“The world you perceive is drastically simplified model of the real world.”
Source: 1940s-1950s, Administrative Behavior, 1947, p. xxvi.
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Herbert A. Simon 58
American political scientist, economist, sociologist, and p… 1916–2001Related quotes

Source: 1940s-1950s, Models of Man, 1957, p. 198; Cited in P. Slovic (1972, p. 2).

"Understanding and Imagination in the Light of Nature"
Variant: The world which we perceive is a tiny fraction of the world which we can perceive, which is a tiny fraction of the perceivable world...
Context: Because the fact is, what blinds us to the presence of alien intelligence is linguistic and cultural bias operating on ourselves. The world which we perceive is a tiny fraction of the world which we can perceive, which is a tiny fraction of the perceivable world, you see. We operate on a very narrow slice based on cultural conventions. So the important thing, if synergizing progress is the notion to be maximized (and I think it's the notion to be maximized), is to try and locate the blind spot in the culture — the place where the culture isn't looking, because it dare not — because if it were to look there, its previous values would dissolve, you see. For Western Civilization that place is the psychedelic experience as it emerges out of nature.

“I just want to model what’s going on in the real world”
The forgotten advantage of concurrent programming

Source: 1960s-1970s, "Rational decision making in business organizations", Nobel Memorial Lecture 1978, p. 498; As cited in: Arjang A. Assad, Saul I. Gass (2011) Profiles in Operations Research: Pioneers and Innovators. p. 260-1.

"Real" Analysis is a Degenerate Case of Discrete Analysis. Appeared in the book "New Progress in Difference Equations"(Proc. ICDEA 2001), edited by Bernd Aulbach, Saber Elaydi, and Gerry Ladas, and publisher by Taylor & Francis, London, 2004.

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

07:20–08:05.
"Glenn 'Kane' Jacobs Mental Smackdown of Tennessee Lt Governor" http://www.youtube.com/watch?v=-bWJwJr-R68 (2013)
Context: Keynesian economics is really just models and numbers and how things would work in a laboratory, not how things work in the real world. The beauty of Austrian economics is [that] it studies how things work in the real world. Economics is not a predictive science, okay? You can't say, "If we do this, this is what's gonna happen." It is a descriptive science; in other words, it describes what's going on. Austrian economics says the economy runs itself, and all that we're trying to do is understand how the economy really works.

Source: Development, Geography, and Economic Theory (1995), Ch. 3. Models and Metaphors