Plausible quotes

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Arthur_Eddington

Brain and Mind

“Take the living human brain endowed with mind and thought. Thought it is one of the indisputable facts of the world. I know that I think, with a certainty which I cannot attribute to any of my physical knowledge of the world. More hypothetically, but on fairly plausible evidence, I am convinced that you have minds which think. Here then is a world fact to be investigated. The physicist brings his tools and commences systematic exploration. All that he discovers is a collection of atoms and electrons and fields of force arranged in space and time, apparently similar to those found in inorganic objects. He may trace other physical characteristics, energy, temperature, entropy. None of these is identical with thought. He might set down thought as an illusion ⎯ some perverse interpretation of the interplay of the physical entities that he has found. Or if he sees the folly of calling the most undoubted element of our experience an illusion, he will have to face the tremendous question, How can this collection of ordinary atoms be a thinking machine?”

Henry_Louis_Mencken

Explanations

“Explanations exist; they have existed for all time; there is always a well-known solution to every human problem — neat, plausible, and wrong.”
  • Source: In the article entitled 'The Divine Afflatus' by Henry Louis Mencken, published in the New York Evening Mail, 16 November 1917.

Carl_Sagan

Extraordinary Claims

“What counts is not what sounds plausible, not what we would like to believe, not what one or two witnesses claim, but only what is supported by hard evidence rigorously and skeptically examined. Extraordinary claims require extraordinary evidence.”
  • Source: Carl Sagan, Cosmos: Encyclopedia Galactica, (video program), Episode 12
    • Sagan, C., Druyan, A., & Soter, S. (Writers) (1980). Encyclopedia galactica [Television series episode]. In Andorfer, G. & McCain R. (Executive Producers), Cosmos. Los Angeles, CA: PBS.
    • Online at https://www.youtube.com/watch?v=f77B2gRZhSo at about 1:00.

Herbert_Simon

Invisible Hand

“In examining the processes of social coordination, economics has given top billing sometimes almost exclusive billing to the market mechanism. It is indeed a remarkable mechanism... The optimality theorems stretch credibility, so far as real-world markets are concerned, because they require substantive rationality of the kinds we found implausible in our examination of the theory of the firm. Markets populated by consumers and producers who satisfice instead of optimizing do not meet the conditions on which the theorems rest.”