Lecture XIII
If in spiritual science (anthroposophy is, after all, only a name) genuine investigation is made into how the potato nourishes the human being, the potato is found to be something that is not completely digested by the digestive organs, but it passes into the head through the lymph glands, through the blood, in such a way that the head itself must also serve as a digestive organ for the potato. When potatoes are eaten in large quantities, the head becomes a kind of stomach and also digests.
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