XVII. Knowledge of Substance as a Basis for the Knowledge of Medicaments

By the use of therapeutic substances from the plant kingdom, we shall thus be able to remedy a disturbed relationship between the etheric and astral activities. But such medicaments will not suffice when anything in the physical, etheric and astral organization of man is disturbed, in connection with interplay with the organization of the ego. The ego-organization must direct its activity to processes which are tending to become mineral.