Page 39 of the pamphlet – (At 4th line from the end of the page. Line starts: 'nireh...') [page 30 in the book]. For text see below.
Questions and comments:
As the essential level fire is not hot. At essence the fire is involved in being what it is, and not affecting anything. For this reason it is more able to intermingle with its opposite. At this level it is not a metziut (something that enables and justifies its existence).
Essence does not need to be enabled and does not need to be justified.
At this level it is just a reflection of its Creator. It is a presence without any prior facilitation.
The RAMBAM says that to know such a Presence is the first principle of wisdom.
Wisdom is a statement of how things should be, versus how things work out circumstantially.
They intermingle. We're not saying they are inter-included.