English
TheTimeTraveller(forsoitwillbeconvenienttospeakofhim)wasexpoundingareconditemattertous.
Hisgreyeyesshoneandtwinkled,andhisusuallypalefacewasflushedandanimated.
Thefireburnedbrightly,andthesoftradianceoftheincandescentlightsintheliliesofsilvercaughtthebubblesthatflashedandpassedinourglasses.
Ourchairs,beinghispatents,embracedandcaressedusratherthansubmittedtobesatupon,andtherewasthatluxuriousafterdinneratmospherewhenthoughtroamsgracefullyfreeofthetrammelsofprecision.
Andheputittousinthiswaymarkingthepointswithaleanforefingeraswesatandlazilyadmiredhisearnestnessoverthisnewparadox(aswethoughtit)andhisfecundity.
'Youmustfollowmecarefully.Ishallhavetocontrovertoneortwoideasthatarealmostuniversallyaccepted.Thegeometry,forinstance,theytaughtyouatschoolisfoundedonamisconception.'
'Isnotthatratheralargethingtoexpectustobeginupon?'saidFilby,anargumentativepersonwithredhair.
'Idonotmeantoaskyoutoacceptanythingwithoutreasonablegroundforit.
YouwillsoonadmitasmuchasIneedfromyou.
Youknowofcoursethatamathematicalline,alineofthicknessnil,hasnorealexistence.Theytaughtyouthat?Neitherhasamathematicalplane.Thesethingsaremereabstractions.'
'Thatisallright,'saidthePsychologist.
'Nor,havingonlylength,breadth,andthickness,canacubehavearealexistence.'
'ThereIobject,'saidFilby.'Ofcourseasolidbodymayexist.Allrealthings'
'Somostpeoplethink.Butwaitamoment.Cananinstantaneouscubeexist?'
'Don'tfollowyou,'saidFilby.
'Canacubethatdoesnotlastforanytimeatall,havearealexistence?'
Filbybecamepensive.'Clearly,'theTimeTravellerproceeded,'anyrealbodymusthaveextensioninfourdirections:itmusthaveLength,Breadth,Thickness,andDuration.
Butthroughanaturalinfirmityoftheflesh,whichIwillexplaintoyouinamoment,weinclinetooverlookthisfact.
Therearereallyfourdimensions,threewhichwecallthethreeplanesofSpace,andafourth,Time.
Thereis,however,atendencytodrawanunrealdistinctionbetweentheformerthreedimensionsandthelatter,becauseithappensthatourconsciousnessmovesintermittentlyinonedirectionalongthelatterfromthebeginningtotheendofourlives.'
'That,'saidaveryyoungman,makingspasmodiceffortstorelighthiscigaroverthelamp;'that...veryclearindeed.'
'Now,itisveryremarkablethatthisissoextensivelyoverlooked,'continuedtheTimeTraveller,withaslightaccessionofcheerfulness.
'ReallythisiswhatismeantbytheFourthDimension,thoughsomepeoplewhotalkabouttheFourthDimensiondonotknowtheymeanit.
ItisonlyanotherwayoflookingatTime.
ThereisnodifferencebetweenTimeandanyofthethreedimensionsofSpaceexceptthatourconsciousnessmovesalongit.
Butsomefoolishpeoplehavegotholdofthewrongsideofthatidea.
YouhaveallheardwhattheyhavetosayaboutthisFourthDimension?'
'Ihavenot,'saidtheProvincialMayor.
'Itissimplythis.ThatSpace,asourmathematicianshaveit,isspokenofashavingthreedimensions,whichonemaycallLength,Breadth,andThickness,andisalwaysdefinablebyreferencetothreeplanes,eachatrightanglestotheothers.
Butsomephilosophicalpeoplehavebeenaskingwhythreedimensionsparticularlywhynotanotherdirectionatrightanglestotheotherthree?
andhaveeventriedtoconstructaFourDimensiongeometry.
ProfessorSimonNewcombwasexpoundingthistotheNewYorkMathematicalSocietyonlyamonthorsoago.
Youknowhowonaflatsurface,whichhasonlytwodimensions,wecanrepresentafigureofathreedimensionalsolid,andsimilarlytheythinkthatbymodelsofthreedimensionstheycouldrepresentoneoffouriftheycouldmastertheperspectiveofthething.See?'
'Ithinkso,'murmuredtheProvincialMayor;and,knittinghisbrows,helapsedintoanintrospectivestate,hislipsmovingasonewhorepeatsmysticwords.
'Yes,IthinkIseeitnow,'hesaidaftersometime,brighteninginaquitetransitorymanner.
'Well,IdonotmindtellingyouIhavebeenatworkuponthisgeometryofFourDimensionsforsometime.Someofmyresultsarecurious.
Forinstance,hereisaportraitofamanateightyearsold,anotheratfifteen,anotheratseventeen,anotherattwentythree,andsoon.
Alltheseareevidentlysections,asitwere,ThreeDimensionalrepresentationsofhisFourDimensionedbeing,whichisafixedandunalterablething.
'Scientificpeople,'proceededtheTimeTraveller,afterthepauserequiredfortheproperassimilationofthis,'knowverywellthatTimeisonlyakindofSpace.
Hereisapopularscientificdiagram,aweatherrecord.
ThislineItracewithmyfingershowsthemovementofthebarometer.
Yesterdayitwassohigh,yesterdaynightitfell,thenthismorningitroseagain,andsogentlyupwardtohere.
SurelythemercurydidnottracethislineinanyofthedimensionsofSpacegenerallyrecognized?
Butcertainlyittracedsuchaline,andthatline,therefore,wemustconcludewasalongtheTimeDimension.'
'But,'saidtheMedicalMan,staringhardatacoalinthefire,'ifTimeisreallyonlyafourthdimensionofSpace,whyisit,andwhyhasitalwaysbeen,regardedassomethingdifferent?
AndwhycannotwemoveinTimeaswemoveaboutintheotherdimensionsofSpace?'
TheTimeTravellersmiled.'AreyousurewecanmovefreelyinSpace?
Rightandleftwecango,backwardandforwardfreelyenough,andmenalwayshavedoneso.
Iadmitwemovefreelyintwodimensions.Buthowaboutupanddown?Gravitationlimitsusthere.'
'Notexactly,'saidtheMedicalMan.'Thereareballoons.'
'Butbeforetheballoons,saveforspasmodicjumpingandtheinequalitiesofthesurface,manhadnofreedomofverticalmovement.'
'Stilltheycouldmovealittleupanddown,'saidtheMedicalMan.
'Easier,fareasierdownthanup.'
'AndyoucannotmoveatallinTime,youcannotgetawayfromthepresentmoment.'
'Mydearsir,thatisjustwhereyouarewrong.
Thatisjustwherethewholeworldhasgonewrong.
Wearealwaysgettingawayfromthepresentmoment.
Ourmentalexistences,whichareimmaterialandhavenodimensions,arepassingalongtheTimeDimensionwithauniformvelocityfromthecradletothegrave.
Justasweshouldtraveldownifwebeganourexistencefiftymilesabovetheearth'ssurface.'
'Butthegreatdifficultyisthis,'interruptedthePsychologist.'YoucanmoveaboutinalldirectionsofSpace,butyoucannotmoveaboutinTime.'
'Thatisthegermofmygreatdiscovery.
ButyouarewrongtosaythatwecannotmoveaboutinTime.
Forinstance,ifIamrecallinganincidentveryvividlyIgobacktotheinstantofitsoccurrence:Ibecomeabsentminded,asyousay.Ijumpbackforamoment.
OfcoursewehavenomeansofstayingbackforanylengthofTime,anymorethanasavageorananimalhasofstayingsixfeetabovetheground.
Butacivilizedmanisbetteroffthanthesavageinthisrespect.
Hecangoupagainstgravitationinaballoon,andwhyshouldhenothopethatultimatelyhemaybeabletostoporacceleratehisdriftalongtheTimeDimension,oreventurnaboutandtraveltheotherway?'
'Oh,this,'beganFilby,'isall'
'Whynot?'saidtheTimeTraveller.
'It'sagainstreason,'saidFilby.
'Whatreason?'saidtheTimeTraveller.
'Youcanshowblackiswhitebyargument,'saidFilby,'butyouwillneverconvinceme.'
'Possiblynot,'saidtheTimeTraveller.'ButnowyoubegintoseetheobjectofmyinvestigationsintothegeometryofFourDimensions.LongagoIhadavagueinklingofamachine'
'TotravelthroughTime!'exclaimedtheVeryYoungMan.
'ThatshalltravelindifferentlyinanydirectionofSpaceandTime,asthedriverdetermines.'
Filbycontentedhimselfwithlaughter.
'ButIhaveexperimentalverification,'saidtheTimeTraveller.
'Itwouldberemarkablyconvenientforthehistorian,'thePsychologistsuggested.'OnemighttravelbackandverifytheacceptedaccountoftheBattleofHastings,forinstance!'
'Don'tyouthinkyouwouldattractattention?'saidtheMedicalMan.'Ourancestorshadnogreattoleranceforanachronisms.'
'Onemightgetone'sGreekfromtheverylipsofHomerandPlato,'theVeryYoungManthought.
'InwhichcasetheywouldcertainlyploughyoufortheLittlego.TheGermanscholarshaveimprovedGreeksomuch.'
'Thenthereisthefuture,'saidtheVeryYoungMan.'Justthink!Onemightinvestallone'smoney,leaveittoaccumulateatinterest,andhurryonahead!'
'Todiscoverasociety,'saidI,'erectedonastrictlycommunisticbasis.'
'Ofallthewildextravaganttheories!'beganthePsychologist.
'Yes,soitseemedtome,andsoInevertalkedofituntil'
'Experimentalverification!'criedI.'Youaregoingtoverifythat?'
'Theexperiment!'criedFilby,whowasgettingbrainweary.
'Let'sseeyourexperimentanyhow,'saidthePsychologist,'thoughit'sallhumbug,youknow.'
TheTimeTravellersmiledroundatus.Then,stillsmilingfaintly,andwithhishandsdeepinhistrouserspockets,hewalkedslowlyoutoftheroom,andweheardhisslippersshufflingdownthelongpassagetohislaboratory.
ThePsychologistlookedatus.'Iwonderwhathe'sgot?'
'Somesleightofhandtrickorother,'saidtheMedicalMan,andFilbytriedtotellusaboutaconjurerhehadseenatBurslem;butbeforehehadfinishedhisprefacetheTimeTravellercameback,andFilby'sanecdotecollapsed.
ThethingtheTimeTravellerheldinhishandwasaglitteringmetallicframework,scarcelylargerthanasmallclock,andverydelicatelymade.
Therewasivoryinit,andsometransparentcrystallinesubstance.
AndnowImustbeexplicit,forthisthatfollowsunlesshisexplanationistobeacceptedisanabsolutelyunaccountablething.
Hetookoneofthesmalloctagonaltablesthatwerescatteredabouttheroom,andsetitinfrontofthefire,withtwolegsonthehearthrug.Onthistableheplacedthemechanism.Thenhedrewupachair,andsatdown.
Theonlyotherobjectonthetablewasasmallshadedlamp,thebrightlightofwhichfelluponthemodel.
Therewerealsoperhapsadozencandlesabout,twoinbrasscandlesticksuponthemantelandseveralinsconces,sothattheroomwasbrilliantlyilluminated.
Isatinalowarmchairnearestthefire,andIdrewthisforwardsoastobealmostbetweentheTimeTravellerandthefireplace.
Filbysatbehindhim,lookingoverhisshoulder.
TheMedicalManandtheProvincialMayorwatchedhiminprofilefromtheright,thePsychologistfromtheleft.
TheVeryYoungManstoodbehindthePsychologist.Wewereallonthealert.
Itappearsincredibletomethatanykindoftrick,howeversubtlyconceivedandhoweveradroitlydone,couldhavebeenplayeduponusundertheseconditions.
TheTimeTravellerlookedatus,andthenatthemechanism.'Well?'saidthePsychologist.
'Thislittleaffair,'saidtheTimeTraveller,restinghiselbowsuponthetableandpressinghishandstogetherabovetheapparatus,'isonlyamodel.
Itismyplanforamachinetotravelthroughtime.
Youwillnoticethatitlookssingularlyaskew,andthatthereisanoddtwinklingappearanceaboutthisbar,asthoughitwasinsomewayunreal.'Hepointedtothepartwithhisfinger.
'Also,hereisonelittlewhitelever,andhereisanother.'
TheMedicalMangotupoutofhischairandpeeredintothething.'It'sbeautifullymade,'hesaid.
'Ittooktwoyearstomake,'retortedtheTimeTraveller.
Then,whenwehadallimitatedtheactionoftheMedicalMan,hesaid:'NowIwantyouclearlytounderstandthatthislever,beingpressedover,sendsthemachineglidingintothefuture,andthisotherreversesthemotion.
Thissaddlerepresentstheseatofatimetraveller.
PresentlyIamgoingtopressthelever,andoffthemachinewillgo.
Itwillvanish,passintofutureTime,anddisappear.Haveagoodlookatthething.
Lookatthetabletoo,andsatisfyyourselvesthereisnotrickery.
Idon'twanttowastethismodel,andthenbetoldI'maquack.'
Therewasaminute'spauseperhaps.ThePsychologistseemedabouttospeaktome,butchangedhismind.
ThentheTimeTravellerputforthhisfingertowardsthelever.'No,'hesaidsuddenly.'Lendmeyourhand.'
AndturningtothePsychologist,hetookthatindividual'shandinhisownandtoldhimtoputouthisforefinger.
SothatitwasthePsychologisthimselfwhosentforththemodelTimeMachineonitsinterminablevoyage.Weallsawtheleverturn.
Iamabsolutelycertaintherewasnotrickery.
Therewasabreathofwind,andthelampflamejumped.
Oneofthecandlesonthemantelwasblownout,andthelittlemachinesuddenlyswunground,becameindistinct,wasseenasaghostforasecondperhaps,asaneddyoffaintlyglitteringbrassandivory;anditwasgonevanished!Saveforthelampthetablewasbare.
Everyonewassilentforaminute.ThenFilbysaidhewasdamned.
ThePsychologistrecoveredfromhisstupor,andsuddenlylookedunderthetable.
AtthattheTimeTravellerlaughedcheerfully.'Well?'
hesaid,withareminiscenceofthePsychologist.
Then,gettingup,hewenttothetobaccojaronthemantel,andwithhisbacktousbegantofillhispipe.
Westaredateachother.'Lookhere,'saidtheMedicalMan,'areyouinearnestaboutthis?Doyouseriouslybelievethatthatmachinehastravelledintotime?'
'Certainly,'saidtheTimeTraveller,stoopingtolightaspillatthefire.
Thenheturned,lightinghispipe,tolookatthePsychologist'sface.
(ThePsychologist,toshowthathewasnotunhinged,helpedhimselftoacigarandtriedtolightituncut.)
'Whatismore,Ihaveabigmachinenearlyfinishedinthere'heindicatedthelaboratory'andwhenthatisputtogetherImeantohaveajourneyonmyownaccount.'
'Youmeantosaythatthatmachinehastravelledintothefuture?'saidFilby.
'IntothefutureorthepastIdon't,forcertain,knowwhich.'
AfteranintervalthePsychologisthadaninspiration.'Itmusthavegoneintothepastifithasgoneanywhere,'hesaid.
'Why?'saidtheTimeTraveller.
'BecauseIpresumethatithasnotmovedinspace,andifittravelledintothefutureitwouldstillbehereallthistime,sinceitmusthavetravelledthroughthistime.'
'But,'Isaid,'Ifittravelledintothepastitwouldhavebeenvisiblewhenwecamefirstintothisroom;andlastThursdaywhenwewerehere;andtheThursdaybeforethat;andsoforth!'
'Seriousobjections,'remarkedtheProvincialMayor,withanairofimpartiality,turningtowardstheTimeTraveller.
'Notabit,'saidtheTimeTraveller,and,tothePsychologist:'Youthink.Youcanexplainthat.It'spresentationbelowthethreshold,youknow,dilutedpresentation.'
'Ofcourse,'saidthePsychologist,andreassuredus.'That'sasimplepointofpsychology.Ishouldhavethoughtofit.
It'splainenough,andhelpstheparadoxdelightfully.
Wecannotseeit,norcanweappreciatethismachine,anymorethanwecanthespokeofawheelspinning,orabulletflyingthroughtheair.
Ifitistravellingthroughtimefiftytimesorahundredtimesfasterthanweare,ifitgetsthroughaminutewhilewegetthroughasecond,theimpressionitcreateswillofcoursebeonlyonefiftiethoronehundredthofwhatitwouldmakeifitwerenottravellingintime.That'splainenough.'
Hepassedhishandthroughthespaceinwhichthemachinehadbeen.'Yousee?'hesaid,laughing.
Wesatandstaredatthevacanttableforaminuteorso.ThentheTimeTravelleraskeduswhatwethoughtofitall.
'Itsoundsplausibleenoughtonight,'saidtheMedicalMan;'butwaituntiltomorrow.Waitforthecommonsenseofthemorning.'
'WouldyouliketoseetheTimeMachineitself?'askedtheTimeTraveller.
Andtherewith,takingthelampinhishand,heledthewaydownthelong,draughtycorridortohislaboratory.
Iremembervividlytheflickeringlight,hisqueer,broadheadinsilhouette,thedanceoftheshadows,howweallfollowedhim,puzzledbutincredulous,andhowthereinthelaboratorywebeheldalargereditionofthelittlemechanismwhichwehadseenvanishfrombeforeoureyes.
Partswereofnickel,partsofivory,partshadcertainlybeenfiledorsawnoutofrockcrystal.
Thethingwasgenerallycomplete,butthetwistedcrystallinebarslayunfinisheduponthebenchbesidesomesheetsofdrawings,andItookoneupforabetterlookatit.Quartzitseemedtobe.
'Lookhere,'saidtheMedicalMan,'areyouperfectlyserious?OristhisatricklikethatghostyoushoweduslastChristmas?'
'Uponthatmachine,'saidtheTimeTraveller,holdingthelampaloft,'Iintendtoexploretime.Isthatplain?Iwasnevermoreseriousinmylife.'
Noneofusquiteknewhowtotakeit.
IcaughtFilby'seyeovertheshoulderoftheMedicalMan,andhewinkedatmesolemnly.
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