“Our present knowledge of human perception leaves no doubt as to the general form of any theory which is to do justice to such knowledge: a theory of perception must be a field theory. By this we mean that the neural functions and processes with which the perceptual facts are associated in each case are located in a continuous medium.”

Source: Dynamics in Psychology, 1940, p. 55

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Wolfgang Köhler12

German-American psychologist and phenomenologist 1887–1967

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“Theory in the social sciences should have three major functions. First, it should aid in the codification of our existing concrete knowledge. It can do so by providing generalized hypotheses for the systematic reformulation of existing facts and insights, by extending the range of implication of particular hypotheses, and by unifying discrete observations under general concepts. Through codification, general theory in the social sciences will help to promote the process of cumulative growth of our knowledge. In making us more aware of the interconnections among items of existing knowledge which are now available in a scattered, fragmentary form, it will help us fix our attention on the points where further work must be done.
Second, general theory in the social sciences should be a guide to research. By codification it enables us to locate and define more precisely the boundaries of our knowledge and of our ignorance. Codification facilitates the selection of problems, although it is not, of course, the only useful technique for the selection of problems for fruitful research. Further than this, general theory should provide hypotheses to be applied and tested by the investigation of these problems…
Third, general theory as a point of departure for specialized work in the social sciences will facilitate the control of the biases of observation and interpretation which are at present fostered by the departmentalization of education and research in the social sciences.”

Talcott Parsons (1902–1979) American sociologist

Source: Toward a general theory of action (1951), p. 3

“If we accept values as given and consistent, if we postulate an objective description of the world as it really is, and if we assume that the decision maker's computational powers are unlimited, then two important consequences follow. First, we do not need to distinguish between the real world and the decision maker's perception of it: he or she perceives the world as it really is. Second, we can predict the choices that will be made by a rational decision maker entirely from our knowledge of the real world and without a knowledge of the decision maker's perceptions or modes of calculation. (We do, of course, have to know his or her utility function.)
If, on the other hand, we accept the proposition that both the knowledge and the computational power of the decision maker are severely limited, then we must distinguish between the real world and the actor's perception of it and reasoning about it. That is to say, we must construct a theory (and test it empirically) of the processes of decision. Our theory must include not only the reasoning processes but also the processes that generate the actor's subjective representation of the decision problem, his or her frame.”

Herbert A. Simon (1916–2001) American political scientist, economist, sociologist, and psychologist

H.A. Simon (1986), " Rationality in psychology and economics http://www.kgt.bme.hu/targyak/msc/ng/BMEGT30MN40/data/JoBus-86-rationality-HSimon.pdf," Journal of Business, p. 210-11” <br class="br">1980s and later

“When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is supported by great names and generally accepted.”

Claude Bernard (1813–1878) French physiologist

Introduction à l'Étude de la Médecine Expérimentale (1865)

“Discover the truth through practice, and again through practice verify and develop the truth. Start from perceptual knowledge and actively develop it into rational knowledge; then start from rational knowledge and actively guide revolutionary practice to change both the subjective and the objective world. Practice, knowledge, again practice, and again knowledge. This form repeats itself in endless cycles, and with each cycle the content of practice and knowledge rises to a higher level. Such is the whole of the dialectical-materialist theory of knowledge, and such is the dialectical-materialist theory of the unity of knowing and doing.”

Mao Zedong (1893–1976) Chairman of the Central Committee of the Communist Party of China

Concluding Paragraph
On Practice (1937)
Original: (zh-CN) 通过实践而发现真理，又通过实践而证实真理和发展真理。从感性认识而能动地发展到理性认识，又从理性认识而能动地指导革命实践，改造主观世界和客观世界。实践、认识、再实践、再认识，这种形式，循环往复以至无穷，而实践和认识之每一循环的内容，都比较地进到了高一级的程度。这就是辩证唯物论的全部认识论，这就是辩证唯物论的知行统一观。

“Our view of life must account for how we know life; biological theories must allow for their own discovery and employment. Theories of evolution must provide for the creative acts which brought such theories into existence. Beginning with our own embodiment our theory of knowledge must endorse the ways we manifestly transcend our embodiment by acts of indwelling and extension into more subtle and intangible realms of being, where we meet our ultimate ends.”

Michael Polanyi (1891–1976) Hungarian-British polymath

Transcendence And Self-Transcendence (1970)

“The "flow of information" through human communication channels is enormous. So far no theory exists, to our knowledge, which attributes any sort of unambiguous measure to this "flow."”

Anatol Rapoport (1911–2007) Russian-born American mathematical psychologist

Anatol Rapoport (1969) in: Modern Systems Research for the Behavioral Scientist. p. 139
1960s

“A theory, is a body of knowledge, that is supportive of, and explanative of facts. Scientific laws are included within a theory, facts are included within a theory, that's why you have the theory of evolution, the theory of gravity, the theory of relativity. There is no concept in creationism, which meets any of the qualifications of a scientific theory, none. You have no facts, you have no laws, you have no evidence, you have no explanative power. All you have, is whatever science can't explain, you pretend you can.”

Aron Ra (1962) Aron Ra is an atheist activist and the host of the Ra-Men Podcast

Youtube, Other, Reason Rally Ra Rant https://www.youtube.com/watch?v=isrST6wOUJA (March 28, 2012)

“I have tried to show that psychiatric research can be empirical and experimental, controlled, and operational and not dependent on inferences, analogies, or anecdotes. Hypotheses can be derived which are testable. Theory is a different matter. At the present we rely heavily on psychoanalytic theory or on still poorly formulated and defined general systems theory, information theory, or transactional theory. To explain the depth and variety of the interrelationship of somatopsychosocial facets of the totality of human behavior in process requires a unified theory of human behavior which we have not yet even approached. Integration or synthesis of biological, psychological, and social theory is not enough.”

Roy R. Grinker, Sr. (1900–1993) American psychiatrist and neurologist

Ginker (1964) as cited in: S. Nassir Ghaemi (2009) The Rise and Fall of the Biopsychosocial Model. p. 24

“The theory of transparency was set up in reaction to the theory of mental images, of an inner tableu which the perception of an object would leave in us. In imagination our gaze always goes outward, but imagination modifies and neutralizes the gaze: the real world appears in it as it were between parenthesis or quote marks.”

Emmanuel Levinas (1906–1995) French philosopher

The Levinas reader by Levinas, Emmanuel p. 134

“The second conception of the world via the medium of matter required both a visual and a tactile perception of things. In this case the whole design process tends to emanate from the specific characteristics of the respective medium used. The leader of this movement (Tatlin) assumed.... that the intuitive and artistic mastery of materials would lead to inventions on the basis of which objects could be constructed. He believed he could prove this theory with his design for the 'Monument to the Third International' (1920), [never built]. He accomplished this task without having any special technical knowledge of construction.”

El Lissitsky (1890–1941) Soviet artist, designer, photographer, teacher, typographer and architect

Quote from: 'Basic Premises'
1926 - 1941, Rußland: Die Rekonstruktion der Architektur in der Sowjetunion' (1929)

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Wolfgang Köhler12

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