00326    a2200121   4500245008200000260000900082650002500091650001500116650001300131650001300144650002200157700002500179  aIdeas that spaped our worldbunderstanding the great concepts of then and now  c1997  aCivilization- modern  aPhilosophy  aCulture   aconcepts  aInterlectual life  aRobert Stewart eed.