Thereis\"animportantdistinctionbetweensimpleandcomplex
cooperation。Oftheformer,oneisalwaysconsciousatthetime
ofpractisingit:itisobvioustothemostignorantandvulgar
eye。Ofthelatter,butaveryfewofthevastnumberswho
practiseitareinanydegreeconscious。Thecauseofthis