The single most important document on monastic life that helped to shape Western society Composed in Italy around 530 AD but based on earlier compilations, The Rule of St Benedicthas been the defining guide to daily prayer and work for Benedictine communities for fifteen centuries. The Rulealso embodies the idea of a written constitution, authority limited by law and under the law, and the right of the ruled to review the legality of their superiors’ actions—ideas at the heart of the West’s most treasured civic institutions. This is a fundamental contribution to the tradition of simple living that continues to experience a renaissance.