I think one of the most important directions to be pursued in the 'sciences of human action' is to develop a natural-law ethics based on nature rather than, or at least to supplement, ethics based on theological revelation.

Famine emerges from a lack of interlocal trade; when one locality's food crop fails, since there is virtually no trade with other localities, the bulk of the people starve. It is precisely the permeation of the free market throughout the world that has virtually ended this scourge of famine by permitting trade between areas.

Man is born a tabula rasa; he must learn how to choose the ends that are proper for him and the means that he must adopt to attain them. All this must be done by his reason.

Murray Rothbard Quotes