ItishightimethatIshouldpassfromthesebriefanddiscursivenotesaboutthingsinFlatlandtothecentraleventofthisbook,myinitiationintothemysteriesofSpace. Thatismysubject;allthathasgonebeforeismerelypreface. ForthisreasonImustomitmanymattersofwhichtheexplanationwouldnot,Iflattermyself,bewithoutinterestformyReaders:asforexample,ourmethodofpropellingandstoppingourselves,althoughdestituteoffeet;themeansbywhichwegivefixitytostructuersofwood,stone,orbrick,althoughofcoursewehavenohands,norcanwelayfoundationsasyoucan,noravailourselvesofthelateralpressureoftheearth;themannerinwhichtherainoriginatesintheintervalsbetweenourvariouszones,sothatthenorthernregionsdonotinterceptthemoisturefallingonthesouthern;thenatureofourhillsandmines,ourtreesandvegetables,ourseasonsandharvests;ourAlphabetandmethodofwriting,adaptedtoourlineartablets;theseandahundredotherdetailsofourphysicalexistenceImustpassover,nordoImentionthemnowexcepttoindicatetomyreadersthattheiromissionproceedsnotfromforgetfulnessonthepartoftheauthor,butfromhisregardforthetimeoftheReader. YetbeforeIproceedtomylegitimatesubjectsomefewfinalremarkswillnodoubtbeexpectedbymyReadersuponthesepillarsandmainstaysoftheConstitutionofFlatland,thecontrollersofourconductandshapersofourdestiny,theobjectsofuniversalhomageandalmostofadoration:needIsaythatImeanourCirclesorPriests? WhenIcallthemPriests,letmenotbeunderstoodasmeaningnomorethanthetermdenoteswithyou. Withus,ourPriestsareAdministratorsofallBusiness,Art,andScience;DirectorsofTrade,Commerce,Generalship,Architecture,Engineering,Education,Statesmanship,Legislature,Morality,Theology;doingnothingthemselves,theyaretheCausesofeverythingworthdoing,thatisdonebyothers. AlthoughpopularlyeveryonecalledaCircleisdeemedaCircle,yetamongthebettereducatedClassesitisknownthatnoCircleisreallyaCircle,butonlyaPolygonwithaverylargenumberofverysmallsides. Asthenumberofthesidesincreases,aPolygonapproximatestoaCircle;and,whenthenumberisverygreatindeed,sayforexamplethreeorfourhundred,itisextremelydifficultforthemostdelicatetouchtofeelanypolygonalangles. Letmesayratheritwouldbedifficult:for,asIhaveshownabove,RecognitionbyFeelingisunknownamongthehighestsociety,andtofeelaCirclewouldbeconsideredamostaudaciousinsult. ThishabitofabstentionfromFeelinginthebestsocietyenablesaCirclethemoreeasilytosustaintheveilofmysteryinwhich,fromhisearliestyears,heiswonttoenwraptheexactnatureofhisPerimeterorCircumference. ThreefeetbeingtheaveragePerimeteritfollowsthat,inaPolygonofthreehundredsideseachsidewillbenomorethanthehundredthpartofafootinlength,orlittlemorethanthetenthpartofaninch;andinaPolygonofsixorsevenhundredsidesthesidesarelittlelargerthanthediameterofaSpacelandpin-head. Itisalwaysassumed,bycourtesy,thattheChiefCircleforthetimebeinghastenthousandsides. TheascentoftheposterityoftheCirclesinthesocialscaleisnotrestricted,asitisamongthelowerRegularclasses,bytheLawofNaturewhichlimitstheincreaseofsidestooneineachgeneration. Ifitwereso,thenumberofsidesintheCirclewouldbeamerequestionofpedigreeandarithmetic,andthefourhundrdandninety-seventhdescendantofanEquilateralTrianglewouldnecessarilybeapolygonWithfivehundredsides.Butthisisnotthecase. Nature'sLawprescribestwoantagonsticdecreesaffectingCircularpropogation;first,thatastheraceclimbshigherinthescaleofdevelopment,sodevelopmentshallproceedatanacceleratedpace;second,thatinthesameproportion,theraceshallbecomelessfertile. ConsequentlyinthehomeofaPolygonoffourorfivehundredsidesitisraretofindason;morethanoneisneverseen. Ontheotherhandthesonofafive-hundred-sidedPolygonhasbeenknowntopossessfivehundredandfifty,orevensixhundredsides. ArtalsostepsintohelptheprocessofhigherEvolution. OurphysicianshavediscoveredthatthesmallandtendersidesofaninfantPolygonofthehigherclasscanbefractured,andhiswholeframere-set,withsuchexactnessthataPolygonoftwoorthreehundredsidessometimes—bynomeansalways,fortheprocessisattendedwithseriousrisk—butsometimesoverleapstwoorthreehundredgenerations,andasitweredoubleatastroke,thenumberofhisprogenitorsandthenobilityofhisdescent. Manyapromisingchildissacrificedinthisway.Scarcelyoneoutoftensurvives. YetsostrongistheparentalambitionamongthosePolygonswhoare,asitwere,onthefringeoftheCircularclass,thatitisveryraretofindtheNoblemanofthatpositioninsociety,whohasneglectedtoplacehisfirst-bornintheCircularNeo-TherapeuticGymnasiumbeforehehasattainedtheageofamonth. Oneyeardeterminssuccessorfailure.Attheendofthattimethechildhas,inallprobability,addedonemoretothetombstonesthatcrowdtheNeo-TherapeuticCemetery;butonrareoccasionalagladprocessionbaresbackthelittleonetohisexultantparents,nolongeraPolygon,butaCircle,atleastbycourtesy:andasingleinstanceofsoblessedaresultinducesmultitudesofPolygonalparentstosubmittosimialrdomesticsacrifice,whichhaveadissimilarissue.