No one may threaten or commit violence ('aggress') against another man's person or property. Violence may be employed only against the man who commits such violence; that is, only defensively against the aggressive violence of another. In short, no violence may be employed against a non-aggressor. Here is the fundamental rule from which can be deduced the entire corpus of libertarian theory.
Murray RothbardGold was not selected arbitrarily by governments to be the monetary standard. Gold had developed for many centuries on the free market as the best money; as the commodity providing the most stable and desirable monetary medium.
Murray RothbardIf you wish to know how libertarians regard the State and any of its acts, simply think of the State as a criminal band, and all of the libertarian attitudes will logically fall into place.
Murray RothbardSubjectivism is not an absolute principle; it is a necessary but not sufficient condition for sound methodology.
Murray RothbardInstead of a bumbling and inefficient tool of society, the radical [libertarian] sees the State itself, in its very nature, as coercive, exploitative, parasitic, and hence profoundly antisocial. The State is, and always has been, the great single enemy of the human race, its liberty, happiness, and progress.
Murray Rothbard