All nuclei at the base of the brain, protuberance, cerebral peduncles, and cerebellum with its peduncles, correspond to the Visual Wheel.
The brain, with its cortical substances, white and grey, corresponds to the Crown Wheel.
In superior extremities there are many secondary centers.
A hand has 16 important secondary centers.
The first of these is in the center of the palm and rules the sense of tact at large, being an astral deposit, or center, of the air.
For esoteric teachings, the eye bottom is very significant. Through atomic physical vibrations already considered, it gets from the interior of the organism, negative potential vibrations, which reflect the vital state of it.
Kidneys are in charge of secreting and excreting urine.
In this research we have to consider the rhythmic labor of kidneys quite important.
This rhythm is changed in certain persons; and often, just one of them is working, despite both are apparently healthy.
To keep the organism healthy and to cure sickness when its vital balance has been lost, it is indispensable to restore the harmony among the different atomic groups.
This harmony should ever exist according to the ancient motto: “Medici tibi fiant haec tria: mens laeta, requiens, moderata diaeta”.
The first advisable exercise increases the number of ponderable atoms in case of disease.
The practitioner, seated with his back to the sun, and legs and arms crossed, fixes his sight at the level of his shade, imagining he is surrounded by a golden halo; then he will move, slowly and alternately, hands and feet of the same side, and will try to breath rhythmically and slowly through both nasal cavities at the same time.