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Most of this the naive view of self-interest leaves out of account. It forgets that self and interest are both conceived somehow, and that for the most part they are conventionally conceived. The ordinary doctrine of self-interest usually omits altogether the cognitive function. So insistent is it on the fact that human beings finally refer all things to themselves, that it does not stop to notice that men's ideas of all things and of themselves are not instinctive. They are acquired.
Thus it may be true enough, as James Madison wrote in the tenth paper of the Federalist, that "a landed interest, a manufacturing interest, a mercantile interest, a moneyed interest, with many lesser interests, grow up of necessity in civilized nations, and divide them into different classes, actuated by different sentiments and views." But if you examine the context of Madison's paper, you discover something which I think throws light upon that view of instinctive fatalism, called sometimes the economic interpretation of history. Madison was arguing for the federal constitution, and "among the numerous advantages of the union" he set forth "its tendency to break and control the violence of faction." Faction was what worried Madison. And the causes of faction he traced to "the nature of man," where latent dispositions are "brought into different degrees of activity, according to the different circumstances of civil society. A zeal for different opinions concerning religion, concerning government and many other points, as well of speculation as of practice; an attachment to different leaders ambitiously contending for preeminence and power, or to persons of other descriptions whose