“The secret to economic growth lay in the fact that that each generation attacked Nature not only with its own energies and resources, but with the heritage of equipment accumulated by its forebears.” FactsEnergyGrowthSecretGenerationsEconomicResourcesLaysHeritageEquipmentEconomic Growth Book:The Worldly Philosophers: The Lives, Times And Ideas Of The Great Economic Thinkers Source: The Worldly Philosophers: The Lives, Times And Ideas Of The Great Economic Thinkers