References The topics of these reflections are treated in greater detail in the following volumes of the Izvor Collection: N° 202 – Man, Master of his Destiny; N° 204 – The Yoga of Nutrition N° 216 – The Living Book of Nature N° 225 – Harmony and Health N° 226 – The Book of Divine Magic N° 234 – Truth: Fruit of Wisdom and Love Table of Contents The living chain of created beings Harmony with the cosmic body Consciousness of unity Individual life and collective life The science of life Microcosm and macrocosm: the law of correspondences The basis of economics: planning We receive for free; we must give for free Life is made solely of exchanges Re-establishing contact with universal life Working with nature spirits Greeting creation