A large woodcut ornamental drop cap letter 'M' features an angel radiating light, symbolizing the divine origin of medical knowledge.

WITH GOD THE PHYSICIAN

CHRIST!

PREFACE.

The Magnetologia science of magnetism of some ancient Gentiles was their Theology, treating it as little less than both pages implying both sides of a theological text or the whole of sacred scripture among its highest and divine mysteries. This slothful negligence in scrutinizing the more obscure things of nature, especially magnetic virtue, cast this superstitious people headlong into the deep vortices of idolatrous ἀπονοίας folly/madness. Since these very admirable works of nature required a more diligent examination, they excited this idolatrous form of worship in their admirers, for whom it was better to venerate and admire the hidden things devoutly than to investigate them anxiously. Joh. Fr. Herwardt taught this very thing in a special writing, which he printed at Monachium Munich and entitled: Mysteries of Ethnic Theology, the Magnet Stone worshipped by the Ancients as God. Nor are there wanting, even among more recent philosophers who think more soundly, those who, having admired the obscure nature of the Magnet and Magnetisms more intensely than they investigated them diligently, have constituted certain occult qualities as their Idolum Idol and Apollinem Apollo in the shrine of ancient Physics, which