U.S. industries from steel-making to plastics synthesis are among the world's most energy-efficient; American agriculture is highly productive, as are America's railroads. But for decades, Americans themselves have been living beyond their means, wasting energy in their houses and cars and amassing energy-intensive throwaway products on credit.

"Am I right in suggesting that ordinary life is a mean between these extremes, that the noble man devotes his material wealth to lofty ends, the advancement of science, or art, or some such true ideal; and that the base man does the opposite by concentrating all his abilities on the amassing of wealth?'