Man's Threefold Nature and Relationship to Remedies

But whereas, if we enter more deeply into the lower man we descend out of the formative force of intestinal flora into that of intestinal fauna, we come, if we ascend in man, out of the region where the intestinal flora is combated, into the region where there must be a continual combating of the tendency of man to become mineralised, to become sclerotic. You can observe externally in the greater ossification of the human head how the tendency towards mineralisation increases the more man develops upwards.