 In 1825, he went to Paris, and five years later founded the "Annales de philosophie chrétienne" (first number 31 July 1830) which he edited until his death.His main objective was to show the agreement of science and religion, and to point out how the various sciences contributed to the demonstration of Christianity.In 1838, he also took up the direction of the "Université catholique" founded two years earlier by Gerbet, Salinis, Scorbiac, and Montalembert.