“The self-regulating adaptive disposition of organised life may, in part, be traced to the extreme fecundity of Nature, who, as before stated, has, in all the varieties of her offspring, a prolific power much beyond (in many cases a thousand-fold) what is necessary to fill up the vacancies caused by senile decay. As the field of existence is limited and pre-occupied, it is only the hardier, more robust, better suited to circumstance individuals, who are able to struggle forward to maturity, these inhabiting only the situations to which they have superior adaptation and greater powers of occupancy than any other kind; the weaker, less circumstance-suited, being prematurely destroyed.”

On naval timber and arboriculture (1831), Appendix F, part II

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British scientist 1790–1874

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“One great mystery is why sexual reproduction became dominant for higher life-forms. Optimization theory says it should be otherwise.
Take a fish or lizard, ideally suited to her environment, with just the right internal chemistry, agility, camouflage—whatever it takes to be healthy, fecund, and successful in her world. Despite all this, she cannot pass on her perfect characteristics. After sex, her offspring will be jumbles, getting only half of their program from her and half their re-sorted genes somewhere else.
Sex inevitably ruins perfection. Parthenogenesis would seem to work better—at least theoretically. In simple, static environments, well-adapted lizards who produce duplicate daughters are known to have advantages over those using sex.
Yet, few complex animals are known to perform self-cloning. And those species exist in ancient, stable deserts, always in close company with a related sexual species.
Sex has flourished because environments are seldom static. Climate, competition, parasites—all make for shifting conditions. What was ideal in one generation may be fatal the next. With variability, your offspring get a fighting chance. Even in desperate times, one or more of them may have what it takes to meet new challenges and thrive.
Each style has its advantages, then. Cloning offers stability and preservation of excellence. Sex gives adaptability to changing times. In nature it is usually one or the other. Only lowly creatures such as aphids have the option of switching back and forth.”

Introduction to Chapter 8 (pp. 123-124)
Glory Season (1993)

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“I came to see that within the struggle for a juster world, there is a further struggle between the individual who cares for long-term values and those who are willing to use any and every means to gain immediate political ends — even good ends. Within even a good social cause, there is a duty to fight for the pre-eminence of individual conscience. The public is necessary, but the private must not be abolished by it; and the individual must not be swallowed up by the concept of the social man.”

Stephen Spender (1909–1995) English poet and man of letters

World Within World (1951)
Context: I am for neither West nor East, but for myself considered as a self — one of the millions who inhabit the earth... If it seems absurd that an individual should set up as a judge between these vast powers, armed with their superhuman instruments of destruction I can reply that the very immensity of the means to destroy proves that judging and being judged does not lie in these forces. For supposing that they achieved their utmost and destroyed our civilization, whoever survived would judge them by a few statements. a few poems, a few témoignages [testimonies] surviving from all the ruins, a few words of those men who saw outside and beyond the means which were used and all the arguments which were marshaled in the service of those means.
Thus I could not escape from myself into some social situation of which my existence was a mere product, and my witnessing a willfully distorting instrument. I had to be myself, choose and not be chosen... But to believe that my individual freedom could gain strength from my seeking to identify myself with the "progressive" forces was different from believing that my life must be an instrument of means decided on by political leaders. I came to see that within the struggle for a juster world, there is a further struggle between the individual who cares for long-term values and those who are willing to use any and every means to gain immediate political ends — even good ends. Within even a good social cause, there is a duty to fight for the pre-eminence of individual conscience. The public is necessary, but the private must not be abolished by it; and the individual must not be swallowed up by the concept of the social man.

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