“I would suggest… the idea of a work which should have for its object the analytic examination of the development of our intellectual faculties for each age. Now, I have aimed to present, in the work here reproduced, only an essay, only a particular example, of such an analysis, "which tends to show that the maximum of energy of the passions occurs about the age of twenty-five." The minimum is not then determined; and even when it shall be, by a sufficient number of observations, one will no more be able to apply it to any given individual in particular, than one could make use of a table of mortality to determine the period of his decease.”

— Adolphe Quetelet

Preface of M. Quetelet
A Treatise on Man and the Development of His Faculties (1842)

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Adolphe Quetelet 52

Belgian astronomer, mathematician, statistician and sociolo… 1796–1874

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Duncan Gregory (1813–1844) British mathematician

p. iii http://books.google.com/books?id=h7JT-QDuAHoC&pg=PR3; Lead paragraph of the Preface; Highlighted section cited in: Patricia R. Allaire and Robert E. Bradley. " Symbolical algebra as a foundation for calculus: DF Gregory's contribution http://poncelet.math.nthu.edu.tw/disk5/js/history/gregory.pdf." Historia Mathematica 29.4 (2002): p. 408
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“When this war is won by this nation, as it surely will be, it must be one of our aims to work to establish a state of society where the advantage and privileges which hitherto have been enjoyed only by the few shall be far more widely shared by the many and the youth of the nation as a whole.”

Winston S. Churchill book The Second World War

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The primary aim of the study is not to determine and state in summary form what these writers said or believed about the subjects they wrote about. Nor is it to inquire directly with reference to each proposition of their "theories" whether what they have said is tenable in the Hght of present sociological and related knowledge. Both these questions must be asked repeatedly, but what is important is not so much the fact that they are asked, or even answered, but the context in which this takes place.”

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“Twenty, or ten, or even three years ago, no one in his right mind would have dreamed of tagging me with that designation. Why then, at this particular juncture, should it occur to a presumably well-informed person to call me a conservative, when my whole philosophy of life is openly and notoriously the same that it has been for twenty-five years?”

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Context: I was mildly astonished to hear the other day that a person very much in the public eye, and one who would seem likely to know something of what I have been up to during all these years, had described me as "one of the most intelligent conservatives in the country." It was a kind and complimentary thing to say, and I was pleased to hear it, but it struck me nevertheless as a rather vivid commentary on the value and the fate of labels. Twenty, or ten, or even three years ago, no one in his right mind would have dreamed of tagging me with that designation. Why then, at this particular juncture, should it occur to a presumably well-informed person to call me a conservative, when my whole philosophy of life is openly and notoriously the same that it has been for twenty-five years?... It seems that the reason for so amiably labeling me a conservative in this instance was that I am indisposed to the present Administration. This also appears to be one reason why Mr. Sokolsky labels himself a conservative, as he did in the very able and cogent paper which he published in the August issue of the Atlantic. But really, in my case this is no reason at all, for my objections to the Administration's behavior rest no more logically on the grounds of either conservatism or radicalism than on those of atheism or homoeopathy.

“Preparatory Men. — I welcome all signs that a more virile, warlike age is about to begin, which will restore honor to courage above all! For this age shall prepare the way for one yet higher, and it shall gather the strength that this higher age will require some day — the age that will carry heroism into the search for knowledge and that will wage wars for the sake of ideas and their consequences.”

Friedrich Nietzsche (1844–1900) German philosopher, poet, composer, cultural critic, and classical philologist

The Gay Science (1882)

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Adolphe Quetelet 52

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