“Objects are the real and conceptual things we find in the world around us. An object may be hardware, software, a concept (e. g., velocity), or even "flesh and blood." Objects are complete entities, i. e., they are not "simply information" or "simply information and actions." Software objects strive to capture as completely as possible the characteristics of the "real world" objects which they represent. Finally, objects are "black boxes," i. e., their internal implementations are hidden from the outside world, and all interactions with an object take place via a well-defined interface.”

— Edward V. Berard

Source: Essays on object-oriented software engineering (1993), p. 335; as cited in Edward V. Berard (1995) " A Comparison of Object-Oriented Development Methodologies http://www.ipipan.gda.pl/~marek/objects/TOA/OOMethod/mcr.html". The Object Agency, Inc.

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Edward V. Berard 10

Edward V. Berard

Source: Essays on object-oriented software engineering (1993), p. 185

“We humans replace the bulk of both our “hardware” (e. g., our cells) and our “software” (e. g., our memories) many times in our life span. Nonetheless, we perceive ourselves as stable and permanent. Likewise, we perceive objects other than ourselves as permanent. Or rather, what we perceive as objects are those aspects of the world that display a certain permanence. For instance, when observing the ocean, we perceive the moving waves as objects because they display a certain permanence, even though the water itself is only bobbing up and down. Similarly (…) we perceive only those aspects of the world that are fairly stable against quantum decoherence.”

Max Tegmark book Our Mathematical Universe

Our Mathematical Universe: My Quest for the Ultimate Nature of Reality (2014)

“An action which is suffered by, or required of, an object. Operations may be selectors, constructors, or iterators. An operation is contained in an object's interface and has its details described in a corresponding method. Operations may be composite, i. e., composed of other operations. However, encapsulation of composite operations within the interface to an object is not encouraged.”

Edward V. Berard

Source: Essays on object-oriented software engineering (1993), p. 336

“By an object, I mean anything that we can think, i. e. anything we can talk about.”

Charles Sanders Peirce (1839–1914) American philosopher, logician, mathematician, and scientist

"Reflections on Real and Unreal Objects", Undated, MS 966

“The general notion in communication theory is that of information. In many cases, the flow of information corresponds to a flow of energy, e. g. if light waves emitted by some objects reach the eye or a photoelectric cell, elicit some reaction of the organism or some machinery, and thus convey information.”

Ludwig von Bertalanffy (1901–1972) austrian biologist and philosopher

Source: General System Theory (1968), 2. The Meaning of General Systems Theory, p. 41

“The impressions we receive, which often appear merely chaotic, consist of three elements; the impression of the color of the object, its form, and of its combined color and form, i. e., of the object itself. At this point the individuality of the artist comes to the front and disposes, as he wills, these three elements. It is clear, therefore, that the choice of object (i. e., of one of the elements in the harmony of form) must be decided only by a corresponding vibration in the human soul..”

Wassily Kandinsky (1866–1944) Russian painter

Quote of Kandinsky, Munich, 1910; as cited in Artists on Art – from the 14th – 20th centuries, ed. by Robert Goldwater and Marco Treves; Pantheon Books, 1972, London, p. 450
1910 - 1915

“The control objects model functionality that is not naturally tied to any other object… We do not believe that the best (most stable) systems are built by only using objects that correspond to real-life entities, something that many other object-oriented analysis and design techniques claim… Behavior that we place in control objects will, in other methods, be distributed over several other objects, making it hard to change this behavior.”

Ivar Jacobson (1939) Swedish computer scientist

Source: Object-Oriented Software Engineering: A Use Case Driven Approach (1992), p. 133 as cited in: " Object Oriented Software Engineering: A Use Case Driven Approach Ivar Jacobson, et al. (1992) http://tedfelix.com/software/jacobson1992.html", Book review by Ted Felix on tedfelix.com, 2006.

“We hypostasize information into objects.”

Philip K. Dick book VALIS

VALIS (1981)
Context: We hypostasize information into objects. Rearrangement of objects is change in the content of the information; the message has changed. This is a language which we have lost the ability to read. We ourselves are a part of this language; changes in us are changes in the content of the information. We ourselves are information-rich; information enters us, is processed and is then projected outwards once more, now in an altered form. We are not aware that we are doing this, that in fact this is all we are doing.

“How both the objective world accommodates to presentations in us, and presentations in us to the objective world, is unintelligible unless between the two worlds, the ideal and the real, there exists a pre-determined harmony.”

Friedrich Wilhelm Joseph Schelling (1775–1854) German philosopher (idealism)

System of Transcendental Philosophy (1800)
Context: How both the objective world accommodates to presentations in us, and presentations in us to the objective world, is unintelligible unless between the two worlds, the ideal and the real, there exists a pre-determined harmony. But this latter is itself unthinkable unless the activity, whereby the objective world, is produced, is at bottom identical with that which expresses itself in volition, and vice versa.

“Perhaps the greatest strength of an object-oriented approach to development is that it offers a mechanism that captures a model of the real world.”

Grady Booch (1955) American software engineer

Grady Booch (1986) Software Engineering with Ada p. 220. cited in: David J. Gilmore et al. (1994) User-Centred Requirements for Software Engineering Environments. p. 108

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