" Even by the end of the seventeenth century, fifty years before our starting point, there was no shortage of people in Europe who felt that the Christian religion had been gravely discredited. Protestants and Catholics had been killing each other in the hundreds of thousands, or millions, for holding opinions that no one could prove one way or the other. The observations of Kepler and Galileo transformed man’s view of the heavens, and the flood of discoveries from the New World promoted an interest in the diversity of customs and beliefs found on the other side of the Atlantic. It was obvious to many that God favored diversity over uniformity and that Christianity and Christian concepts—like the soul and a concentration on the afterlife—were not necessarily crucial elements since so many lived without them. "

― Peter Watson , The German Genius: Europe's Third Renaissance, the Second Scientific Revolution, and the Twentieth Century