Partial Contents: Breath is Life; Master-key of creation; How to gain and use the master key; Evolution of the Tattvas; Happiness vibrations; Manifestations of Prana; Planetary influences upon the Tattvas; Activities of the macrocosm in the microcosm; Vital centers for concentration; Connection of the Zodiac with vital centers; Crown of concentration; Sequence of numbers; Seven-fold constitution of humanity; Color in the visible and invisible world; Auric envelope; Practical application of these laws.