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Survival, in the cool economics of biology, means simply the persistence of one's own genes in the generations to follow.

Lewis Thomas

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Lewis Thomas
Age: 80 †
Born: 1913
Born: November 25
Died: 1993
Died: December 3
Medical Writer
Naturalist
Physician
Poet
Writer
Flushing
Long Island
Economics
Survival
Cool
Follow
Generations
Simply
Biology
Means
Genes
Mean
Persistence

More quotes by Lewis Thomas

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Selfness is an essential fact of life. The thought of nonselfness, precise sameness is terrifying.
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The central task of science is to arrive, stage by stage, at a clearer comprehension of nature, but this does not at all mean, as it is sometimes claimed to mean, a search for mastery over nature.
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Ants are so much like human beings as to be an embarrasment...They do everything but watch television.
Lewis Thomas
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We are educated to be amazed by the infinite variety of life forms in nature. We are, I believe, only at the beginning of being flabbergasted by its unity.
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The great secret of doctors, known only to their wives, but still hidden from the public, is that most things get better by themselves most things, in fact, are better in the morning.
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We are, perhaps, uniquely among the earth's creatures, the worrying animal. We worry away our lives, fearing the future, discontent with the present, unable to take in the idea of dying, unable to sit still.
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We are not made up, as we had always supposed, of successively enriched packets of our own parts. We are shared, rented, occupied. At the interior of our cells, driving them, providing the oxidative energy that sends us out for the improvement of each shining day, are the mitochondria, and in a strict sense they are not ours.
Lewis Thomas
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We spend our time sending messages to each other, talking and trying to listen at the same time, exchanging information. This seems to be our most urgent biological function it is what we do with our lives.
Lewis Thomas
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Most things get better by themselves. Most things, in fact, are better by morning.
Lewis Thomas
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As a species, taking all in all, we are still too young, too juvenile, to be trusted. We have spread across the face of the earth in just a few thousand years, no time at all as evolution clocks time, covering all livable parts of the planet, endangering other forms of life, and now threatening ourselves.
Lewis Thomas
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We leave traces of ourselves wherever we go, on whatever we touch.
Lewis Thomas
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I don't think that the permanence of the individual human soul is an indispensable part of religious thought.
Lewis Thomas
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Science will...produce the data..., but never the full meaning. For perceiving real significance, we shall need...most of all the brains of poets, [and] also those of artists, musicians, philosophers, historians, writers in general.
Lewis Thomas
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We are spectacular splendid manifestations of life. We have language. We have affection. And finally, and perhaps best of all, we have music.
Lewis Thomas
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Given the opportunity, under the right conditions, two cells from wildly different sources, a yeast cell, say, and a chicken erythrocyte, will touch, fuse, and the two nuclei will then fuse as well, and the new hybrid cell will now divide into monstrous progeny. Naked cells, lacking self-respect, do not seem to have any sense of self.
Lewis Thomas
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The human mind is not meant to be governed, certainly not by any book of rules yet written it is supposed to run itself, and we are obliged to follow it along, trying to keep up with it as best we can.
Lewis Thomas
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The greatest single achievement of nature to date was surely the invention of the molecule DNA.
Lewis Thomas
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The need to make music, and to listen to it, is universally expressed by human beings. I cannot imagine, even in our most primitive times, the emergence of talented painters to make cave paintings without there having been, near at hand, equally creative people making song. It is, like speech, a dominant aspect of human biology.
Lewis Thomas
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We're as clever as we think we are, but we'll be a lot cleverer when we learn to use not just one brain but to pool huge numbers of brains. We're at a level technologically where we can share information and think collectively about our problems. We do it in science all the time - there's no reason why we can't do it in other endeavors.
Lewis Thomas
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We still think of human disease as the work of an organized, modernized kind of demonology, in which the bacteria are the most visible and centrally placed of our adversaries. We assume that they must somehow relish what they do.
Lewis Thomas