The liberation of science from the Church's yoke-and consequently also of ethical teachings,-came about in France approximately at the same time as in England. The French thinker, Erné Descartes, took the same lead in this movement as did Francis Bacon in England, and their principal works appeared almost simultaneously.1 But due to various causes, the French movement took a somewhat different turn from the English; and in France, libertarian ideas penetrated to much wider circles and exercised a much deeper influence throughout Europe than the movement originated by Bacon, which created a revolution in science and in scientific speculation. The liberating movement in France began at the end of the sixteenth century, but it followed a path different from that in England where it took the form of the Protestant movement and of the peasant and townsfolk revolution. In France the Revolution broke out only at th...