facts are habitually viewed changes.
The institution of leisure class is the outgrowth of an early discrimination between employments, according to which some employments are worthy and others unworthy.
The evidence afforded by the usages and cultural traits of communities at a low stage of development indicates that the institution of a leisure class has emerged gradually during the transition from primitive savagery to barbarism; or more precisely, during the transition from a peaceable to a consistently warlike habit of life.