All of a sudden, space isn't friendly. All of a sudden, it's a place where people can die. . . . Many more people are going to die. But we can't explore space if the requirement is that there be no casualties; we can't do anything if the requirement is that there be no casualties.
Interpretation
Exploration involves risks, and we must accept that casualties may occur in pursuit of advancement.
In this quote, Isaac Asimov emphasizes the inherent risks involved in exploring space and other frontiers. He suggests that while the potential for loss of life is a serious concern, it should not deter humanity from ambitious exploration and innovation. The pursuit of knowledge and advancement often comes with danger, and accepting that reality is essential for progress.
In practice
During a speech at a space exploration conference, Asimov's quote can illustrate the reality of risks in advancing technology.
Democracy cannot survive overpopulation. Human dignity cannot survive it. Convenience and decency cannot survive it. As you put more and more people into the world, the value of life not only declines, but it disappears. It doesn't matter if someone dies.
Science does not promise absolute truth, nor does it consider that such a thing necessarily exists. Science does not even promise that everything in the Universe is amenable to the scientific process.
Democracy cannot survive overpopulation.
Although the time of death is approaching me, I am not afraid of dying and going to Hell or (what would be considerably worse) going to the popularized version of Heaven. I expect death to be nothingness and, for removing me from all possible fears of death, I am thankful to atheism.
A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.
During the century after Newton, it was still possible for a man of unusual attainments to master all fields of scientific knowledge. But by 1800, this had become entirely impracticable.
Scientific facts are often described in textbooks as if they just sort of exist, like nickels someone picked up on the street. But science at the cutting edge, conducted by sharp minds probing deep into nature, is not about self-evident facts. It is about mystery and not knowing. It is about taking huge risks.
We only have to capture 1/10,000th of the solar energy landing on earth to completely satisfy all our energy needs.
In the good old days physicists repeated each other's experiments, just to be sure. Today they stick to FORTRAN, so that they can share each other's programs, bugs included.
Trace Science, then, with Modesty thy guide,_x000D_ _x000D_ First strip off all her equipage of Pride,_x000D_ _x000D_ Deduct what is but Vanity or Dress,_x000D_ _x000D_ Or Learning's Luxury or idleness,_x000D_ _x000D_ Or tricks, to show the stretch of the human brain_x000D_ _x000D_ Mere curious pleasure or ingenious pain.
In the fields I know best, among the life sciences, it is required that the most expert and sophisticated minds be capable of changing course - often with a great lurch - every few years.
Medicine is a science which hath been (as we have said) more professed than laboured, and yet more laboured than advanced: the labour having been, in my judgment, rather in circle than in progression. For I find much iteration, but small addition. It considereth causes of diseases, with the occasions or impulsions; the diseases themselves, with the accidents; and the cures, with the preservation.
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