Economics is haunted by more fallacies than any other study known to man. This is no accident. The inherent difficulties of the subject would be great enough in any case, but they are multiplied a thousandfold by a factor that is insignificant in , say, physics, mathematics, or medicine -- the special pleading of selfish interests.

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Before we can study the central issues of life today, we must destroy the prejudices and fallacies born of previous centuries

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Any proposition containing the word 'is' creates a linguistical structural confusion which will eventually give birth to serious fallacies.

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…one of the great fallacies in this calculation is that they are assuming that the mouse or rat or the hamster predicts for man, and we have no basis for this prediction…So it’s again a half-baked guess… Does the animal model have any relevance to human disease? If not we’re wasting a lot of time, a lot of money, a lot of good scientists, and a lot of good space at NIH… I completely agree with Dr. Clayton that extrapolation is unscientific… the chief objective here is to keep us all employed and to make sure we do interesting experiments so we can keep coming back to nice places like this.

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Fallacies do not cease to be fallacies because they become fashions.

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