The supremacy of public opinion determines not only the singular role that economics occupies in the complex of thought and knowledge. It determines the whole process of human history.
New ideas and innovations are always an achievement of uncommon men. But these great men cannot succeed in adjusting social conditions to their plans if they do not convince public opinion.
Capitalism gave the world what it needed, a higher standard of living for a steadily increasing number of people. But the liberals, the pioneers and supporters of capitalism, overlooked one essential point. A social system, however beneficial, cannot work if it is not supported by public opinion. They did not anticipate the success of the anticapitalistic propaganda.