Marius Victorinus, a contemporary of St. Ambrose and one who had considerable influence on St. Augustine--he has been styled ""an Augustine before Augustine""--is an important Fourth-Century Neoplatonist. Before his conversion to Christianity Marius Victorinus wrote commentaries on works of Cicero and translated Aristotle's tracts on logic and some Neoplatonic books into Latin. After his conversion, probably A.D. 354, he turned his vast learning to...