A commonplace criticism of American culture is its excessive preoccupation with material goods and corresponding neglect of the human spirit. Americans, it is alleged, worship only "the almighty dollar". We scramble to "keep up with the Joneses". The love affair between Americans and their automobiles has been a continuing subject of derisive commentary by both foreign and domestic critics. Americans are said to live by a quantitative ethic. Bigger is better, whether in bombs or sedans. The classical virtues of grace, harmony, and economy of both means and ends are lost on most Americans. As a result, we are said to be swallowing up the world"s supply of natural resources, which are irreplaceable. Americans constitute 6 percent of the world"s population but consume over a third of the world"s energy. These are now familiar complaints. Indeed, in some respects Americans may believe the "pursuit of happiness" to mean the pursuit of material things. Americans are said to live by a quantitative ethic.