“Physical science comes nearest to that complete system of exact knowledge which all sciences have before them as an ideal. Some fall far short of it. The physicist who inveighs against the lack of coherence and the indefiniteness of theological theories, will probably speak not much less harshly of the theories of biology and psychology. They also fail to come up to his standard of methodology. On the other side of him stands an even superior being — the pure mathematician — who has no high opinion of the methods of deduction used in physics, and does not hide his disapproval of the laxity of what is accepted as proof in physical science. And yet somehow knowledge grows in all these branches. Wherever a way opens we are impelled to seek by the only methods that can be devised for that particular opening, not over-rating the security of our finding, but conscious that in this activity of mind we are obeying the light that is in our nature.”

— Arthur Stanley Eddington

Science and the Unseen World (1929)

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Arthur Stanley Eddington 105

British astrophysicist 1882–1944

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“The beginning of the twentieth century witnessed the breakdown of the mechanistic theory even within physics, the science where it was the most successful… Relativity took over in field physics, and the science of quantum theory in microphysics… In view of parallel developments in physics, chemistry, biology, sociology, and economics, many branches of the contemporary sciences became… ‘sciences of organized complexity’ — that is, systems sciences.”

Ervin László (1932) Hungarian musician and philosopher

Source: The systems view of the world (1996), p. 8 as cited in: Martha C. Beck (2013) "Contemporary Systems Sciences, Implications for the Nature and Value of Religion, the Five Principles of Pancasila, and the Five Pillars of Islam," Dialogue and Universalism-E Volume 4, Number 1/2013. p. 3 ( online http://www.emporia.edu/~cbrown/dnue/documents/vol04.no01.2013/Vol04.01.Beck.pdf).

“Out of this basic language, we build up the other languages of the sciences, beginning with the language of physics, and proceeding to biology, psychology, and the social sciences.”

Russell L. Ackoff (1919–2009) Scientist

Charles West Churchman, Russell Lincoln Ackoff (1950) Methods of inquiry: an introduction to philosophy and scientific method. p. 185; Partly cited in: Britton, G. A., & McCallion, H. (1994). An overview of the Singer/Churchman/Ackoff school of thought. Systems Practice, Vol 7 (5), 487-521.
1950s
Context: … All other languages can be translated into the thing-language, but the thing-language cannot be translated into any other language. Its terms can only be reduced to what are called "ostensive" definitions. These consist merely of pointing or otherwise evoking a direct experience. Hence, the thing-language is absolutely basic. Out of this basic language, we build up the other languages of the sciences, beginning with the language of physics, and proceeding to biology, psychology, and the social sciences.

“The conclusion this article reaches, based on the presented arguments, is that Evolutionary Psychology (EP) may be a contribution to psychological science at several different, important levels. First, EP allows psychologists to communicate between different areas of psychological interest, and with other branches of science relevant to psychology as a life science. Second, EP provides a well-researched, rigorously formulated theory for evaluating any other psychological theory. The theory may prevent one from suggesting abilities that could not evolve but have been suggested within almost all psychological disciplines. The versatility EP shows as a theoretical framework for disciplines as different as psychoanalysis and cognitive science, suggests that EP may succeed in integrating psychological science. It also supports the claim that EP is as theoretically valid a science as cognitive science and evolutionary biology. EP also brings to psychology the focus on a theoretically rigorous and predictive theory of Human Nature, and the functional approach, which may provide maturation from the level of mere descriptive science. At the level of generating new theories and insights about Human Nature, EP seems to have proven its worth.”

Leif Edward Ottesen Kennair (1970)

"Evolutionary Psychology: An Emerging Integrative Perspective Within The Science And Practice Of Psychology" (2002)

“For, strange as the statement will appear at first sight, modern metaphysics, and to a large extent modern physical science, have been groping for centuries blindly after knowledge which occult philosophy has enjoyed in full measure all the while. Owing to a train of fortunate circumstances, I have come to know that this is the case; I have come into some contact with persons who are heirs of a greater knowledge concerning the mysteries of Nature and humanity than modern culture has yet evolved; and my present wish is to sketch the outlines of this knowledge, to record with exactitude the experimental proofs I have obtained that occult science invest its adepts with a control of natural forces superior to that enjoyed by physicists of the ordinary type, and the grounds there are for bestowing the most respectful consideration on the theories entertained by occult science concerning the constitution and destinies of the human soul.”

Alfred Percy Sinnett book The Occult World

Introduction
The Occult World

“While the new physics was developing in the 20th century, the mechanistic Cartesian world view and the principles of Newtonian physics maintained their strong influence on Western scientific thinking, and even today many scientists still hold to the mechanistic paradigm, although physicists themselves have gone beyond it.
However, the new conception of the universe that has emerged from modern physics does not mean that Newtonian physics is wrong, or that quantum theory, or relativity theory, is right. Modern science has come to realize that all scientific theories are approximations to the true nature of reality; and that each theory is valid for a certain range of phenomena.”

Fritjof Capra book The Turning Point

Source: The Turning Point (1982), p. 93.

“What I consider completely sterile is the attitude, for instance, of Bertalanffy who is going around and jumping around for years saying that all the analytical science and molecular biology doesn’t really get to interesting results; let’s talk in terms of general systems theory … there cannot be anything such as general systems theory, it’s impossible. Or, if it existed, it would be meaningless.”

Jacques Monod (1910–1976) French biologist

Monod (1974) "On chance and necessity". In F. J. Ayala & T. Dobzhansky, (Eds.), Studies in the philosophy of biology. cited in: Brian R. Gaines (1979) " General systems research: quo vadis? http://pages.cpsc.ucalgary.ca/~gaines/reports/SYS/GS79/GS79.pdf", General Systems, Vol. 24 (1979), p. 4

“I seem to have come to much of the same conclusion as you have reached, though approaching it from the direction of economics and the social sciences rather than from biology - that there is a body of what have been calling "general empirical theory," or "general system theory" in your excellent terminology, which is of wide applicability in many different disciplines. I am sure there are many people all over the world who have come to essentially the same position that we have, but we are widely scattered and do not know each other, so difficult is it to cross the boundaries of the disciplines.”

Kenneth E. Boulding (1910–1993) British-American economist

Kenneth Boulding (1953) in letter to Bertalanffy, cited in: Ludwig von Bertalanffy (1968) General System Theory. p. 14
1950s

“General Systems Theory is a name which has come into use to describe a level of theoretical model-building which lies somewhere between the highly generalized constructions of pure mathematics and the specific theories of the specialized disciplines. Mathematics attempts to organize highly general relationships into a coherent system, a system however which does not have any necessary connections with the "real" world around us. It studies all thinkable relationships abstracted from any concrete situation or body of empirical knowledge.”

Kenneth E. Boulding (1910–1993) British-American economist

Source: 1950s, General Systems Theory - The Skeleton of Science, 1956, p. 197: Opening sentences

“Science is rooted in the will to truth. With the will to truth it stands or falls. Lower the standard even slightly and science becomes diseased at the core. Not only science, but man. The will to truth, pure and unadulterated, is among the essential conditions of his existence; if the standard is compromised he easily becomes a kind of tragic caricature of himself.”

Max Wertheimer (1880–1943) Co-founder of Gestalt psychology

Source: "On Truth," 1934, p. 19 (1961 edition)

“Although what is called ‘philosophical speculation’ is undoubtedly on the decline, many of the practically minded have not yet freed themselves from a method of reasoning, which, in the last analysis, has its roots in theology and metaphysics. No science which pretends to be exact can accept an untested theory or doctrine; yet even in an exact science there is often an admixture of magic, theology, and philosophy. It is one of the tasks of our time to aid scientific reasoning to attain its goal without hindrance. Whoever undertakes this is concerned not so much with ‘philosophy,’ properly speaking, as with ‘anti-philosophy.’ For him there is but one science with subdivisions — a unified science of sciences. We have a science that deals with rocks, another that deals with plants, a third that deals with animals, but we need a science that unites them all.”

Otto Neurath (1882–1945) austrian economist, philosopher and sociologist

Otto Neurath (1931) "Physicalism: The Philosophy of the Viennese Circle," in: The Monist, Vol. 41, No. 4 (October, 1931), pp. 618-623; Lead paragraph
1930s

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Arthur Stanley Eddington 105

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