Answer: All of nature is the will to receive, to be filled, to enjoy. This is the foundation of nature. The mind is given to us in order to use this desire correctly. Therefore, the mind serves the desire.
The heart is our most central starting point, the most central desire. Therefore the awakening desire for spirituality is called point in the heart.
From KabTV’s “Fundamentals of Kabbalah,” 2/2/20