"Considerable obstacles generally present themselves to the beginner,……" — Augustus De Morgan
"Considerable obstacles generally present themselves to the beginner, in studying the elements of Solid Geometry, from the practice which has hitherto uniformly prevailed in this country, of never submitting to the eye of the student, the figures on whose properties he is reasoning, but of drawing perspective representations of them upon a plane. ...I hope that I shall never be obliged to have recourse to a perspective drawing of any figure whose parts are not in the same plane."
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Augustus De Morgan
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25 Quotes by Augustus De Morgan
Augustus De Morgan has 25 quotes on this site.
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During the last two centuries and a half, physical knowledge has been gradually made to rest upon a basis which…
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[About Francis Baily] The history of the astronomy of the nineteenth century will be incomplete without a catalogue of his…
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Common integration is only the memory of differentiation...
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I was x years old in the year x2.
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Imagine a person with a gift of ridicule [He might say] First that a negative quantity has no logarithm; secondly…
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Lagrange, in one of the later years of his life, imagined that he had overcome the difficulty (of the parallel…
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The imaginary expression √(-a) and the negative expression -b, have this resemblance, that either of them occurring as the solution…
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The moving power of mathematical invention is not reasoning but imagination.
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The gambling reasoner is incorrigible; if he would but take to the squaring of the circle, what a load of…
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It is easier to square a circle than to get round a mathematician.
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I am perfectly convinced that I have both seen, and heard in a manner which should make unbelief impossible, things…
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Great fleas have little fleas upon their backs to bite 'em, And little fleas have lesser fleas, and so ad…
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