attribute,butfromtheirmakingtheoneaprinciple-andaprinciple
  inthesenseofanelement-andgeneratingnumberfromtheone。The
  oldpoetsagreewiththisinasmuchastheysaythatnotthosewho
  arefirstintime,e。g。NightandHeavenorChaosorOcean,reign
  andrule,butZeus。Thesepoets,however,areledtospeakthusonly
  becausetheythinkoftherulersoftheworldaschanging;forthose
  ofthemwhocombinethetwocharactersinthattheydonotuse
  mythicallanguagethroughout,e。g。Pherecydesandsomeothers,make
  theoriginalgeneratingagenttheBest,andsodotheMagi,andsome
  ofthelatersagesalso,e。g。bothEmpedoclesandAnaxagoras,of
  whomonemadeloveanelement,andtheothermadereasona
  principle。Ofthosewhomaintaintheexistenceoftheunchangeable
  substancessomesaytheOneitselfisthegooditself;butthey
  thoughtitssubstancelaymainlyinitsunity。
  This,then,istheproblem,-whichofthetwowaysofspeakingis
  right。Itwouldbestrangeiftothatwhichisprimaryandeternaland
  mostself-sufficientthisveryquality——self-sufficiencyand
  self-maintenance——belongsprimarilyinsomeotherwaythanasa
  good。Butindeeditcanbefornootherreasonindestructibleor
  self-sufficientthanbecauseitsnatureisgood。Thereforetosaythat
  thefirstprincipleisgoodisprobablycorrect;butthatthis
  principleshouldbetheOneor,ifnotthat,atleastanelement,
  andanelementofnumbers,isimpossible。Powerfulobjectionsarise,
  toavoidwhichsomehavegivenupthetheoryviz。thosewhoagree
  thattheOneisafirstprincipleandelement,butonlyof
  mathematicalnumber。Foronthisviewalltheunitsbecome
  identicalwithspeciesofgood,andthereisagreatprofusionof
  goods。Again,iftheFormsarenumbers,alltheFormsareidentical
  withspeciesofgood。ButletamanassumeIdeasofanythinghe
  pleases。IftheseareIdeasonlyofgoods,theIdeaswillnotbe
  substances;butiftheIdeasarealsoIdeasofsubstances,allanimals
  andplantsandallindividualsthatshareinIdeaswillbegood。
  Theseabsurditiesfollow,anditalsofollowsthatthecontrary
  element,whetheritispluralityortheunequal,i。e。thegreatand
  small,isthebad-itself。Henceonethinkeravoidedattachingthe
  goodtotheOne,becauseitwouldnecessarilyfollow,sincegeneration
  isfromcontraries,thatbadnessisthefundamentalnatureof
  plurality;whileotherssayinequalityisthenatureofthebad。It
  follows,then,thatallthingspartakeofthebadexceptone——the
  Oneitself,andthatnumberspartakeofitinamoreundilutedform
  thanspatialmagnitudes,andthatthebadisthespaceinwhichthe
  goodisrealized,andthatitpartakesinanddesiresthatwhichtends
  todestroyit;forcontrarytendstodestroycontrary。Andif,aswe
  weresaying,thematteristhatwhichispotentiallyeachthing,
  e。g。thatofactualfireisthatwhichispotentiallyfire,thebad
  willbejustthepotentiallygood。
  Alltheseobjections,then,follow,partlybecausetheymakeevery
  principleanelement,partlybecausetheymakecontraries
  principles,partlybecausetheymaketheOneaprinciple,partly
  becausetheytreatthenumbersasthefirstsubstances,andascapable
  ofexistingapart,andasForms。
  If,then,itisequallyimpossiblenottoputthegoodamongthe
  firstprinciplesandtoputitamongtheminthisway,evidentlythe
  principlesarenotbeingcorrectlydescribed,norarethefirst
  substances。Nordoesanyoneconceivethemattercorrectlyifhe
  comparestheprinciplesoftheuniversetothatofanimalsandplants,
  onthegroundthatthemorecompletealwayscomesfromthe
  indefiniteandincomplete-whichiswhatleadsthisthinkertosaythat
  thisisalsotrueofthefirstprinciplesofreality,sothatthe
  Oneitselfisnotevenanexistingthing。Thisisincorrect,for
  eveninthisworldofanimalsandplantstheprinciplesfromwhich
  thesecomearecomplete;foritisamanthatproducesaman,and
  theseedisnotfirst。
  Itisoutofplace,also,togenerateplacesimultaneouslywith
  themathematicalsolidsforplaceispeculiartotheindividual
  things,andhencetheyareseparateinplace;butmathematicalobjects
  arenowhere,andtosaythattheymustbesomewhere,butnotsaywhat
  kindofthingtheirplaceis。
  Thosewhosaythatexistingthingscomefromelementsandthatthe
  firstofexistingthingsarethenumbers,shouldhavefirst
  distinguishedthesensesinwhichonethingcomesfromanother,and
  thensaidinwhichsensenumbercomesfromitsfirstprinciples。
  Byintermixture?But1noteverythingiscapableof
  intermixture,and2thatwhichisproducedbyitisdifferentfrom
  itselements,andonthisviewtheonewillnotremainseparateora
  distinctentity;buttheywantittobeso。
  Byjuxtaposition,likeasyllable?Butthen1theelements
  musthaveposition;and2hewhothinksofnumberwillbeableto
  thinkoftheunityandthepluralityapart;numberthenwillbethis-a
  unitandplurality,ortheoneandtheunequal。
  Again,comingfromcertainthingsmeansinonesensethatthese
  arestilltobefoundintheproduct,andinanotherthattheyare
  not;whichsensedoesnumbercomefromtheseelements?Onlythings
  thataregeneratedcancomefromelementswhicharepresentinthem。
  Doesnumbercome,then,fromitselementsasfromseed?Butnothing
  canbeexcretedfromthatwhichisindivisible。Doesitcomefrom
  itscontrary,itscontrarynotpersisting?Butallthingsthatcomein
  thiswaycomealsofromsomethingelsewhichdoespersist。Since,
  then,onethinkerplacesthe1ascontrarytoplurality,andanother
  placesitascontrarytotheunequal,treatingthe1asequal,
  numbermustbebeingtreatedascomingfromcontraries。Thereis,
  then,somethingelsethatpersists,fromwhichandfromonecontrary
  thecompoundisorhascometobe。Again,whyintheworlddothe
  otherthingsthatcomefromcontraries,orthathavecontraries,
  perishevenwhenallofthecontraryisusedtoproducethem,
  whilenumberdoesnot?Nothingissaidaboutthis。Yetwhetherpresent
  ornotpresentinthecompoundthecontrarydestroysit,e。g。’strife’
  destroysthe’mixture’yetitshouldnot;foritisnottothat
  thatiscontrary。
  Oncemore,ithasnotbeendeterminedatallinwhichway
  numbersarethecausesofsubstancesandofbeing-whether1as
  boundariesaspointsareofspatialmagnitudes。Thisishow
  Eurytusdecidedwhatwasthenumberofwhate。g。oneofmanand
  anotherofhorse,viz。byimitatingthefiguresoflivingthingswith
  pebbles,assomepeoplebringnumbersintotheformsoftriangleand
  square。Or2isitbecauseharmonyisaratioofnumbers,andso
  ismanandeverythingelse?Buthowaretheattributes-whiteandsweet
  andhot-numbers?Evidentlyitisnotthenumbersthatarethe
  essenceorthecausesoftheform;fortheratioistheessence,while
  thenumberthecausesoftheform;fortheratioistheessence,while
  thenumberisthematter。E。g。theessenceoffleshorboneis
  numberonlyinthisway,’threepartsoffireandtwoofearth’。Anda
  number,whatevernumberitis,isalwaysanumberofcertainthings,
  eitherofpartsoffireorearthorofunits;buttheessenceis
  thatthereissomuchofonethingtosomuchofanotherinthe
  mixture;andthisisnolongeranumberbutaratioofmixtureof
  numbers,whetherthesearecorporealorofanyotherkind。
  Number,then,whetheritbenumberingeneralorthenumber
  whichconsistsofabstractunits,isneitherthecauseasagent,nor
  thematter,northeratioandformofthings。Nor,ofcourse,isit
  thefinalcause。
  Onemightalsoraisethequestionwhatthegoodisthatthingsget
  fromnumbersbecausetheircompositionisexpressiblebyanumber,
  eitherbyonewhichiseasilycalculableorbyanoddnumber。Forin
  facthoney-waterisnomorewholesomeifitismixedintheproportion
  ofthreetimesthree,butitwoulddomoregoodifitwereinno
  particularratiobutwelldilutedthanifitwerenumerically
  expressiblebutstrong。Again,theratiosofmixturesareexpressedby
  theaddingofnumbers,notbymerenumbers;e。g。itis’threepartsto
  two’,not’threetimestwo’。Forinanymultiplicationthegenusof
  thethingsmultipliedmustbethesame;thereforetheproduct1X2X3
  mustbemeasurableby1,and4X5X6by4andthereforeallproducts
  intowhichthesamefactorentersmustbemeasurablebythatfactor。
  Thenumberoffire,then,cannotbe2X5X3X6andatthesametime
  thatofwater2X3。
  Ifallthingsmustshareinnumber,itmustfollowthatmany
  thingsarethesame,andthesamenumbermustbelongtoonething
  andtoanother。Isnumberthecause,then,anddoesthethingexist
  becauseofitsnumber,oristhisnotcertain?E。g。themotionsofthe
  sunhaveanumber,andagainthoseofthemoon,-yes,andthelife
  andprimeofeachanimal。Why,then,shouldnotsomeofthese
  numbersbesquares,somecubes,andsomeequal,othersdouble?There
  isnoreasonwhytheyshouldnot,andindeedtheymustmovewithin
  theselimits,sinceallthingswereassumedtoshareinnumber。Andit
  wasassumedthatthingsthatdifferedmightfallunderthesame
  number。Thereforeifthesamenumberhadbelongedtocertainthings,
  thesewouldhavebeenthesameasoneanother,sincetheywouldhave
  hadthesameformofnumber;e。g。sunandmoonwouldhavebeenthe
  same。Butwhyneedthesenumbersbecauses?Therearesevenvowels,
  thescaleconsistsofsevenstrings,thePleiadesareseven,at
  sevenanimalslosetheirteethatleastsomedo,thoughsomedonot,
  andthechampionswhofoughtagainstThebeswereseven。Isitthen
  becausethenumberisthekindofnumberitis,thatthechampions
  weresevenorthePleiadconsistsofsevenstars?Surelythechampions
  weresevenbecausethereweresevengatesorforsomeotherreason,
  andthePleiadwecountasseven,aswecounttheBearastwelve,
  whileotherpeoplescountmorestarsinboth。Naytheyevensaythat
  X,PsandZareconcordsandthatbecausetherearethreeconcords,
  thedoubleconsonantsalsoarethree。Theyquiteneglectthefactthat
  theremightbeathousandsuchletters;foronesymbolmightbe
  assignedtoGP。Butiftheysaythateachofthesethreeisequalto
  twooftheotherletters,andnootherisso,andifthecauseisthat
  therearethreepartsofthemouthandoneletterisineachapplied
  tosigma,itisforthisreasonthatthereareonlythree,notbecause
  theconcordsarethree;sinceasamatteroffacttheconcordsare
  morethanthree,butofdoubleconsonantstherecannotbemore。
  Thesepeopleareliketheold-fashionedHomericscholars,who
  seesmallresemblancesbutneglectgreatones。Somesaythatthereare
  manysuchcases,e。g。thatthemiddlestringsarerepresentedby
  nineandeight,andthattheepicversehasseventeensyllables,which
  isequalinnumbertothetwostrings,andthatthescansionis,in
  therighthalfofthelineninesyllables,andinthelefteight。
  Andtheysaythatthedistanceinthelettersfromalphatoomegais
  equaltothatfromthelowestnoteoftheflutetothehighest,and
  thatthenumberofthisnoteisequaltothatofthewholechoirof
  heaven。Itmaybesuspectedthatnoonecouldfinddifficultyeither
  instatingsuchanalogiesorinfindingthemineternalthings,
  sincetheycanbefoundeveninperishablethings。
  Butthelaudedcharacteristicsofnumbers,andthecontrariesof
  these,andgenerallythemathematicalrelations,assomedescribe
  them,makingthemcausesofnature,seem,whenweinspecttheminthis
  way,tovanish;fornoneofthemisacauseinanyofthesenses
  thathavebeendistinguishedinreferencetothefirstprinciples。
  Inasense,however,theymakeitplainthatgoodnessbelongsto
  numbers,andthattheodd,thestraight,thesquare,thepotencies
  ofcertainnumbers,areinthecolumnofthebeautiful。Forthe
  seasonsandaparticularkindofnumbergotogether;andtheother
  agreementsthattheycollectfromthetheoremsofmathematicsallhave
  thismeaning。Hencetheyarelikecoincidences。Fortheyare
  accidents,butthethingsthatagreeareallappropriatetoone
  another,andonebyanalogy。Forineachcategoryofbeingan
  analogoustermisfound-asthestraightisinlength,soisthe
  levelinsurface,perhapstheoddinnumber,andthewhiteincolour。
  Again,itisnottheidealnumbersthatarethecausesof
  musicalphenomenaandthelikeforequalidealnumbersdifferfrom
  oneanotherinform;foreventheunitsdo;sothatweneednot
  assumeIdeasforthisreasonatleast。
  These,then,aretheresultsofthetheory,andyetmoremight
  bebroughttogether。Thefactthatouropponntshavemuchtroublewith
  thegenerationofnumbersandcaninnowaymakeasystemofthem,
  seemstoindicatethattheobjectsofmathematicsarenotseparable
  fromsensiblethings,assomesay,andthattheyarenotthefirst
  principles-
  THEEND-