From The Quotable Mises — surrounding passage

“Truth has its own way. It works and produces effects even if party programs and textbooks refuse to acknowledge it as truth.”

Planning for Freedom , p. 11 Truth is not the halfway point between two untruths. On the Manipulation of Money and Credit , p. 88 Yet the criterion of truth is that it works even if nobody is prepared to acknowledge it. The Ultimate Foundation of Economic Science , p. 94 At least one of the characteristic marks of a true theory is that action based on it succeeds in attaining the expected result. In this sense, truth works while untruth does not work. Theory and History , p.