博士研究生英语精读翻译及原文.docx
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博士研究生英语精读翻译及原文.docx
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博士研究生英语精读翻译及原文
第1课知识的悖论TheParadoxofKnowledge
Thegreatestachievementofhumankindinitslongevolutionfromancienthominoidancestorstoitspresentstatusistheacquisitionandaccumulationofavastbodyofknowledgeaboutitself,theworld,andtheuniverse.Theproductsofthisknowledgeareallthosethingsthat,intheaggregate,wecall"civilization,"includinglanguage,science,literature,art,allthephysicalmechanisms,instruments,andstructuresweuse,andthephysicalinfrastructuresonwhichsocietyrelies.Mostofusassumethatinmodernsocietyknowledgeofallkindsiscontinuallyincreasingandtheaggregationofnewinformationintothecorpusofoursocialorcollectiveknowledgeissteadilyreducingtheareaofignoranceaboutourselves,theworld,andtheuniverse.Butcontinuingremindersofthenumerousareasofourpresentignoranceinviteacriticalanalysisofthisassumption.
Inthepopularview,intellectualevolutionissimilarto,althoughmuchmorerapidthan,somaticevolution.Biologicalevolutionisoftendescribedbythestatementthat"ontogenyrecapitulatesphylogeny"--meaningthattheindividualembryo,initsdevelopmentfromafertilizedovumintoahumanbaby,passesthroughsuccessivestagesinwhichitresemblesancestralformsofthehumanspecies.Thepopularviewisthathumankindhasprogressedfromastateofinnocentignorance,comparabletothatofaninfant,andgraduallyhasacquiredmoreandmoreknowledge,muchasachildlearnsinpassingthroughtheseveralgradesoftheeducationalsystem.Implicitinthisviewisanassumptionthatphylogenyresemblesontogeny,sothattherewillultimatelybeastageinwhichtheaccumulationofknowledgeisessentiallycomplete,atleastinspecificfields,asifsocietyhadgraduatedwithalltheadvanceddegreesthatsignifymasteryofimportantsubjects.
Suchviewshave,infact,beenexpressedbysomeeminentscientists.In1894thegreatAmericanphysicistAlbertMichelsonsaidinatalkattheUniversityofChicago:
WhileitisneversafetoaffirmthatthefutureofPhysicalSciencehasnomarvelsinstoreevenmoreastonishingthanthoseofthepast,itseemsprobablethatmostofthegrandunderlyingprincipleshavebeenfirmlyestablishedandthatfurtheradvancesaretobesoughtchieflyintherigorousapplicationoftheseprinciplestoallthephenomenawhichcomeunderournotice....ThefuturetruthsofPhysicalScienceatetobelookedforinthesixthplaceofdecimals.
InthecenturysinceMichelson'stalk,scientistshavediscoveredmuchmorethantherefinementofmeasurementsinthesixthdecimalplace,andnoneiswillingtomakeasimilarstatementtoday.However,manystillclingtothenotionthatsuchastateofknowledgeremainsapossibilitytobeattainedsoonerorlater.StephenHawking,thegreatEnglishscientist,inhisimmenselypopularbookABriefHistoryofTime(1988),concludeswiththespeculationthatwemay"discoveracompletetheory"that"wouldbetheultimatetriumphofhumanreason--forthenwewouldknowthemindofGod."PaulDavies,anAustralianphysicist,echoesthatviewbysuggestingthatthehumanmindmaybeabletograspsomeofthesecretsencompassedbythetitleofhisbookTheMindofGod(1992).Othercontemporaryscientistswriteof"theoriesofeverything,"meaningtheoriesthatexplainallobservablephysicalphenomena,andNobelLaureateStevenWeinberg,oneofthefoundersofthecurrentstandardmodelofphysicaltheory,writesofhisDreamsofaFinalTheory(1992).
Despitetheeminenceandobviousyearningoftheseandmanyothercontemporaryscientists,thereisnothinginthehistoryofsciencetosuggestthatanyadditionofdataortheoriestothebodyofscientificknowledgewilleverprovideanswerstoallquestionsinanyfield.Onthecontrary,thehistoryofscienceindicatesthatincreasingknowledgebringsawarenessofnewareasofignoranceandofnewquestionstobeanswered.
Astronomyisthemostancientofthesciences,anditsdevelopmentisamodelofotherfieldsofknowledge.Peoplehavebeenobservingthestarsandothercelestialbodiessincethedawnofrecordedhistory.Asearlyas3000B.C.theBabyloniansrecognizedanumberoftheconstellations.InthesixthcenturyB.C.,PythagorasproposedthenotionofasphericalEarthandofauniversewithobjectsinitchatmovedinaccordancewithnaturallaws.LaterGreekphilosopherstaughtthattheskywasahollowglobesurroundingtheEarth,thatitwassupportedonanaxisrunningthroughtheEarth,andchatstarswereinlaidonitsinnersurface,whichrotatedwestwarddaily.InthesecondcenturyA.D.,Ptolemypropoundedatheoryofageocentric(Earth-centered)universeinwhichthesun,planets,andstarsmovedincircularorbitsofcyclesandepicyclesaroundtheEarth,althoughtheEarthwasnotattheprecisecenteroftheseorbits.Whilesom
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