Subjectivism is not an absolute principle; it is a necessary but not sufficient condition for sound methodology.

After the Volcker Fund collapsed, I got another grant from the Lilly Endowment to do a history of the U.S., which I worked on from 1962-66. The original idea was to take the regular facts and put a libertarian assessment on everything.

Positivism eliminates any kind of natural law principle - for example, that there are economic laws which can be transgressed only at your peril. With positivism, there is a tendency to leap into ad hoc economic theory.

Murray Rothbard Quotes