Saint Próspero of Aquitania

Commemoration of St. prosper of Aquitaine, who trained in philosophy and letters, led a full and modest life with his wife. Having embraced the monastic life in Marseilles, he defended vigorously against the pelagian doctrine of St. Augustine on divine grace and the gift of perseverance, and in Rome he was clerk of the Pope [saint León I Magno] (c. 463).