About the book: 2016 / The most voluminous and most mysterious work of Helena Blavatsky opens the way for the reader to comprehend the greatest secrets of the universe: the origin and evolution of the Universe and humanity, the true essence of all world religions and their unity, the feeling of the beating pulse of the One Life - eternal, invisible and omnipresent. The main provisions of the Secret Doctrine - the foundations of all religious and philosophical movements ever known to humanity, the guide of which was Helena Blavatsky, lead each of us to the purification of the soul and a return to To the Primordial Unity - Brotherhood of Humanity.