Knowledge

Man can never become omniscient. He can never be absolutely certain that his inquiries were not misled and that what he considers as certain truth is not error. All that man can do is to submit all his theories again and again to the most critical reexamination.

Human Action, p. 68; p. 68

Every branch of knowledge has its own merits and its own rights. Economists have never tried to belittle or deny the significance of economic history. Neither do real historians object to the study of economics.

Human Action, p. 864; p. 868

Human reasoning does not have the power to exhaust completely the content of the universe.

Epistemological Problems of Economics, p. 48

Cognition is furthered only by clarity and distinctness, never by compromises.

Epistemological Problems of Economics, p. 206