"St. Benedict's Rule for Monasteries" by Abbot of Monte Cassino Saint Benedict is a book of precepts written in Latin around 530. Designed for monks living communally under an abbot, it establishes guidelines for monastic life centered on the motto "pray and work." The Rule charts a moderate path between individual zeal and rigid institutionalism, addressing the needs of community living through order, human relationships, and spiritual growth. Used by Benedictines for fifteen centuries, it became one of the most influential guides in Western monasticism.