His Reasonableness of Christianity (1695) is the thesis of " a whole century " of theologians.
The first two books enable us better than anything else in ancient literature to appreciate the boldness and, on the whole, the reasonableness of the ancient mind in forming hypotheses on great matters that still occupy the investigations of physical science.
Luther and his sympathizers were blind to the reasonableness of the fundamental teachings of these " brethren."
Even granting the reasonableness of the triple manifestation of the Divine Spirit, how is one to reconcile all these idolatrous practices, this worship of countless gods and godlings, demons and spirits indwelling in every imaginable object round about us, with the pantheistic doctrine of the Ekam Advitiyam," the One without a Second "?
(3) A Second Vindication of the Reasonableness of Christianity (1697).