Thenoveltouchesonthemesofinnocenceanditsloss.DevonisanareaofseparatepeaceduringWorldWarII.Evenaftertheincidentwiththetree,Finnythinksthathefelloutofthetreebyaccident,suggestingthatone'sinnocencecan(tosomeextent)remaintrueinthefaceofpainandwork.Hisdeath,causedbybonemarrowfromhislegmovingtoandblockinghisheart,canfigurativelybeseenasGenebreakingFinny'sheart.

　　AfterFinnydies,GenerealizesthatFinny'soutlookonlifeandotherpeopleisjustifiedandissuperiortohisown.Heremarksthateveryoneisinaconstantmentalstateofalertthatisunnecessary,andthatsometimesthisbecomesanobsessionthathinderstheireveryaction.

　　字数够不够啊?