This led him to expound a kenotic doctrine of the incarnation (clearly influenced by Bishop Charles Gore and Thomasius).
Though after 1680 he led a quiet and retired life, he was recognized widely by the scholars of his time, such as Thomasius and Bayle, Jean Le Clerc and Walch, as a man of great learning; and his zealous participation in the cause of Antoinette Bourignon did not injure his good name as a devout mystic and an honorable man.