Salviani Presbyteri Massiliensis Opera Omnia is a comprehensive collection of the works of Salvianus, a 5th-century Christian writer and theologian from Massilia (modern-day Marseille, France). The book is edited by Franciscus Pauly and includes all of Salvianus' surviving writings, including his most famous work, De Gubernatione Dei (On the Governance of God), which explores the question of why the Roman Empire is falling apart despite its Christianization...