“The tendency of life is not the preservation of the species, but solely the preservation of each individual organism, as long as it is in existence at all, and is able to carry on its life processes.”

— Boris Sidis

Source: Nervous Ills their Cause and Cure (1922), p. 20

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Boris Sidis 26

American psychiatrist 1867–1923

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“Owing to this struggle for life, any variation, however slight and from whatever cause proceeding, if it be in any degree profitable to an individual of any species, in its infinitely complex relations to other organic beings and to external nature, will tend to the preservation of that individual, and will generally be inherited by its offspring.”

Charles Darwin book On the Origin of Species (1859)

Source: On the Origin of Species (1859), chapter III: "Struggle For Existence", page 61 http://darwin-online.org.uk/content/frameset?pageseq=76&itemID=F373&viewtype=image
Context: Owing to this struggle for life, any variation, however slight and from whatever cause proceeding, if it be in any degree profitable to an individual of any species, in its infinitely complex relations to other organic beings and to external nature, will tend to the preservation of that individual, and will generally be inherited by its offspring. The offspring, also, will thus have a better chance of surviving, for, of the many individuals of any species which are periodically born, but a small number can survive. I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection, in order to mark its relation to man's power of selection.

“There was no design in this: no sense of improvement, of purpose. All that was happening was that each organism was struggling to preserve itself, its offspring, and its kin. But as the environment slowly changed, so through relentless selection did the species that inhabited it. It was not a process fueled by life, but by death: the elimination of the less well adapted, the endless culling of inappropriate possibilities. But the potential of an unseen future was no consolation to those who lived through the relentless culling.”

Stephen Baxter book Evolution

Source: Evolution (2002), Chapter 5 “The Time of Long Shadows” section II (pp. 120-121)

“It is the preservation of the species, not of individuals, which appears to be the design of Deity throughout the whole of nature.”

Mary Wollstonecraft book Letters Written During a Short Residence in Sweden, Norway, and Denmark

Letter 22
Letters Written in Sweden (1796)

“Instead of boiling up individuals into the species, I would draw a chalk circle round every individuality, and preach to it to keep within that, and preserve and cultivate its identity.”

Jane Welsh Carlyle (1801–1866) Scottish writer

Letter to John Sterling (5 August 1845).

“Each individual of whatever species, and each consciousness, whatever its degree, automatically seeks to enhance the quality of life itself - not only for itself but for all of reality as well.”

Jane Roberts (1929–1984) American Writer

Session 893, Page 194
Dreams, Evolution and Value Fulfillment, Volume One (1986)

“The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life. The fight with nature which primitive man has to wage for his bodily existence attains in this modern form its latest transformation.”

Georg Simmel (1858–1918) German sociologist, philosopher, and critic

Original: (de) Die tiefsten Probleme des modernen Lebens quellen aus dem Anspruch des Individuums, die Selbständigkeit und Eigenart seines Daseins gegen die Übermächte der Gesellschaft, des geschichtlich Ererbten, der äußerlichen Kultur und Technik des Lebens zu bewahren - die letzterreichte Umgestaltung des Kampfes mit der Natur, den der primitive Mensch um seine leibliche Existenz zu führen hat.
Source: The Metropolis and Mental Life (1903), p. 409