Read in an attempt to keep my Latin in serviceable order. ( )

PLATONIC THEOLOGY. VOLUME 2: BOOKS V-VIII

BOOK V

Every rational soul is immortal
First proof: that rational soul moves of itself and in a circle.

We put all these souls at the level of the third essence! and hold
them to be immortal on the general principle that they are the first
to be moved; and because they are the first to be moved, they are
moved in a circle.

Because they are the first to be moved, they are moved for ever.
For where the first movement is, there is perpetual movement. For
if the source of movement were to dry up, nothing else in nature
would be moved. Again, what is moved first provides internal and
external movement to itself. Internal movement is life; so it sup-
plies life to itself. Because it never abandons itself (for perpetual
love of itself is innate in every nature), it never stops living. For if
what is moved by another clings to the mover as long as it is being
moved, then a fortiori what is moved by itself, in that it is the same
as the mover and is never abandoned by the mover, never stops
being moved.

Furthermore, if we suppose it to die at some point in time, then
either it will stop existing before it stops being moved, or vice
versa, or both at the same time. The first is not possible, because
movement cannot continue separated from essence; nor is the
second, because spontaneous movement is the constant companion of
anything that initiates its own movement. Nor is the third possible,
because destructive change cannot ever erupt from within that
which is the source of vital and life-giving movement; and it cannot
happen from without, for a source of movement is not moved
from elsewhere. This then is the particular property of the third...