“It may hereafter be considered how far the excellent experiments of Count Rumford, which tend very greatly to weaken the evidence of the modern doctrine of heat, may be more or less favourable to one or the other system of light and colours.”

"Outlines of Experiments and Inquiries Respecting Sound and Light" (1800)

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Thomas Young (scientist)28

English polymath 1773–1829

Calvin Mooers (1919–1994) American computer scientist

Calvin Mooers (1959) Mooers' law: or, why some retrieval systems are used and others are not. p. 138

“This is how empirical "evidence" may be created by a procedure which quotes as its justification the very same evidence it has Produced.”

Paul Karl Feyerabend book Against Method

Pg. 43 & 44
Against Method (1975)
Context: [On Empiricism ] It is evident, on the basis of our considerations, that this appearance of success cannot in the least be regarded as a sign of truth and correspondence with nature. Quite the contrary, suspicion arises that the absence of major difficulties is a result of the decrease of empirical content brought about by the elimination of alternatives, and of facts that can be discovered with their help. In other words, the suspicion arises that this alleged success is due to the fact that the theory, when extended beyond its starting point, was turned into rigid ideology. Such Ideology is "successful" not because it agrees so well with the facts; it is successful because no facts have been specified that could constitute a test, and because some such facts have been removed. Its "success" is entirely man-made. It was decided to stick to some ideas, come what may, and the result was, quite naturally, the survival of these ideas. If now the initial decision is forgotten, or made only implicitly, for example, if it becomes common law in physics, then the survival itself will seem to constitute independent support., it will reinforce the decision, or turn it into an explicate one, and in this way close the circle. This is how empirical "evidence" may be created by a procedure which quotes as its justification the very same evidence it has Produced.

“To conclude, if we call light, those rays which illuminate objects, and radiant heat, those which heat bodies, it may be inquired whether light be essentially different from radiant heat? In answer to which I would suggest that we are not allowed, by the rules of philosophizing, to admit two different causes to explain certain effects, if they may be accounted for by one. …If this be a true account of the solar heat, for the support of which I appeal to my experiments, it remains only for us to admit that such of the rays of the sun as have the refrangibility of those which are contained in the prismatic spectrum, by the construction of the organs of sight, are admitted under the appearance of light and colors, and that the rest, being stopped in the coats and humors of the eye, act on them, as they are known to do on all the other parts of our body, by occasioning a sensation of heat.”

William Herschel (1738–1822) German-born British astronomer, technical expert, and composer

Source: Sir William Herschel: His Life and Works (1880), Ch.4 "Life and Works" on his discovery of the infrared light.

“The progress that's made … in any argument or in any discussion is by confrontation. That's a dialectical fact. People say "oh let's have less heat and more light," fatuously. There's only one source of light. It happens to be heat.”

Christopher Hitchens (1949–2011) British American author and journalist

May 4, 2008 TimesTalk http://www.nytimes.whsites.net/talk/podcasts.html. <br class="br">2000s, 2008

“The overall system of a sizeable community struggling to survive in a crowded world may be either socialism or privatism. Either system may work, more or less. But, except in non-critical areas of distribution, commonism cannot possibly work for very long.”

Garrett Hardin (1915–2003) American ecologist

Filters Against Folly (1985)

“The concept of a system is not a simple or unique one. There are many different kinds of systems, and different systems may be organized and operated in different ways. As individuals we all belong to some social system, we participate in an economic system, we are the product of several educational systems, and we are members of one or more family systems. In a similar fashion, the equipment of which physical systems are made may be members of many other systems, such as electrical, mechanical, sensing, actuating, energy, materials, and/or information systems. One of the challenges to the person who engineers a system is to find the many alternative ways in which the function, the operation, and/or the equipment of concern and interest may be considered, understood, and made to perform most effectively.”

Harold Chestnut (1917–2001) American engineer

Source: Systems Engineering Tools, (1965), Systems Engineering Methods (1967), p. 1: First paragraph of Ch. 1. The Environment for System Engineering Methods

“I wish to propose for the reader's favourable consideration a doctrine which may, I fear, appear wildly paradoxical and subversive. The doctrine in question is this: that it is undesirable to believe a proposition when there is no ground whatever for supposing it true.”

Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist

Source: 1920s, Sceptical Essays (1928), Ch. 1: The Value of Scepticism

“I have… attempted to throw some new light on the general properties of matter in other forms: and on the doctrine of heat, which is materially concerned in them; and to deduce some useful conclusions from a comparison of various experiments on the elasticity of steam, on evaporation, and on the indications of hygrometers.”

Thomas Young (scientist) (1773–1829) English polymath

Preface
A Course of Lectures on Natural Philosophy and the Mechanical Arts (1807)

“No doubt one may quote history to support any cause, as the devil quotes scripture; but modern history is not a very satisfactory side-arm in political polemics; it grows less and less so.”

Learned Hand (1872–1961) American legal scholar, Court of Appeals judge

"Sources of Tolerance" (1930); also in The Spirit of Liberty: Papers and Addresses (1952), p. 79.
Extra-judicial writings

“There are here two assumptions about 'evaluations ', which I will call assumption (1) and assumption (2). Assumption (1) is that some individual may, without logical error, base his beliefs about matters of value entirely on premises which no one else would recognise as giving any evidence at all. Assumption (2) is that, given the kind of statement which other people regard as evidence for an evaluative conclusion, he may refuse to draw the conclusion because this does not count as evidence for him.”

Philippa Foot (1920–2010) British philosopher

"Moral Beliefs"

“It may hereafter be considered how far the excellent experiments of Count Rumford, which tend very greatly to weaken the evidence of the modern doctrine of heat, may be more or less favourable to one or the other system of light and colours.”

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Thomas Young (scientist)28

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