XIII. On the Essential Nature of Illness and Healing

The way to penetrate these matters with clear knowledge will be found when we observe the kind of effects which a particular substance unfolds along the paths of metabolism. Take sulphur for example. It is contained in protein. It is indeed fundamental to the whole process which takes place in the absorption of protein food. It passes from the foreign etheric nature, through the inorganic state into the etheric activity of the human organism itself. It is found in the fibrous tissues of the organs, in the brain, in the nails and hair. Thus it finds its way along the paths of metabolism out to the periphery of the organism. In all these ways, sulphur proves to be a substance which plays an essential part in the reception of proteins into the domain of the human etheric body.