“ In his later years he gave himself up to the study of mathematics and philosophy. He became bishop of Châlons-sur-Saône in 1578, and in 1587 appeared his Discours philosophiques. He was a zealous defender of the cause of Henry III. against the pretensions of the Guises. This attitude brought down on him the vengeance of the league; he was driven from Châlons and his château at Bissy was plundered. He survived all the members of the Pléiade and lived to see the onslaught made on their doctrines by Malherbe. ”