St. Vincent of Lérins

May 24

Author of Commonitorium Against Heresies

St. Eucherius of Lyons, describes St. Vincent of Lérins as “a man pre-eminent in eloquence and learning”.

Little is known of his early life, though it seems that he was a soldier before taking the religious habit on the Mediterranean island of Lérins, now St. Honorat Island, after its founder.

His fame rests on his work, Commonitorium Against Heresies, which he wrote three years after the Council of Ephesus. Because of the many heresiarchs, each proposing a different heresy in the first centuries of the life of the Catholic Church, St. Vincent felt the need and the calling to define what constitutes heresy.

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