„Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality.“

"Radio Power Will Revolutionize the World" in Modern Mechanics and Inventions (July 1934)

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Nikola Tesla fotka
Nikola Tesla9
srbský americký vynálezca 1856 - 1943

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Albert Einstein fotka

„But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.“

—  Albert Einstein German-born physicist and founder of the theory of relativity 1879 - 1955

Earliest source located is the book Brighter than a Thousand Suns: A Personal History of the Atomic Scientists by Robert Jungk (1958), p. 249, which says that Einstein made the comment during "a walk with Ernst Straus, a young mathematician acting as his scientific assistant at Princeton."
Variant: "Equations are more important to me, because politics is for the present, but an equation is something for eternity." From A Briefer History of Time by Stephen Hawking (2005), p. 144 http://books.google.com/books?id=4Y0ZBW19n_YC&lpg=PP1&pg=PA144#v=onepage&q&f=false.
Earlier, Straus recalled the German version of the quote in Helle Zeit, Dunkle Zeit: In Memoriam Albert Einstein (1956) edited by Carl Seelig<!-- Zurich: Europa Verlag -->, p. 71. There the quote was given as Ja, so muß man seine Zeit zwischen der Politik und unseren Gleichungen teilen. Aber unsere Gleichungen sind mir doch viel wichtiger; denn die Politik ist für die Gegenwart da, aber solch eine Gleichung is etwas für die Ewigkeit.
Attributed in posthumous publications
Kontext: Yes, we now have to divide up our time like that, between politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.

Stephen Hawking fotka
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Subrahmanyan Chandrasekhar fotka

„all the standard equations of mathematical physics can be separated and solved in Kerr geometry.“

—  Subrahmanyan Chandrasekhar physicist 1910 - 1995

From Chandrasekhar's Nobel lecture, in his summary of his work on black holes; Republished in: D. G. Caldi, ‎George D. Mostow (1989) Proceedings of the Gibbs Symposium: Yale University, May 15-17, 1989 p. 230

F. J. Duarte fotka

„The intimate relation between interference and diffraction has its origin in the interference equation itself.“

—  F. J. Duarte Chilean-American physicist 1954

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„The equation which always holds in the case of a normal exchange is an equation not of labour, but of abstract utility, significantly called worth.“

—  Philip Wicksteed English economist 1844 - 1927

Pages 713–714.
"The Marxian Theory of Value: Das Kapital: A Criticism" (1884)
Kontext: It is true also that Marx elsewhere virtually defines value so as to make it essentially dependent upon human labour (p. 81 [43a]). But for all that his analysis is based on the bare fact of exchangeability. This fact alone establishes Verschiedenkeit and Ghichheit, heterogeneity and homogeneity. Any two things which normally exchange for each other, whether products of labour or not, whether they have, or have not, what we choose to call value, must have that "common something" in virtue of which things exchange and can be equated with each other; and all legitimate inferences as to wares which are drawn from the bare fact of exchange must be equally legitimate when applied to other exchangeable things. Now the "common something," which all exchangeable things contain, is neither more nor less than abstract utility, i. e. power of satisfying human desires. The exchanged articles differ from each other in the specific desires which they satisfy, they resemble each other in the degree of satisfaction which they confer. The Verschiedenheit is qualitative, the Gleichheit is quantitative.It cannot be urged that there is no common measure to which we can reduce the satisfaction derived from such different articles as Bibles and brandy, for instance (to take an illustration suggested by Marx), for as a matter of fact we are all of us making such reductions every day. If I am willing to give the same sum of money for a family Bible and for a dozen of brandy, it is because I have reduced the respective satisfactions their possession will afford me to a common measure, and have found them equivalent. In economic phrase, the two things have equal abstract utility for me. In popular (and highly significant) phrase, each of the two things is worth as much to me as the other.Marx is, therefore, wrong in saying that when we pass from that in which the exchangeable wares differ (value in use) to that in which they are identical (value in exchange), we must put their utility out of consideration, leaving only jellies of abstract labour. What we really have to do is to put out of consideration the concrete and specific qualitative utilities in which they differ, leaving only the abstract and general quantitative utility in which they are identical.This formula applies to all exchangeable commodities, whether producible in indefinite quantities, like family Bibles and brandy, or strictly limited in quantity, like the "Raphaels," one of which has just been purchased for the nation. The equation which always holds in the case of a normal exchange is an equation not of labour, but of abstract utility, significantly called worth. … A coat is made specifically useful by the tailor's work, but it is specifically useful (has a value in use) because it protects us. In the same way, it is made valuable by abstractly useful work, but it is valuable because it has abstract utility.

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„Equations are just the boring part of mathematics. I attempt to see things in terms of geometry.“

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Richard Feynman fotka

„The same equations have the same solutions“

—  Richard Feynman American theoretical physicist 1918 - 1988

volume II; lecture 12, "Electrostatic Analogs"; p. 12-1
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„The rigid electron is in my view a monster in relation to Maxwell's equations, whose innermost harmony is the principle of relativity.“

—  Hermann Minkowski German mathematician and physicist 1864 - 1909

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Joseph Massad fotka

„Moreover, the lie that the film propagates claiming that I would equate Israel with Nazi Germany is abhorrent. I have never made such a reprehensible equation.“

—  Joseph Massad Associate Professor of Arab Studies 1963

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On Comparisons of Israel to Nazi Germany

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