This book contains ideas about the concept and essence of power - spirituality, which is the basis of human spiritual experiences and his inner world in human life and social activity. Spirituality is the incomparable power that purifies a person spiritually, encourages him to grow in heart, strengthens his inner world, strengthens his will, strengthens his faith, awakens his conscience, is the criterion of all his views. today spirituality is as necessary to us as water and air! while reading the book you will get detailed information about spirituality, the essence of its content, spiritual principles and categories.