Show sure upon mans ID stan 9 word examine data pro con seem optimistic rather dr view effect being longevity HUMANITY LONGER LIVED kept long period prove average duration human life great ago average length human retention intellectual prime life age limit practice ben forward instance cancer heart lent century ago say appear recent ix trustworthy exhaustive official geneva fruitful 60 70 age phenomenon tar tar far today wu ago napoleon career 8 von Molt Mo Itkes slid begun far gnat gnat great achieve till 70 true war true diplomacy law medicine every field mental energy indispensable dear dear bear german dr emil prove strength sad susceptible something COB COB con whole acts bear true true trite human life complex sud period 46 9 pol roll |