All poisonous substances, when applied in an alternative way, can be medicinal. One could say that all substances are both toxic and therapeutic. Of course, if you drink a few buckets of water in succession, it works like poison; If you drink it in the proper quantity, it is nutritious, and if one drinks it in minimal amounts, it can be medicinal.
In general, by employing various methods, water has a potent healing ability. One can, therefore, say of most ordinary substances, that a poisonous substance can also become a medicine. Consequently, one must recognize how such an element works, including the effect it has on the human constitution.
Source (German): Rudolf Steiner – GA 348 – Über Gesundheit und Krankheit – Dornach, January 13, 1923 (page 250)
Translated by Nesta Carsten-Krüger
Previously posted on September 25, 2018