothing sensuous about them — the sensuous being derived from the body.

So that it perceived nothing else but pure Abstracts, Universals, innate conceptions, aeternae veritates, etc.; wherefore also its volition was entirely controlled by purely spiritual ideas like these. On the other hand, the soul's lower faculty of Perception and Volition was the result of its working in concert and close union with the various organs of the body, whereby a prejudicial effect was produced on its an mixed spiritual activity. Here, i.e., to this lower faculty, was supposed to belong every intuitive perception,