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.
Ludwig von MisesWelfare policies never attain those - allegedly beneficial - ends which the government and the self-styled progressives who advocated them wanted to attain, but - on the contrary - bring about a state of affairs which - from the very point of view of the government and its supporters - is even more unsatisfactory than the previous state of affairs they wanted to 'improve.'
Ludwig von Mises