society   modern   lacking   ancestors   ways   people   governed   philosophy   reason   evolved   evidence   freedom   aspired   current   state   failed   attain   meeting   fate   dreams   reached   sky   climb   metal   tubes   fly   disease   illness   killed   teens   eradicated   vaccines   medicine   illnesses   millions   buried   clay   lived   food   day   throw   development   changed   positive   remember   planet   ablaze   currently   sustainable   surely   changeable   compared   faced   attainable   deny   going   argue   continue   wrong   forgetting   face   lack   clean   water   disgrace   science   continues   advance   forget   recognize   fortunate   maintain   environment   passed