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In no sense other than an utterly trivial one is reproduction the inverse of chemical disintegration. It is a misunderstanding of genetics to suppose that reproduction is only 'intended' to make facsimiles, for parasexual processes of genetical exchange are to be found in the simplest living things.

Peter Medawar

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Peter Medawar
Age: 72 †
Born: 1915
Born: February 28
Died: 1987
Died: October 2
Autobiographer
Biologist
Immunologist
Physician
Physiologist
Professor
Writer
Zoologist
Rio
P.B. Medawar
P. B. Medawar
Sir Peter Medawar
Process
Processes
Sense
Simplest
Inverse
Exchange
Disintegration
Found
Chemicals
Genetics
Make
Utterly
Reproduction
Things
Intended
Trivial
Suppose
Misunderstanding
Living
Chemical

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The fact that scientists do not consciously practice a formal methodology is very poor evidence that no such methodology exists. It could be said-has been said-that there is a distinctive methodology of science which scientists practice unwittingly, like the chap in Moliere who found that all his life, unknowingly, he had been speaking prose.
Peter Medawar
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Scientists are people of very dissimilar temperaments doing different things in very different ways. Among scientists are collectors, classifiers and compulsive tidiers-up many are detectives by temperament and many are explorers some are artists and others artisans. There are poet-scientists and philosopher-scientists and even a few mystics.
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Ask a scientist what he conceives the scientific method to be and he will adopt an expression that is at once solemn and shifty-eyed: solemn, because he feels he ought to declare an opinion shifty-eyed, because he is wondering how to conceal the fact that he has no opinion to declare.
Peter Medawar
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I do not propose to criticize the fatuous argument I have just outlined here, to expound is to expose.
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The attempt to discover and promulgate the truth is nevertheless an obligation upon all scientists, one that must be persevered in no matter what the rebuffs—for otherwise what is the point in being a scientist?
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The bells which toll for mankind are - most of them, anyway - like the bells of Alpine cattle they are attached to our own necks, and it must be our fault if they do not make a cheerful and harmonious sound.
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The purpose of scientific enquiry is not to compile an inventory of factual information, nor to build up a totalitarian world picture of natural Laws in which every event that is not compulsory is forbidden. We should think of it rather as a logically articulated structure of justifiable beliefs about nature.
Peter Medawar
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To abdicate from the rule of reason and substitute for it an authentication of belief by the intentness and degree of conviction with which we hold it can be perilous and destructive. Religious beliefs give a spurious spiritual dimension to tribal enmities.
Peter Medawar
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Is the Scientific Paper a Fraud?
Peter Medawar
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I regret my disbelief in God.
Peter Medawar
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To deride the hope of progress is the ultimate fatuity, the last word in poverty of spirit and meanness of mind.
Peter Medawar
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It can be said with complete confidence that any scientist of any age who wants to make important discoveries must study important problems. Dull or piffling problems yield dull or piffling answers. It is not enough that a problem should be interesting.
Peter Medawar
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When asked to make the formal declaration that I did not intend to overthrow the Constitution of the United States, I was fool enough to reply that I had no such purpose, but that were I to do it by mistake I should be inexpressibly contrite.
Peter Medawar
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An experiment not worth doing is not worth doing well.
Peter Medawar
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Psychoanalytic theory is the most stupendous intellectual confidence trick of the twentieth century and a terminal product as well-something akin to a dinosaur or zeppelin in the history of ideas, a vast structure of radically unsound design and with no posterity.
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Scientists who think science consists of unprejudiced data-gathering without speculation are merely cows grazing on the pasture of knowledge.
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Simultaneous discovery is utterly commonplace, and it was only the rarity of scientists, not the inherent improbability of the phenomenon, that made it remarkable in the past. Scientists on the same road may be expected to arrive at the same destination, often not far apart.
Peter Medawar
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It is a truism to say that a good experiment is precisely that which spares us the exertion of thinking: the better it is, the less we have to worry about its interpretation, about what it really means.
Peter Medawar
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All scientists know of colleagues whose minds are so well equipped with the means of refutation that no new idea has the temerity to seek admittance. Their contribution to science is accordingly very small.
Peter Medawar
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I do not believe indeed, I deem it a comic blunder to believe that the exercise of reason is sufficient to explain our condition and where necessary to remedy it, but I do believe that the exercise of reason is at all times necessary.
Peter Medawar