Biologists From The United Kingdom

"Progress is the exploration of our own error. Evolution is a consolidation of what have always begun as errors. And errors are of two kinds: errors that turn out to be true and errors that turn out to be false (which are most of them). But they both have the same character of being an imaginative speculation. ...it seems to me terribly important to say this in an age in which most nonscientists are feeling a kind of loss of nerve. ...by the time science becomes a closed—that is, computerizable—project, it is not science anymore. It is not in the area of the exploration of errors."

"[A]ll our symbols have the same purpose; words are merely the symbols we use most commonly. The function of words in human thought is to stand for things which are not present to the senses, and allow the mind to manipulate them—things, concepts, ideas, everything that does not have a physical reality in front of us now."

"The language of ideas creates a different universe: a universe which has multiplied the monkey's vocabulary of forty words to the million words in the English dictionary."

"Human beings can imagine situations which are different from those in front of their eyes... because they make and hold in their minds images for absent things."

"When a child... discovers his own imagination, he suddenly walks into a new life. ...seeing situations that do not exist. ...in part as fantasy, and in part as a quite rational exploration of future experiences. ...play ...frolics in the fantasy world, and it experiments in the rational world... They project themselves into all worlds, possible and impossible, and discover for themselves the knife-edge boundary between them."

"The ability... to experiment with imaginary situations, gives man a freedom... the pleasure in trying out and exploring imaginary situations. A child's play is concerned with this pleasure; and so is much of art, and much of science... [P]ure science... is a form of play, in this sense."

"He first became familiar to the British public through appearances on the BBC television version of The Brains Trust in the late 1950s, but is better known for his... series The Ascent of Man (1973). This was an inspiration for Carl Sagan to make Cosmos in 1980. During the making of The Ascent of Man he was interviewed by Michael Parkinson, and Bronowski's description of a visit to Auschwitz—he had lost many family members during the Nazi era—was described by Parkinson as one of his most memorable interviews. ...Bronowski died of a heart attack in East Hampton, New York a year after The Ascent of Man was completed, and was buried in the western side of London's ..."

"[[Richard von Mises|[V]on Mises]] and raised the objection that in Reichenbach's theory a theory was said to be "valid with a probability of 70%," if 70 per cent of the conclusions of the theory were confirmed by experiment. However, we know... a theory which is in disagreement with experience in 30% of... experiments is called "false" or "wrong." We come to the same conclusion if we apply Carnap's "." An attempt to avoid these difficulties and to advance a radically different approach... was made by Jacob Bronowski. His purpose was to formalize the criterion for the validity of a theory that was advocated by men like John Frederick Herschel and William Whewell. ...these scientists and philosophers saw the main achievement of a theory in its unifying and simplifying power. The simpler the theory... the more probable the theory. If the theory consists in a complete enumeration of all observable facts, the "theory" would have a very high probability... However, von Mises and Bronowski rejected this... If we have two theories which yield the same observable facts, the scientist prefers the... more economical or just simpler. Bronowski compares the scientific theory with a code... We prefer the code which is more practical, more efficient. ...to improve the code, we try systematically... "to break down the code into its constituent symbols and their laws of arrangement." ...If we break down [chemical] elements into... elementary particles (protons, neutrons, and electrons) and the forces acting between them, we have a code which describes... the interaction between hydrogen and oxygen... from which can be derived much more information than from any theory in which "oxygen" and "hydrogen"...occur as primitive symbols. ...Bronowski calls a theory the more probable, the more the code... is broken down into constituent symbols and laws of arrangement."

"Every acceptance of a debatable theory is due to a compromise between Reichenbach's and Bronowski's criteria: agreement with facts and efficiency as a code."

"The criteria of Reichenbach and Carnap, which are based, like John Stuart Mill's inductive logic, upon agreement with observations, have to be complemented by the criterion of economy and simplicity which was advanced in the history of science by men like William Ockham, Isaac Newton, and Ernst Mach. In out twentieth century, the importance of criteria other than mere agreement with observation was stressed by von Mises and Bronowski."

"The ashes of millions of people were flushed into the pond at Auschwitz, but on that sunny day... I stood at its edge... twenty-four years earlier I sat in front of our television set and watched... Bronowski... as a scientist, a human being, a survivor and a witness at the edge of this pond. Many members of his family had died at Auschwitz. He reminded us that it is said that science will turn people into numbers and told... passionately that this is '...tragically false', and that it was here... that people were turned into numbers and murdered not by the gas... but by the arrogance, the dogma and ignorance... and by the murderers'... belief that they possessed absolute knowledge... never—unlike scientists—tested... against objective reality. ...Bronowski ...reminded us that science is a very human form of knowledge in which every judgement stands on the edge of error and is personal. Quoting the words of Oliver Cromwell—'I beseech you, in the bowels of Christ, think it possible you may be mistaken'—he reached into the water... telling us that we must close the distance between the push-button order and the human act... ending with the words: 'We have to touch people.' ...Bronowski's active defiance of failings such as despair, failing of nerve, fashionable pessimism and irresponsibility had made a permanent and indelible impression on me..."

"What we really mean by free will... is the visualizing of alternatives and making a choice between them. ...the central problem of human consciousness depends on this ability to imagine."