10. Adam Smith argued that self -interested motives can lead to productive behavior that benefits society and not just the actor. Smith first noted the power of this form of __ The Theory of Moral Sentiments (1759).Then, he made the argument famous in his classic 1776 treatise The Wealth of Nations. -motivation, in his first major work, (B) motivation. In his first major work, motivation in his first major work, (D) motivation in his first major work;