Original (inglés)

Man or Matter MAN OR MATTER Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought by ERNST LEHRS Ph. D. Contents PREFACE Part I SCIENCE AT THE THRESHOLD I. INTRODUCTORY The author's search for a way of extending the boundaries of scientific understanding. A meeting with Rudolf Steiner, and with the work arising from his teachings. II. WHERE DO WE STAND TO-DAY? The self-r