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1、TheRainbowofKnowledgeFormorethan3/4ofmylife—39ofmy50years—I’veeitherstudiedortaughtinaschoolorcollegeinNewYork.Youmightthink,then,thatafterallthistimeI’dhavesomegraspofthesituation,thatI’dactuallyknowthings—thatI’dhavesomepositivesenseofassurance,ofcertainty,aboutknowl
2、edgeandaboutlife.ButIdon’t.Infact,themoreIknow,themoreIknowIdon’tknow.TosaythatthemoreIknow,themoreIknowIdon’tknowis,ofcourse,contradictory.Butthen,modernphysicstellsusthatrealityitselfiscontradictory.Themorescientistslookintoourphysicalreality,themoreitslipsawayfromth
3、em.Inaway,themoretheylearn,thelesstheyknow.Knowledgeitselfiscontradictory.Forexample,pictureyourknowledgeasadot,asperhapstheperiodattheendofthissentence.Noticethetinycircumferenceofthatperiod,andletthatrepresenttheinterfaceoftheknownwiththeunknown—inotherwords,yourawar
4、enessofwhatyoudon’tknow.Butnowimaginethatlittleperiodgrowing,itsblacknessconsumingmoreandmoreofthepage.Asitgrows,sodoesitscircumference.Andifthatgrowingblacknessrepresentsknowledge,thenasitgrows,sodoestheawarenessofwhatremainsunknown.Inotherwords,themoreyouknow,themore
5、youknowyoudon’tknow.Nodoubtyouhaveexperiencedthisyourselfinyourownpersonalquestsforknowledge.Atfirst,youdon’tevenknowafieldoflearningexists.It’sbeenthereallalong,ofcourse;youjusthaven’tnoticeditbefore.WhenIgotmyfirstcomputerin1988,Iwalkeddowntothemagazinestore,hopingto
6、findsomethingaboutcomputingandwasamazedatthenumberofchoices.Likewise,whenIluckedintoanopportunitytoteachfilmanalysis,Ifoundmyselfdazzledatthesheernumberofbooksdevotedtothesubject.Let’ssayyoudecidetolearnaboutthistopic.Youbuyoneofthesebooks,thebestandmostcompleteoneyouc
7、anfind(orsoyouthink),orperhapsyouborrowitfromthelibrary.Butyouquicklyfindthatyourreading,ratherthanansweringquestions,onlycreatesmoreofthem.Earlierthisyear,forexample,InotonlyhadnoideathatIhadanyinterestatallintherelationshipoftechnologytofreedom;Ididn’tevenrealizethat
8、aconnectionbetweenthemmightexist.SoIstartedreadingbooksandbecamemoreandmoreawareoftherelationshipbetweentechnologyand