Comprehending the Moral Dimensions of Market Economy by "Smith's Question"

Adam Smith as a founder of Classic economics,his Theory of Morality and Sentiment and Research on the Nature and the Reason of National Wealth helped to fund his historical position in ethics and economics.Two books discussed human nature,but the meanings of human nature were varied in both works.This caused question.The debate on Smith's question realizes its unity between homo economics and homo morality and throws light on their unity that the development of market economy is in accord with morality and economy can't develop without the support of morality.