William McDougall,
The Group Mind: A Sketch of the Principles of Collective Psychology
“ In place of natural selection, group selection, and sexual selection, we have had at work, within each people in increasing degrees, various forms of social selection—military selection, selection by the towns, selection by the church, political selection with its exiles and its colonial system, and lastly economic selection, which has become exceedingly influential in recent years among ourselves. ”
