 His first work was a paraphrase of the "Book of Job" in Latin hexameters (1637), resumed and accompanied by a commentary in 1679.He published also "Theurgicon" (1644), on the miracles of Christ, "Elegiarum liber" (1656), "De ludicra dictione" (1656); took an active part in the Jansenistic controversy ("Cornelius Jansenius Iprensis suspectus", Paris, 1650), and defended himself against the charge of having written pamphlets concerning the Calaghan affair (De libello supposititio dissertatio, 1653).In this last writing he defined accurately the style of the Port Royal writers before the "Provinciales"