Throughout the book several principles of existence, which allow understanding how it processes, are presented. Through the various chapters is possible to understand the cycles of life, how it transforms and what the influence of karma is. It is considered as the core element of this work the fact of contributing to the learning of the divine rules and understanding of how they interact constantly in our reality. Therefore, is enunciated a broad set of rules and how they influence the transformation of reality, in a cycle of which we are co-creators. Among others, the topics covered are the positive and negative energy, the change of reality and consciousness, as well as the repetition of the experiences and permanence of emotions in time. Altogether, the various chapters intend to direct to the knowledge of the path of the spirit, its challenges and the way this is all processed in a single plane, as it is our life.