ain ting ▁his ▁whole ▁theory ▁of ▁er os ▁with ▁a ▁pan sex ual ▁t endency . ▁He ▁finally ▁writes ▁that ▁his ▁theory ▁naturally ▁explains ▁this ▁collect ive ▁misunder standing ▁as ▁a ▁predict able ▁resistance ▁to ▁the ▁acknowled g ement ▁of ▁sexual ▁activity ▁in ▁child hood . ▁ ▁However , ▁F . ▁M . ▁Corn ford ▁finds ▁the ▁stand points ▁of ▁Pl ato ▁and ▁of ▁Fre ud ▁to ▁be ▁" d iam etr ically ▁opposed " ▁with ▁regard ▁to ▁er os . ▁In ▁Pl ato , ▁er os ▁is ▁a ▁spiritual ▁energy ▁initially , ▁which ▁then ▁" falls " ▁down ward ; ▁whereas ▁in ▁Fre ud ▁er os ▁is ▁a ▁physical ▁energy ▁which ▁is ▁" sub lim ated " ▁up ward . ▁ ▁The ▁phil os opher ▁and ▁soci ologist ▁Herbert ▁Marc use ▁appropri ated ▁the ▁Fre ud ian ▁concept ▁of ▁er os ▁for ▁his ▁highly ▁influ ential ▁ 1 9 5 5 ▁work ▁E ros ▁and ▁Civil ization . ▁ ▁Carl ▁Jung ▁In ▁Carl ▁Jung ' s ▁analyt ical ▁psych ology , ▁the ▁counter part ▁to ▁er os ▁is ▁log os , ▁a ▁Greek ▁term ▁for ▁the ▁principle ▁of ▁rational ity . ▁Jung ▁cons iders ▁log os ▁to ▁be ▁a ▁mascul ine ▁principle , ▁while ▁er os ▁is ▁a ▁femin ine ▁principle . ▁According ▁to ▁Jung : ▁ ▁Woman ' s ▁psych ology ▁is ▁founded ▁on ▁the ▁principle ▁of ▁E ros , ▁the ▁great ▁b inder ▁and ▁lo os ener , ▁whereas ▁from ▁ancient ▁times ▁the ▁r uling ▁principle ▁as cribed ▁to ▁man