About the book: year / The writings of St. Cassian the Roman reveal a subtle understanding of spiritual life and spiritual subjects, deep humility and purity of heart. In his writings, the Monk Cassian supports the dogmas of the teachings of the Orthodox Church, strengthening them with his deep faith and serious theoretical training as a scientist-theologian, therefore, for those striving to achieve the highest moral perfection, the book can become a reference book. For all those interested in issues of the Orthodox faith.