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1、__________________________________________________PresidentPitzer,Mr.VicePresident,Governor,CongressmanThomas,SenatorWiley,andCongressmanMiller,Mr.Webb,Mr.Bell,scientists,distinguishedguests,andladiesandgentlemen:Iappreciateyourpresidenthavingmademeanhonoraryvisitingprofessor,
2、andIwillassureyouthatmyfirstlecturewillbeverybrief.IamdelightedtobehereandI'mparticularlydelightedtobehereonthisoccasion.Wemeetatacollegenotedforknowledge,inacitynotedforprogress,inastatenotedforstrength,andwestandinneedofallthree,forwemeetinanhourofchangeandchallenge,inadecad
3、eofhopeandfear,inanageofbothknowledgeandignorance.Thegreaterourknowledgeincreases,thegreaterourignoranceunfolds.Despitethestrikingfactthatmostofthescientiststhattheworldhaseverknownarealiveandworkingtoday,despitethefactthatthisNation'sownscientificmanpowerisdoublingevery12year
4、sinarateofgrowthmorethanthreetimesthatofourpopulationasawhole,despitethat,thevaststretchesoftheunknownandtheunansweredandtheunfinishedstillfaroutstripourcollectivecomprehension.Nomancanfullygrasphowfarandhowfastwehavecome,butcondense,ifyouwill,the50,000yearsofman'srecordedhist
5、oryinatimespanofbutahalf-century.Statedintheseterms,weknowverylittleaboutthefirst40years,exceptattheendofthemadvancedmanhadlearnedtousetheskinsofanimalstocoverthem.Thenabout10yearsago,underthisstandard,manemergedfromhiscavestoconstructotherkindsofshelter.Onlyfiveyearsagomanlea
6、rnedtowriteanduseacartwithwheels.Christianitybeganlessthantwoyearsago.Theprintingpresscamethisyear,andthenlessthantwomonthsago,duringthiswhole50-yearspanofhumanhistory,thesteamengineprovidedanewsourceofpower.Newtonexploredthemeaningofgravity.Lastmonthelectriclightsandtelephone
7、sandautomobilesandairplanesbecameavailable.Onlylastweekdidwedeveloppenicillinandtelevisionandnuclearpower,andnowifAmerica'snewspacecraftsucceedsinreachingVenus,wewillhaveliterallyreachedthestarsbeforemidnighttonight.Thisisabreathtakingpace,andsuchapacecannothelpbutcreatenewill
8、sasitdispelsold,newignorance,newproblems,newdangers.Surelythe
