One of his great merits is that he was the first to dissociate medicine from priestcraft, and to direct exclusive attention to the natural history of disease.
The bitterness of his outspoken invective against the clergy, against all priestcraft and priesthood, was a new feature in deistic literature, and injured the author more than it furthered his cause.
Against superstition, fanaticism and priestcraft they protested unceasingly.
Third, I consider priestcraft and superstition the greatest obstacle to human improvement and happiness.
Besides these works he wrote A Letter to Mr Dodwell, arguing that it is conceivable that the soul may be material, and, secondly, that if the soul be immaterial it does not follow, as Clarke had contended, that it is immortal; Vindication of the Divine Attributes (1710); Priestcraft in Perfection (1709), in which he asserts that the clause "the Church.