In the Age of Enlightenment reason was supreme and science was its backbone. God was sidelined and subject to his own laws of nature. As in science the imaginative arts could be reduced to principles. All was ordered. It was social change that essentially bought the Age of Enlightenment to an end. At the beginning of the eighteenth century there were the lower orders which became the lower class by the end of the century, no longer preordained or immutable and above them the middle and upper classes. The Industrial Revolution was largely the cause of the change. In practice the ordering of society had never been fixed but the change in term coincided with a recognition that there was some fluidity in social position. Movement from one class