Ithereforeawokenextdayrelievedfromthepreoccupationofanimmediatestart. Althoughwewereintheverydeepestofknowndepths,therewassomethingnotunpleasantaboutit. And,besides,wewerebeginningtogetaccustomedtothistroglodyte[l]life. Inolongerthoughtofsun,moon,andstars,trees,houses,andtowns,norofanyofthoseterrestrialsuperfluitieswhicharenecessariesofmenwholiveupontheearth'ssurface. Beingfossils,welookeduponallthosethingsasmerejokes. Thegrottowasanimmenseapartment.Alongitsgranitefloorranourfaithfulstream.Atthisdistancefromitsspringthewaterwasscarcelytepid,andwedrankofitwithpleasure. AfterbreakfasttheProfessorgaveafewhourstothearrangementofhisdailynotes. "First,"saidhe,"Iwillmakeacalculationtoascertainourexactposition. Ihope,afterourreturn,todrawamapofourjourney,whichwillbeinrealityaverticalsectionoftheglobe,containingthetrackofourexpedition." "Thatwillbecurious,uncle;butareyourobservationssufficientlyaccuratetoenableyoutodothiscorrectly?" "Yes;Ihaveeverywhereobservedtheanglesandtheinclines.Iamsurethereisnoerror.Letusseewherewearenow.Takeyourcompass,andnotethedirection." Ilooked,andrepliedcarefully: [1]tpwgln,ahole;dnw,tocreepinto.ThenameofanEthiopiantribewholivedincavesandholes.??????,ahole,and???,tocreepinto. "Well,"answeredtheProfessor,afterarapidcalculation,"Iinferthatwehavegoneeighty–fiveleaguessincewestarted.! "Thereforeweareundermid–Atlantic?" "Andperhapsatthisverymomentthereisastormabove,andshipsoverourheadsarebeingrudelytossedbythetempest." "Andwhalesarelashingtheroofofourprisonwiththeirtails?" "Itmaybe,Axel,buttheywon'tshakeushere.Butletusgobacktoourcalculation.Hereweareeighty–fiveleaguessouth–eastofSnaefell,andIreckonthatweareatadepthofsixteenleagues." "Why,thisistheverylimitassignedbysciencetothethicknessofthecrustoftheearth." "Andhere,accordingtothelawofincreasingtemperature,thereoughttobeaheatof2,732°Fahr.!" "Andallthissolidgraniteoughttoberunninginfusion." "Youseethatitisnotso,andthat,assooftenhappens,factscometooverthrowtheories." "Iamobligedtoagree;but,afterall,itissurprising." "Whatdoesthethermometersay?" "Twenty–seven,sixtenths(82°Fahr.)." "Thereforethesavantsarewrongby2,705°,andtheproportionalincreaseisamistake.ThereforeHumphryDavywasright,andIamnotwronginfollowinghim.Whatdoyousaynow?" Intruth,Ihadagooddealtosay.IgavewayinnorespecttoDavy'stheory. Istillheldtothecentralheat,althoughIdidnotfeelitseffects. Ipreferredtoadmitintruth,thatthischimneyofanextinctvolcano,linedwithlavas,whicharenon–conductorsofheat,didnotsuffertheheattopassthroughitswalls. ButwithoutstoppingtolookupnewargumentsIsimplytookupoursituationsuchasitwas. "Well,admittingallyourcalculationstobequitecorrect,youmustallowmetodrawonerigidresulttherefrom." "AtthelatitudeofIceland,wherewenoware,theradiusoftheearth,thedistancefromthecentretothesurfaceisabout1,583leagues;letussayinroundnumbers1,600leagues,or4,800miles. Outof1,600leagueswehavegonetwelve!" "Andthesetwelveatacostof85leaguesdiagonally?" "Now,sixteenleaguesarethehundredthpartoftheearth'sradius.Atthisrateweshallbetwothousanddays,ornearlyfiveyearsandahalf,ingettingtothecentre." Noanswerwasvouchsafedtothisrationalconclusion. "Withoutreckoning,too,thatifaverticaldepthofsixteenleaguescanbeattainedonlybyadiagonaldescentofeighty–four,itfollowsthatwemustgoeightthousandmilesinasouth–easterlydirection;sothatweshallemergefromsomepointintheearth'scircumferenceinsteadofgettingtothecentre!" "Confusiontoallyourfigures,andallyourhypothesesbesides,"shoutedmyuncleinasuddenrage."Whatisthebasisofthemall? Howdoyouknowthatthispassagedoesnotrunstraighttoourdestination?Besides,thereisaprecedent.Whatonemanhasdone,anothermaydo." "Ihopeso;but,still,Imaybepermitted–" "Youshallhavemyleavetoholdyourtongue,Axel,butnottotalkinthatirrationalway." IcouldseetheawfulProfessorburstingthroughmyuncle'sskin,andItooktimelywarning. "Nowlookatyouraneroid.Whatdoesthatsay?" "Itsaysweareunderconsiderablepressure." "Verygood;soyouseethatbygoinggraduallydown,andgettingaccustomedtothedensityoftheatmosphere,wedon'tsufferatall." "Nothing,exceptalittlepainintheears." "That'snothing,andyoumaygetridofeventhatbyquickbreathingwheneveryoufeelthepain." "Exactlyso,"Isaid,determinednottosayawordthatmightcrossmyuncle'sprejudices. "Thereisevenpositivepleasureinlivinginthisdenseatmosphere. Haveyouobservedhowintensesoundisdownhere?" "Nodoubtitis.Adeafmanwouldsoonlearntohearperfectly." "Butwon'tthisdensityaugment?" "Yes;accordingtoaratherobscurelaw. Itiswellknownthattheweightofbodiesdiminishesasfastaswedescend. Youknowthatitisatthesurfaceoftheglobethatweightismostsensiblyfelt,andthatatthecentrethereisnoweightatall." "Iamawareofthat;but,tellme,willnotairatlastacquirethedensityofwater?" "Ofcourse,underapressureofsevenhundredandtenatmospheres." "Lowerdownthedensitywillstillincrease." "Buthowshallwegodownthen." "Why,wemustfillourpocketswithstones." "Well,indeed,myworthyuncle,youareneveratalossforananswer." Idaredventurenofartherintotheregionofprobabilities,forImightpresentlyhavestumbleduponanimpossibility,whichwouldhavebroughttheProfessoronthescenewhenhewasnotwanted. Still,itwasevidentthattheair,underapressurewhichmightreachthatofthousandsofatmospheres,wouldatlastreachthesolidstate,andthen,evenifourbodiescouldresistthestrain,weshouldbestopped,andnoreasoningswouldbeabletogetusonanyfarther. ButIdidnotadvancethisargument.MyunclewouldhavemetitwithhisinevitableSaknussemm,aprecedentwhichpossessednoweightwithme;forevenifthejourneyofthelearnedIcelanderwerereallyattested,therewasoneverysimpleanswer,thatinthesixteenthcenturytherewasneitherbarometeroraneroidandthereforeSaknussemmcouldnottellhowfarhehadgone. ButIkeptthisobjectiontomyself,andwaitedthecourseofevents. Therestofthedaywaspassedincalculationsandinconversations. IremainedasteadfastadherentoftheopinionsofProfessorLiedenbrock,andIenviedthestolidindifferenceofHans,who,withoutgoingintocausesandeffects,wentonwithhiseyesshutwhereverhisdestinyguidedhim.