 He was one of the last, and was perhaps the most precise in language, of those whose written teachings paved the way for Saint Margaret Mary Alacoque and her mission, and helped to prepare the Catholic mind for the great devotion of modern times.To him also Catholics owed the first Latin edition (Cologne, 1536) of the "Revelations of Saint Gertrude".The best known of his treatises is the "Alloquia Jesu Christi ad animam fidelem", which has been translated into Spanish, Italian, French and English.