F. M van Helmont’s Alphabet of Nature was one of many books published about language in the early modern period. The “language debate,” as it has come to be called, was a topic of compelling interest to major figures such as Reuchlin, Rabelais, Paracelsus, Agrippa, Postel, Boehme, Kircher, Hobbes, Descartes, Comenius, Spinoza, Locke, Boyle, Newton, and Leibniz. At issue were profound questions about whether language is natural or artificial, ordained by God or created by man. The answers given entailed a web of consequences that could lead to arrest, imprisonment, even execution. It is therefore not surprising that van Helmont wrote his book while imprisoned in the dungeons of the Roman Inquisition.

"If he had lived among the Greeks, he would now be numbered among the stars." So wrote Gottfried Wilhelm Leibniz in his epitaph for Francis Mercury van Helmont. Leibniz was not the only contemporary to admire and respect van Helmont, but although famous in his own day, he has been virtually ignored by modern historians. Yet his views influenced Leibniz, contributed to the development of modern science, and fostered the kind of ecumenicalism that made the concept of toleration conceivable. The progressive nature of van Helmont's thought was based on his deep commitment to the esoteric doctrines of the Lurianic Kabbalah. With his friend Christian Knorr von Rosenroth, van Helmont edited the Kabbala Denudata (1677-1684), the largest collection of Lurianic Kabbalistic texts available to Christians up to that time. Because the subject matter of this work appears so difficult and arcane, it has never been appreciated as a significant text for understanding the emergence of modern thought. However, one can find in it the basis for the faith in science, the belief in progress, and the pluralism characteristic of later western thought. The Lurianic Kabbalah thus deserves a place it has never received in histories of western scientific and cultural developments. Although van Helmont's efforts contributed to the development of religious toleration, his experience as a prisoner of the Inquisition accused of "Judaising" reveals the problematic relations between Christians and Jews during the early-modern period. New Inquisitional documents relating to van Helmont's imprisonment will be discussed to illustrate the difficulties faced by anyone advocating philo-semitism and toleration at the time.

In Adam Boreel (1602-1665): A Collegiant’s Attempt to Reform Christianity, Francesco Quatrini offers an account of the life and thought of Adam Boreel, a leading member of the seventeenth-century Collegiant movement in Amsterdam.

This landmark volume is the first in a century to examine the “Second Period” of Quakerism, a time when the Religious Society of Friends experienced upheavals in theology, authority and institutional structures, and political trajectories as a result of the persecution Quakers faced in the first decades of the movement’s existence. The authors and special contributors explore the early growth of Quakerism, assess important developments in Quaker faith and practice, and show how Friends coped with the challenges posed by external and internal threats in the final years of the Stuart age—not only in Europe and North America but also in locations such as the Caribbean. This groundbreaking collection sheds new light on a range of subjects, including the often tense relations between Quakers and the authorities, the role of female Friends during the Second Period, the effect of major industrial development on Quakerism, and comparisons between founder George Fox and the younger generation of Quakers, such as Robert Barclay, George Keith, and William Penn. Accessible, well-researched, and seamlessly comprehensive, The Quakers, 1656–1723 promises to reinvigorate a conversation largely ignored by scholarship over the last century and to become the definitive work on this important era in Quaker history. In addition to the authors, the contributors are Erin Bell, Raymond Brown, J. William Frost, Emma Lapsansky-Werner, Robynne Rogers Healey, Alan P. F. Sell, and George Southcombe.

From a variety of perspectives, the essays presented here explore the profound interdependence of natural philosophy and rational religion in the `long seventeenth century' that begins with the burning of Bruno in 1600 and ends with the Enlightenment in the early Eighteenth century. From the writings of Grotius on natural law and natural religion, and the speculative, libertin novels of Cyrano de Bergerac, to the better-known works of Descartes, Malebranche, Cudworth, Leibniz, Boyle, Spinoza, Newton, and Locke, an increasing emphasis was placed on the rational relationship between religious doctrine, natural law, and a personal divine providence. While evidence for this intrinsic relationship was to be located in different places - in the ideas already present in the mind, in the observations and experiments of the natural philosophers, and even in the history, present experience, and prophesied future of mankind - the result enabled and shaped the broader intellectual and scientific discourses of the Enlightenment.