This book describes the fundamental principles of teaching the art of mindfulness, explains why many spiritual seekers are unable to find what they are looking for and what is lacking in their efforts. From a practical standpoint, certain important elements of existence are clarified and the difficulties arising in the transmission, reception and assimilation of knowledge are described. In conclusion, the reader's attention is drawn to certain manifestations of human psychology, knowledge of which will allow them to develop a new vision of themselves.