Today we preach that science is not science unless it is quantitative. We substitute correlations for causal studies, and physical equations for orga… - John R. Platt

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Today we preach that science is not science unless it is quantitative. We substitute correlations for causal studies, and physical equations for organic reasoning. Measurements and equations are supposed to sharpen thinking, but, in my observation, they more often tend to make the thinking noncausal and fuzzy. They tend to become the object of scientific manipulation instead of auxiliary tests of crucial inferences.
Many - perhaps most - of the great issues of science are qualitative, not quantitative, even in physics and chemistry. Equations and measurements are useful when and only when they are related to proof; but proof or disproof comes first and is in fact strongest when it is absolutely convincing without any quantitative measurement.
Or to say it another way, you can catch phenomena in a logical box or in a mathematical box. The logical box is coarse but strong. The mathematical box is fine-grained but flimsy. The mathematical box is a beautiful way of wrapping up a problem, but it will not hold the phenomena unless they have been caught in a logical box to begin with.

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About John R. Platt

John Rader Platt (March 25, 1918 – June 17, 1992) was an American physicist and biophysicist at the University of Chicago.

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Alternative Names: John Rader Platt
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Can Intelligence Survive? Looking at this nonclassical evolution of intelligence, one even begins to wonder whether it is such a small Law after all, even from the sun's point of view. Men create lakes and can level mountains; their atomic explosions have already shaken the whole earth's magnetic field; and they send out visible satellites and sensors that now range the solar system. Will the evolution of these powers of go on increasing? Or must it finally run down, was the sun does by the great Second Law?
f we think about this problem in the light of the physical and biological regularities of behavior that we now know, it seems to me that we are led to a further rather surprising conclusion: There is no thermodynamic reason why evolution should ever stop. What evolution leads to is the larger and larger control of environment by the organisms, first by genetic natural selection; then, with the growth of societies and language, by cultural natural selection; and finally by brains. And once we pass a certain threshold of brains and intelligence we begin to know how to insulate ourselves against all sorts of environmental changes.

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To say that basic science is exciting may sound like a contradiction... But I would remind you that there are two intellectual excitements that are not tame at all and that we remember all our lives. One is the thrill of following out a chain of reasoning for yourself; the other is the pleasure of watching several strongly individualistic personalities argue about their deepest convictions. That is to say, the thrill of a detective story and the pleasure of watching a play by George Bernard Shaw.

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