 The publication of his letters by Ingold shows that Jansenism was with Le Camus more a matter of personal sympathy and spiritual discipline than of doctrinal tenets.Made against his will Bishop of Grenoble in 1671, he proved himself zealous almost to excess in reforming abuses in his diocese.In the affair of the "régale" he acted as intermediary between Rome and Versailles, and showed creditable courage before the omnipotent Louis XIV.