 He was then made professor of Sacred Scripture and also of Hebrew, to which branches he had been thoroughly formed by Garnier, a scholar, says Ernest Renan, "who had a very solid knowledge of languages and the most complete knowledge of exegesis of any Catholic in France" ("Souvenirs d'enfance et de jeunesse", 269).Le Hir continued in this teaching till his death, about thirty years later, and through his own work and that of his pupil, Renan, he influenced powerfully the revival of Biblical and Oriental studies in France.Renan regarded him as the best Hebrew and Syriac scholar of France in his generation, and one, moreover, who was thoroughly versed in Biblical science, including the current German works, whose theories he combatted.