Printed in Manuscript for the members only of the School of
Spiritual Science, Goetheanum, Class One. No person is held
qualified to form a judgment on the contents of these works who
has not acquired — through the School itself or in an
equivalent manner recognized by the School — the requisite
preliminary knowledge. Other opinions will be in so far disregarded
as the authors of the works in question are not willing to take
them as a basis for discussion.