"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."

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During the Second War, the U.S.O. sent special issues of the principal American magazines to the Armed Forces, with the ads omitted. The men insisted on having the ads back again. Naturally. The ads are by far the best part of any magazine or newspaper. More pains and thought, more wit and art go into the making of an ad than into any prose feature of press or magazine. Ads are news. What is wrong with them is that they are always good news.

— Marshall McLuhan