Take a long slip of paper…

How can we (pardon the pun!) wrap our minds around the immateriality of the intellect, the non-materiality of the mind, and, thus, the human soul of which it is the chief power?
If I were to write one vertical hash mark, on an infinitely long slip of paper, for every number in the set of natural [...]

A is to B as…

The material (as sheer undifferentiated causal space) is to the physical (or, corporeal) as the physical is to the sensible.
The sensible is to the mental (i.e., as the realm of percepts) as the mental is to the intellectual (i.e., as the realm of concepts).
The intellectual is to the mental as the divine is to the [...]