Retention Quotes (5 quotes)
Intelligence is the capacity to learn. Learning is based on the acquisition of new knowledge about the environment. Memory is its retention.
J. J. Sylvester was an enthusiastic supporter of reform [in the teaching of geometry]. The difference in attitude on this question between the two foremost British mathematicians, J. J. Sylvester, the algebraist, and Arthur Cayley, the algebraist and geometer, was grotesque. Sylvester wished to bury Euclid deeper than eer plummet sounded out of the schoolboys reach; Cayley, an ardent admirer of Euclid, desired the retention of Simsons Euclid. When reminded that this treatise was a mixture of Euclid and Simson, Cayley suggested striking out Simsons additions and keeping strictly to the original treatise.
In History of Elementary Mathematics (1910), 285.
Progress, far from consisting in change, depends on retentiveness. When change is absolute there remains no being to improve and no direction is set for possible improvement: and when experience is not retained, as among savages, infancy is perpetual. Those who cannot remember the past are condemned to repeat it.
The Life of Reason, or the Phases of Human Progress (1954), 82.
The present state of electrical science seems peculiarly unfavorable to speculation
to appreciate the requirements of the science, the student must make himself familiar with a considerable body of most intricate mathematics, the mere retention of which in the memory materially interferes with further progress. The first process therefore in the effectual study of the science, must be one of simplification and reduction of the results of previous investigation to a form in which the mind can grasp them.
First sentence of Maxwells first paper (read 10 Dec 1855), 'On Faradays Lines of Force', Transactions of the Cambridge Philosophical Society (1857), Vol. X, part I. Collected in William Davidson Niven (ed.), The Scientific Papers of James Clerk Maxwell (1890), Vol. 1, 155.
There exists for every liquid a temperature at which no amount of pressure is sufficient to retain it in the liquid form.
[These words are NOT by Thomas Andrews. See below.]
This is NOT a quote by Andrews. It is only included here to provide this caution, because at least one book attributes it incorrectly to Andrews, as in John Daintith, Biographical Encyclopedia of Scientists (3rd. ed., 2008), 19. Webmaster has determined that these words are those of William Allen Miller, in Elements of Chemistry (1855), Vol. 1, 257. In the article on Thomas Andrews in Charles Coulston Gillespie (ed.), Dictionary of Scientific Biography (1970), Vol. 1, 161, the later, third edition (1863) of Miller's textbook is named as the first printed account of Andrews' work. (Andrews had furnished his experimental results to Miller by letter.) After stating Miller's description of Andrews' results, the article in DSB refers ambiguously to his summary and gives the quote above. No quotation marks are present in Miller's book. Specifically, in fact, the words in the summary are by Miller. This is seen in the original textbook, because Miller prefaced the quote with From these experiments it is obvious that... and is summarizing the related work of several scientists, not just Andrews. Miller described the earlier experiments of those other researchers in the immediately preceding pages. It is clear that the quote does not come from Andrews when comparing Miller's first edition (1855), which had not yet included the work by Andrews. Thus, the same summary words (as quoted above) in the earliest edition refer to the experiments of only the other researchers, not including Andrews. Furthermore, the quote is not present in the Bakerian Lecture by Andrews on his work, later published in Philosophical Transactions of the Royal Society (1869). Webmaster speculates Daintith's book was written relying on a misreading of the ambiguous sentence in DSB.