People do not cooperate under the division of labor because they love or should love one another. They cooperate because this best serves their own interests. Neither love nor charity nor any other sympathetic sentiments but rightly understood selfishness is what originally impelled man to adjust himself to the requirements of society, to respect the rights and freedoms of his fellow men and to substitute peaceful collaboration for enmity and conflict.
Ludwig von MisesGovernments, political parties, pressure groups, and the bureaucrats of the educational hierarchy think they can avoid the inevitable consequences of unsuitable measures by boycotting and silencing the independent economists. But truth persists and works, even if nobody is left to utter it.
Ludwig von Mises