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1、TheTimeMachineByH.G.WellsPublishedbyPlaneteBook.VisitthesitetodownloadfreeeBooksofclassicliterature,booksandnovels.ThisworkislicensedunderaCreativeCommonsAttribution-Noncommercial3.0UnitedStatesLicense.ITheTimeTraveller(forsoitwillbeconvenienttospeakofhim)wasexpoundingareconditemattertou
2、s.Hisgreyeyesshoneandtwinkled,andhisusuallypalefacewasflushedandanimated.Thefireburnedbrightly,andthesoftradianceoftheincandescentlightsintheliliesofsilvercaughtthebubblesthatflashedandpassedinourglasses.Ourchairs,beinghispatents,embracedandcaressedusratherthansubmittedtobesatupon,andthe
3、rewasthatluxuriousafter-dinneratmospherewhenthoughtroamsgracefullyfreeofthetrammelsofprecision.Andheputittousinthisway—markingthepointswithaleanforefinger—aswesatandlazilyadmiredhisearnestnessoverthisnewparadox(aswethoughtit:)andhisfecundity.‘Youmustfollowmecarefully.Ishallhavetocontrove
4、rtoneortwoideasthatarealmostuniversallyaccepted.Thegeometry,forinstance,theytaughtyouatschoolisfoundedonamisconception.’‘Isnotthatratheralargethingtoexpectustobeginupon?’saidFilby,anargumentativepersonwithredhair.‘Idonotmeantoaskyoutoacceptanythingwithoutrea-sonablegroundforit.Youwillsoo
5、nadmitasmuchasIneedfromyou.Youknowofcoursethatamathematicalline,alineofthicknessNIL,hasnorealexistence.Theytaughtyouthat?Neitherhasamathematicalplane.ThesethingsFreeeBooksatPlaneteBook.com3aremereabstractions.’‘Thatisallright,’saidthePsychologist.‘Nor,havingonlylength,breadth,andthicknes
6、s,canacubehavearealexistence.’‘ThereIobject,’saidFilby.‘Ofcourseasolidbodymayexist.Allrealthings—‘‘Somostpeoplethink.Butwaitamoment.CananIN-STANTANEOUScubeexist?’‘Don’tfollowyou,’saidFilby.‘Canacubethatdoesnotlastforanytimeatall,havearealexistence?’Filbybecamepensive.‘Clearly,’theTimeTra
7、vellerpro-ceeded,‘anyrealbodymusthaveextensioninFOURdirections:itmusthaveLength,Breadth,Thickness,and—Duration.Butthroughanaturalinfirmityoftheflesh,whichIwillexplaintoyouinamoment,weinclinetoover-lookthisfact.Therearereallyfourdimensions,threewhichwecallthethreeplanesofS
