Ideology

No one can escape the influence of a prevailing ideology.

Epistemological Problems of Economics, p. 197

There is no use in dealing in a summary way with any ideology however foolish and contradictory it may appear. Even a manifestly erroneous doctrine should be refuted by careful analysis and the unmasking of the fallacies implied. A sound doctrine can win only by exploding the delusions of its adversaries.

The Theory of Money and Credit, pp. 455–56