8. They did not have any deep and covered wells, and no one would drink water from a spring to which the sunlight could not penetrate, for they knew, and could also see it, that bad and sometimes even evil spirits dwell in such water until they are driven out through the power of the heavenly sunlight.
9. Look, there lies a deep truth in what has been said so far, for the light of the sun carries purer spirits with it, as you can well imagine. These spirits are closely related to the substantial parts of the human soul. When the soul is strengthened through the influence of such pure spirits it can easily and quickly overcome some weakness in its body, since the health of the body always solely depends on a sufficiently strong soul.