'However much we cultivate and refine our five senses they will always be severely limited in scope for they belong to the physical plane: they will never be capable of exploring any reality above or beyond the physical. In order to experience other, new sensations, we must call into play those other, subtler organs and centres which we all possess.
1. Human Evolution and the Development of the Spiritual Organs 2. The Aura 3. The Solar Plexus 4. The Hara Centre 5. Kundalini Force 6. The Chakras: The Chakra System I. - The Chakra System II. Ajna and Sahasrara.