These lectures were delivered in New York, during the winter of 1940. Contents: Education; Yoga; Fourth Dimension; Symbols and Sacraments; Magic and Mystery of Number; Archetypes; Art and the Machine Age; Skyscrapers; Harnessing the Rainbow; The Theater; Footprints of the Eternal Fugitive; Gift of Asia; Ritual of Play; Where Are You Going, My Pretty Maid? Androgyne; Modern Idolatries; Emerson: Mouthpiece of the American Spirit; Preparedness for Peace.