“There is a mistake into which several have fallen, and have deceived others, and perhaps themselves, by clothing some false reasoning in what they called a mathematical dress, imagining that by the application of mathematical symbols to their subject, they secured mathematical argument. This could not have happened if they had possessed a knowledge of the bounds within which the empire of mathematics is contained. That empire is sufficiently wide, and might have been better known, had the time which has been wasted in aggressions upon the domains of others, been spent in exploring the immense tracts which are yet untrodden.”

— Augustus De Morgan

Source: On the Study and Difficulties of Mathematics (1831), Ch. I.

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Augustus De Morgan 41

British mathematician, philosopher and university teacher (… 1806–1871

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