“What is conserved, in modern physics, is not any particular substance or material but only much more abstract entities such as energy, momentum, and electric charge. The permanent aspects of reality are not particular materials or structures but rather the possible forms of structures and the rules for their transformation.”

Source: Longing for the Harmonies: Themes and Variations from Modern Physics (1987), Ch.8 The Weak Interaction

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Frank Wilczek49

physicist 1951

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

Source: 1980s, Evolutionary Economics, 1981, p. 27

“If we are to use effectively these abstract models and this descriptive material, we must have a comparable exploration of the criteria for determining what abstract model it is best to use for particular kinds of problems, what entities in the abstract model are to be identified with what observable entities, and what features of the problem or of the circumstances have the greatest effect on the accuracy of the predictions yielded by a particular model or theory.”

Milton Friedman (1912–2006) American economist, statistician, and writer

"The Methodology of Positive Economics" (1953)

“"information" is not a substance or concrete entity but rather a relationship between sets or ensembles of structured variety.”

Walter F. Buckley (1922–2006) American sociologist

Source: Sociology and modern systems theory (1967), p. 47.

“If craftsmen and blacksmiths were feared for transforming material substance, if traders were feared for transforming such intangible qualities as value, how much more will the banker be feared for the transformations he effects with the most abstract and immaterial of all economic institutions? Thus we reach the climax of the progressive replacement of the perceivable and concrete by abstract concepts shaping rules guiding activity: money and its institutions seem to be beyond the boundary of laudable and understandable physical efforts of creation, in a realm where the comprehension of the concrete ceases and incomprehensible abstractions rule.”

Friedrich Hayek (1899–1992) Austrian and British economist and Nobel Prize for Economics laureate

Source: 1980s and later, The Fatal Conceit: The Errors of Socialism (1988), p.102

“Let there be in every material particle several material points charged with electricity, of which, however, only one be movable, and have the charge e and the mass μ.”

Hendrik Lorentz (1853–1928) Dutch physicist

As quoted by Walter Kaufmann, "The Development of the Electron Idea" (Nov. 8, 1901) The Electrician Vol. 48 https://books.google.com/books?id=owxRAAAAYAAJ pp. 95-97. Lecture delivered before the 73rd Naturforscher Versammlung at Hamburg. From the Physikalische Zeitshrift, of October 1, 1901.

“The objective world is only “material”: it’s there, but it could be there in a great many different forms and aspects…Even here there [are] still possibilities”

Northrop Frye (1912–1991) Canadian literary critic and literary theorist

"Quotes", The "Third Book" Notebooks of Northrop Frye, 1964–1972 (2002)
Context: The objective world is only “material”: it’s there, but it could be there in a great many different forms and aspects... Even here there [are] still possibilities: it can’t be just anything. But perhaps extracting a finite schema from the variety of mythologies, literatures, or religions might contribute something to the understanding of what some of these possibilities could be. The individual can’t create his own world, except in art or fantasy: society can only create a myth of concern. What fun if one could get just a peep at what some of the other worlds are that a new humanity could create–no, live in. (p. 287-8)

“After this first approximation, the various aspects of the situation undergo a more and more detailed analysis. In contrast to this the second method [for analysis of life space] begins with the life space as a whole and defines its fundamental structure. The procedure in this case is not to add disconnected items but to make the original structure more specific and differentiated. This method therefore proceeds by steps from the more general to the particular and thereby avoids the danger of a "wrong simplification" by abstraction.”

Kurt Lewin (1890–1947) German-American psychologist

Source: 1930s, Principles of topological psychology, 1936, p. 4; partly cited in: Chris Argyris (1952) An introduction to field theory and interaction theory.

“It may seem strange that there can be a structure for breaking all structures and that it can have a precise, limited form, and be built to particular specifications. Yet we have two major examples of such a structure in our experience. One is the mind as imagination. The other is society, progressively recast on the model of the imaginationː organized to shorten the distance between our context-preserving and context-transforming activities and to diminish the dependence of transformation on crisis.”

Roberto Mangabeira Unger book The Self Awakened: Pragmatism Unbound

Source: The Self Awakened: Pragmatism Unbound (2007), p. 132

“The more abstract is form, the more clear and direct is its appeal. In any composition the material side may be more or less omitted in proportion as the forms used are more or less material, and for them substituted pure abstractions, or largely dematerialized objects. The more an artist uses these abstracted forms, the deeper and more confidently will he advance into the kingdom of the abstract. And after him will follow the gazer at his pictures, who also will have gradually acquired a greater familiarity with the language of that kingdom.
Must we then abandon utterly all material objects and paint solely in abstractions? The problem of harmonizing the appeal of the material and the non-material shows us the answer to this question. As every word spoken rouses an inner vibration, so likewise does every object represented. To deprive oneself of this possibility is to limit one's powers of expression. That is at any rate the case at present. But besides this answer to the question, there is another, and one which art can always employ to any question beginning with "must": There is no "must" in art, because art is free.”

Wassily Kandinsky (1866–1944) Russian painter

VI. The language of Form and Colour
1910 - 1915, Concerning the Spiritual in Art, 1911

“Energy projected into any kind of construction, psychic or physical, cannot be recalled, but must follow the laws of the particular form into which it has been for the moment molded.”

Jane Roberts (1929–1984) American Writer

Session 92, Page 36
The Early Sessions: Sessions 1-42, 1997, The Early Sessions: Book 3

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