„Understanding is, after all, what science is all about — and science is a great deal more than mindless computation.“

—  Roger Penrose, As quoted in The Golden Ratio : The Story of Phi, the World's Most Astonishing Number (2002) by Mario Livio, p. 201.
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„We suffer a great deal today from the bogus certainties and precisions of the pseudo-sciences which include all the social sciences including economics.“

—  John James Cowperthwaite British colonial administrator 1915 - 2006
Official Report of Proceedings of the Hong Kong Legislative Council, Context: But what I really believe is that both he and Mr Wong are innocently guilty of the twentieth century fallacy that technology can be applied to the conduct of human affairs. They cannot believe that anything can work efficiently unless it has been programmed by a computer and have lost faith in the forces of the market and the human actions and reactions that make it up. But no computer has yet been devised which will produce accurate results from a diet of opinion and emotion. We suffer a great deal today from the bogus certainties and precisions of the pseudo-sciences which include all the social sciences including economics. An article I recently read referred to the academic’s “infernal economic arithmetic which ignores human responses”. Technology is admirable on the factory floor but largely irrelevant to human affairs. March 27, 1968, page 213.

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„Science is what we understand well enough to explain to a computer. Art is everything else we do.“

—  Donald Ervin Knuth, Things a Computer Scientist Rarely Talks About
Foreword to the book A=B http://www.cis.upenn.edu/~wilf/AeqB.html (1996)

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„As a result, the topic became – primarily in the USA – prematurely known as ‘computer science’ – which, actually, is like referring to surgery as ‘knife science’ – and it was firmly implanted in people’s minds that computing science is about machines and their peripheral equipment. Quod non“

—  Edsger W. Dijkstra Dutch computer scientist 1930 - 2002
1980s, Context: A confusion of even longer standing came from the fact that the unprepared included the electronic engineers that were supposed to design, build and maintain the machines. The job was actually beyond the electronic technology of the day, and, as a result, the question of how to get and keep the physical equipment more or less in working condition became in the early days the all-overriding concern. As a result, the topic became – primarily in the USA – prematurely known as ‘computer science’ – which, actually, is like referring to surgery as ‘knife science’ – and it was firmly implanted in people’s minds that computing science is about machines and their peripheral equipment. Quod non [Latin: "Which is not true"]. We now know that electronic technology has no more to contribute to computing than the physical equipment. We now know that programmable computer is no more and no less than an extremely handy device for realizing any conceivable mechanism without changing a single wire, and that the core challenge for computing science is hence a conceptual one, viz., what (abstract) mechanisms we can conceive without getting lost in the complexities of our own making. Dijkstra (1986) On a cultural gap http://www.cs.utexas.edu/users/EWD/transcriptions/EWD09xx/EWD924.html (EWD 924).

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„All of science is nothing more than the refinement of everyday thinking.“

—  Albert Einstein German-born physicist and founder of the theory of relativity 1879 - 1955
1930s, "Physics and Reality" in the Journal of the Franklin Institute Vol. 221, Issue 3 (March 1936) Variant translation: "The whole of science is nothing more than a refinement of everyday thinking." As it appears in the "Physics and Reality" section of the book "Out of My Later Years" by Albert Einstein (1950)

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„Trees sprout up just about everywhere in computer science…“

—  Donald Ervin Knuth, The Art of Computer Programming
The Art of Computer Programming (1968–2011), Vol. IV - A, Combinatorial Algorithms, Section 4.2.1.6 (2011)

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„Anything which uses science as part of its name isn't: political science, creation science, computer science.“

—  Hal Abelson computer scientist 1947
Source: The Nature of Belief http://www.xent.com/FoRK-archive/sept97/0213.html

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„Science fiction is, after all, the art of extrapolation.“

—  Michael Dirda American literary critic 1948
Introduction to the Everyman's Library edition of The Foundation Trilogy by Isaac Asimov, p. viii.

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„We have now a science called astronomy. That science has done more to enlarge the horizon of human thought than all things else.“

—  Robert G. Ingersoll Union United States Army officer 1833 - 1899
The trial of Charles B. Reynolds for blasphemy (1887), Context: We have now a science called astronomy. That science has done more to enlarge the horizon of human thought than all things else. We now live in an infinite universe. We know that the sun is a million times larger than our earth, and we know that there are other great luminaries millions of times larger than our sun. We know that there are planets so far away that light, traveling at the rate of one hundred and eighty- five thousand miles a second, requires fifteen thousand years to reach this grain of sand, this tear, we call the earth -- and we now know that all the fields of space are sown thick with constellations. If that statute had been enforced, that science would not now be the property of the human mind. That science is contrary to the Bible, and for asserting the truth you become a criminal. For what sum of money, for what amount of wealth, would the world have the science of astronomy expunged from the brain of man? We learned the story of the stars in spite of that statute.

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