“The philosophy of science is concerned with how you decide if a scientific finding is correct or true. You have to establish criteria to determine if the finding or theory is valid. Validity is a fundamental problem in the philosophy of science, but the fundamental problem in the philosophy of scientific administration is the question of value. Two scientific activities are equally valid if they achieve results that are true. Now, how do you decide which activity is more valuable? The question of value is the basic question that the scientific administrator asks so that decisions can be made about funding priorities.”

— Alvin M. Weinberg

Interview http://www.ornl.gov/info/ornlreview/rev28-1/text/wbgbar.htm by Bill Cabage and Carolyn Krause for the ORNL Review (April 1995).

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Alvin M. Weinberg 3

American nuclear physicist 1915–2006

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“The philosophy of science is concerned with how you decide if a scientific finding is correct or true. You have to establish criteria to determine if the finding or theory is valid. Validity is a fundamental problem in the philosophy of science, but the fundamental problem in the philosophy of scientific administration is the question of value.”

Alvin M. Weinberg (1915–2006) American nuclear physicist

Two scientific activities are equally valid if they achieve results that are true. Now, how do you decide which activity is more valuable? The question of value is the basic question that the scientific administrator asks so that decisions can be made about funding priorities.
Interview http://www.ornl.gov/info/ornlreview/rev28-1/text/wbgbar.htm by Bill Cabage and Carolyn Krause for the ORNL Review (April 1995).

“Science has long been in the value business. Despite a widespread belief to the contrary, scientific validity is not the result of scientists abstaining from making value judgments; rather, scientific validity is the result of scientists making their best efforts to value principles of reasoning that link their beliefs to reality, through reliable chains of evidence and argument. This is how norms of rational thought are made effective… The answer to the question "What should I believe, and why should I believe it?"”

Sam Harris (1967) American author, philosopher and neuroscientist

is generally a scientific one.
Source: 2010s, The Moral Landscape (2010), p. 143–144

“If philosophy does not resolve any scientific problem, science, in its turn, does not resolve any philosophical problem.”

Nicolás Gómez Dávila (1913–1994) Colombian writer and philosopher

Sucesivos Escolios a un Texto Implícito (1992)

“A theory is only as good as its assumptions. If the premises are false, the theory has no real scientific value. The only scientific criterion for judging the validity of a scientific theory is a confrontation with the data of experience.”

Maurice Allais (1911–2010) French economist; 1988 winner of the Nobel Memorial Prize in Economics

L'anisotropie de l'espace. La nécessaire révision de certains postulats des théories contemporaines. Les données de l'expérience (1997), p. 591

“While it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods; and what science cannot discover, mankind cannot know.”

Bertrand Russell book Religion and Science

Religion and Science (1935), Ch. IX: Science of Ethics.
1930s
Variant: "What science cannot tell us, mankind cannot know." (Attributed to Russell in Ted Peters' Cosmos As Creation: Theology and Science in Consonance [1989], p. 14, with a note that it was "told [to] a BBC audience [earlier this century]").

“Semiotic itself neither rests on nor necessarily implies a particular philosophy. A science of signs no more decides between an 'empirical' and a 'non-empirical' philosophy than it decides between a 'naturalistic' and a 'supernaturalistic' religion. In itself it cannot force one to believe only scientifically verified statements, nor to use only scientific discourse, nor to form one's appraisals and prescriptions in the light of science. It will nevertheless have a profound influence on the course of philosophy, since it deals with topics peculiarly relevant to philosophic systematization… In this sense, the philosophy of the future will be semiotically oriented. But the nature of this influence will not always be the same, and will depend upon the role which given individuals and societies assign to scientific knowledge.”

Charles W. Morris (1903–1979) American philosopher

Source: Signs, Language and Behavior, 1946, p. 238; as cited in: Adam Schaff (1962). Introduction to semantics, p. 88-89

“Since economics deals with human beings, the problems of its scientific treatment involves fundamental problems of the relations between man and his world. From a rational or scientific point of view, all practically real problems are problems in economics. The problem of life is to utilize resources "economically," to make them go as far as possible in the production of desired results. The general theory of economics is therefore simply the rationale of life. - In so far as it has any rationale! The first question in regard to scientific economics is this question of how far life is rational, how far its problems reduce to the form of using given means to achieve given ends. Now this, we shall contend, is not very far; the scientific view of life is a limited and partial view; life is at bottom an exploration in the field of values, an attempt to discover values, rather than on the basis of knowledge of them to produce and enjoy them to the greatest possible extent. We strive to "know ourselves," to find out our real wants, more than to get what we want. This fact sets a first and most sweeping limitation to the conception of economics as a science.”

Frank Knight (1885–1972) American economist

Source: "The limitations of scientific method in economics", 1924, p. 97 (2009 edition); Lead paragraph

“It was inevitable that artists should turn around and question the validity of the fundamental assumption that art aimed at representation; and the moment the question was fairly posed it became clear the pseudo scientific assumption that fidelity to appearance was the measure of art had no logical foundation.”

Roger Fry (1866–1934) English artist and art critic

Lecture to Fabian Soiety 1917 Art and Life from Vision and design by Roger Fry , Forgotten Books , 2012
Art Quotes

“Philosophy… is that activity by which the meaning of propositions is established or discovered. Philosophy elucidates propositions, science verifies them. In the later we are concerned with the truth of statements, but in the former with what they actually mean.”

Moritz Schlick book Théorie générale de la connaissance

Source: Allgemeine Erkenntnislehre, 1925, p. 157 ; As cited in: Uebel (2012:78)

“I see philosophy as a fairly abstract activity, as concerned mainly with the analysis of criticism and concepts, and of course most usefully of scientific concepts.”

Alfred Jules Ayer (1910–1989) English philosopher

As quoted in Profile of Sir Alfred Ayer (June 1971) by Euro-Television, quoted in A.J. Ayer: A Life (1999), p. 2.

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