ABSTRACT
I Theideaofoppositesorcontraries-hotandcold,moistanddry,lightand darkness,beingandnothingness,generationanddestruction,growthand diminution,limitedandunlimited-conceivedasactingpowersfighting oneanotherisaveryoldone.Itcanbefoundinmanyprimitiveviewsof theworld.Theirconfrontationisstrife,war.Thisideaisdevelopedfurther byHeraclitus,who,Ibelieve,wasthefirsttoseethegreatandfundamentalproblemofchange,discussedintheprecedingessay.
