andintheexplanationwhichhehimselfelaborated，hethoughtthatsomepartorotherofhissystemembracedandcoincidedwithwhateverwastrueinthedifferenttheoriesofhispredecessors。
CHAPTERII。THEPHENOMENAOFSYMPATHY。
Thephenomenaofsympathyorfellow-feelingshow，accordingtoAdamSmith，thatitisoneoftheoriginalpassionsofhumannature。Weseeitintheimmediatetransfusionofanemotionfromonemantoanother，whichisantecedenttoanyknowledgeonourpartofthecausesofanotherman\'sgrieforjoy。Itisaprimaryfactorofourconstitutionashumanbeings，asisshownintheinstinctivewithdrawalofourlimbsfromthestrokeweseeaimedatanother。Itisindeedsomethingalmostphysical，asweseeinthetendencyofamobtotwisttheirbodiessimultaneouslywiththemovementsofarope-dancer，orinthetendencyofsomepeopleonbeholdingsoreeyestofeelasorenessintheirown。
Sympathyoriginatesintheimagination，whichalonecanmakeusenterintothesensationsofothers。Ourownsenses，forinstance，cannevertellusanythingofthesufferingsofamanontherack。Itisonlybyimaginingourselvesinhisposition，bychangingplaceswithhiminfancy，bythinkingwhatourownsensationswouldbeinthesameplight，thatwecometofeelwhatheendures，andtoshudderatthemerethoughtoftheagoniesbefeels。Butananalogousemotionspringsup，whatevermaybethenatureofthepassion，inthepersonprincipallyaffectedbyit；andwhetheritbejoyorgrief，gratitudeorresentment，thatanotherfeels，weequallyenterasitwereintohisbody，andinsomedegreebecomethesamepersonwithhim。Theemotionofaspectatoralwayscorrespondstowhat，bybringingthecaseofanotherhometohimself，heimaginesshouldbethatother\'ssentiments。
Butalthoughsympathyisthusaninstantaneousemotion，andtheexpressionofgrieforjoyinthelooksorgesturesofanotheraffectuswithsomedegreeofasimilaremotion，fromtheirsuggestionofageneralideaofhisbadorgoodfortune，therearesomepassionswithwhoseexpressionnosympathyarisestilltheirexcitingcauseisknown。Suchapassionisanger，forinstance。Whenwewitnessthesignsofangerinamanwemorereadilysympathizewiththefearorresentmentofthoseendangeredbyitthanwiththeprovokedmanhimself。Thegeneralideaofprovocationexcitesnosympathywithhisanger，forwecannotmakehispassionourowntillweknowthecauseofhisprovocation。Evenoursympathywithjoyorgriefisveryimperfect，tillweknowthecauseofit:infact，sympathyarisesnotsomuchfromtheviewofanypassionasfromthatofthesituationwhichexcitesit。Henceitisthatweoftenfeelforanotherwhathecannotfeelhim-self，