Lewis Thomas

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It is not so bad being ignorant if you are totally ignorant; the hard thing is knowing in some detail the reality of ignorance.
- Lewis Thomas
Collection: Ignorance
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Some of the shrewdest insight into natural processes have been greeted at the outset by the exclamation 'But that's ridiculous'.
- Lewis Thomas
Collection: Dark
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Altruism has always been one of biology's deep mysteries. Why should any animal, off on its own, specified and labeled by all sorts of signals as its individual self, choose to give up its life in aid of someone else?
- Lewis Thomas
Collection: Giving Up
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We have come a long way on that old molecule DNA.
- Lewis Thomas
Collection: Dna
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The act of smelling something, anything, is remarkably like the act of thinking. Immediately at the moment of perception, you can feel the mind going to work, sending the odor around from place to place, setting off complex repertories through the brain, polling one center after another for signs of re recognition, for old memories and old connection.
- Lewis Thomas
Collection: Memories
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When committees gather, each member is necessarily an actor, uncontrollably acting out the part of himself, reading the lines that identify him, asserting his identity.... We are designed, coded, it seems, to place the highest priority on being individuals, and we must do this first, at whatever cost, even if it means disability for the group.
- Lewis Thomas
Collection: Reading
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It is my belief, based partly on personal experience but partly also arrived at by looking around at others, that childhood lasts considerably longer in the males of our species than in the females.
- Lewis Thomas
Collection: Childhood
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I cannot think of a single field in biology or medicine in which we can claim genuine understanding, and it seems to me the more we learn about living creatures, especially ourselves, the stranger life becomes.
- Lewis Thomas
Collection: Life
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In real life, every field of science is incomplete, and most of them - whatever the record of accomplishment during the last 200 years - are still in their very earliest stages.
- Lewis Thomas
Collection: Real
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All of today's DNA, strung through all the cells of the earth, is simply an extension and elaboration of [the] first molecule.
- Lewis Thomas
Collection: Science
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Perhaps the safest thing to do at the outset, if technology permits, is to send music. This language may be the best we have for explaining what we are like to others in space, with least ambiguity. I would vote for Bach, all of Bach, streamed out into space, over and over again. We would be bragging of course, but it is surely excusable to put the best possible face on at the beginning of such an acquaintance. We can tell the harder truths later.
- Lewis Thomas
Collection: Technology
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I have been trying to think of the earth as a kind of organism, but it is no go. I cannot think of it this way. It is too big, too complex, with too many working parts lacking visible connections. The other night, driving through a hilly, wooded part of southern New England, I wondered about this. If not like an organism, what is it like, what is it most like? Then, satisfactorily for that moment, it came to me: it is most like a single cell
- Lewis Thomas
Collection: Night
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Ants are so much like human beings as to be an embarrasment...They do everything but watch television.
- Lewis Thomas
Collection: Sarcastic
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Given any new technology for transmitting information, we seem bound to use it for great quantities of small talk. We are only saved by music from being overwhelmed by nonsense.
- Lewis Thomas
Collection: Technology
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My mitochondria comprise a very large proportion of me. I cannot do the calculation, but I suppose there is almost as much of them in sheer dry bulk as there is the rest of me. Looked at in this way, I could be taken for a very large, motile colony of respiring bacteria, operating a complex system of nuclei, microtubules, and neurons for the pleasure and sustenance of their families, and running, at the moment, a typewriter.
- Lewis Thomas
Collection: Running
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For total greed, rapacity, heartlessness, and irresponsibility there is nothing to match a nation.
- Lewis Thomas
Collection: Greed
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It is the very strangeness of nature that makes science engrossing. That ought to be at the center of science teaching. There are more than seven-times-seven types of ambiguity in science, awaiting analysis. The poetry of Wallace Stevens is crystal-clear alongside the genetic code.
- Lewis Thomas
Collection: Nature
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We are a spectacular, splendid manifestation of life. We have language. . . . We have affection. We have genes for usefulness, and usefulness is about as close to a 'common goal' of nature as I can guess at.
- Lewis Thomas
Collection: Life
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Good applied science in medicine, as in physics, requires a high degree of certainty about the basic facts at hand, and especially about their meaning, and we have not yet reached this point for most of medicine.
- Lewis Thomas
Collection: Science
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Things are bound to begin happening if you've got your wits about you. You create the lucky accidents.
- Lewis Thomas
Collection: Lucky
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Society evolves not by shouting each other down, but by the unique capacity of unique, individual human beings to comprehend each other.
- Lewis Thomas
Collection: Unique
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Selfness is an essential fact of life. The thought of nonselfness, precise sameness is terrifying.
- Lewis Thomas
Collection: Art
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I have always had a bad memory, as far back as I can remember.
- Lewis Thomas
Collection: Memories
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It's just plain learning something that you didn't know. There is a real aesthetic experience in being dumbfounded.
- Lewis Thomas
Collection: Real
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Viewed from the distance of the moon, the astonishing thing about the earth, catching the breath, is that it is alive. ... It has the organized, self-contained look of a live creature, full of information, marvelously skilled in handling the sun
- Lewis Thomas
Collection: Distance
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The greatest achievements in the science of this [twentieth] century are themselves the sources of more puzzlement than human beings have ever experienced. Indeed, it is likely that the twentieth century will be looked back at as the time when science provided the first close glimpse of the profundity of human ignorance. We have not reached solutions; we have only begun to discover how to ask questions.
- Lewis Thomas
Collection: Ignorance
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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.
- Lewis Thomas
Collection: Inspirational
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On any Tuesday morning, if asked, a good working scientist will tell you with some self-satisfaction that the affairs of his field are nicely in order, that things are finally looking clear and making sense, and all is well. But come back again on another Tuesday, and the roof may have just fallen in on his life's work.
- Lewis Thomas
Collection: Morning
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Exclamation points are the most irritating of all. Look! they say, look at what I just said! How amazing is my thought! It is like being forced to watch someone else's small child jumping up and down crazily in the center of the living room shouting to attract attention. If a sentence really has something of importance to say, something quite remarkable, it doesn't need a mark to point it out. And if it is really, after all, a banal sentence needing more zing, the exclamation point simply emphasizes its banality!
- Lewis Thomas
Collection: Children
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The greatest of all the accomplishments of 20th century science has been the discovery of human ignorance
- Lewis Thomas
Collection: Ignorance
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I maintain, despite the moment's evidence against the claim, that we are born and grow up with a fondness for each other, and we have genes for that. We can be talked out of it, for the genetic message is like a distant music, and some of us are hard-of-hearing. Societies are noisy affairs, drowning out the sound of ourselves and our connection.
- Lewis Thomas
Collection: Growing Up
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Good science is done by being curious in general, by asking questions all around, by acknowledging the likelihood of being wrong and taking this in good humor for granted, by having a deep fondness for nature, and by being made jumpy and nervous by ignorance.
- Lewis Thomas
Collection: Motivational
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Cats - a standing rebuke to behavioural scientists . . . least human of all creatures.
- Lewis Thomas
Collection: Cat
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The only solid piece of scientific truth about which I feel totally confident is that we are profoundly ignorant about nature... It is this sudden confrontation with the depth and scope of ignorance that represents the most significant contribution of twentieth-century science to the human intellect.
- Lewis Thomas
Collection: Truth
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The commas are the most useful and usable of all the stops. It is highly important to put them in place as you go along. If you try to come back after doing a paragraph and stick them in the various spots that tempt you you will discover that they tend to swarm like minnows into sorts of crevices whose existence you hadn't realized and before you know it the whole long sentence becomes immobilized and lashed up squirming in commas. Better to use them sparingly, and with affection, precisely when the need for each one arises, nicely, by itself.
- Lewis Thomas
Collection: Writing
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The overwhelming astonishment, the queerest structure we know about so far in the whole universe, the greatest of all cosmological scientific puzzles, confounding all our efforts to comprehend it, is the earth.
- Lewis Thomas
Collection: Knowledge
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I will confess that I have no more sense of what goes on in the mind of mankind than I have for the mind of an ant.
- Lewis Thomas
Collection: Mind
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The whole dear notion of one's own Self-marvelous old free-willed, free- enterprising, autonomous, independent, isolated island of a Self- is a myth.
- Lewis Thomas
Collection: Independent
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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
Collection: Communication
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It is in our collective behavior that we are most mysterious.
- Lewis Thomas
Collection: Mysterious
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I can say, if I like, that social insects behave like the working parts of an immense central nervous system: the termite colony is an enormous brain on millions of legs; the individual termite is a mobile neurone.
- Lewis Thomas
Collection: Hard Work
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Cats are a standing rebuke to behavioral scientists wanting to know how the minds of animals work. The mind of a cat is an unscrutable mystery.
- Lewis Thomas
Collection: Cat
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Man is embedded in nature.
- Lewis Thomas
Collection: Nature
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If we have learned anything at all in this century, it is that all new technologies will be put to use, sooner or later, for better or worse, as it is in our nature to do.
- Lewis Thomas
Collection: Technology
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Everything here is alive thanks to the living of everything else.
- Lewis Thomas
Collection: Alive
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Most things get better by themselves. Most things, in fact, are better by morning.
- Lewis Thomas
Collection: Morning
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I do not agree with this century's fashion of running down the human species as a failed try, a doomed sport. At our worst, we may be going through the early stages of adolescence, and everyone remembers what that is like.
- Lewis Thomas
Collection: Sports
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The literature has become too vast to comprehend...It is...difficult to grasp even for workers in closely neighboring fields. ...There is much more reliance on word of mouth for the transmission of scientific data...gossip.
- Lewis Thomas
Collection: Dark
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Maybe there is a single spot, just one, where living organisms are holed up. Maybe so, but if so this would be the strangest thing of all, absolutely incomprehensible. For we are not familiar with this kind of living. We do not have solitary, isolated creatures. It is beyond our imagination to conceive of a single form of life that exists alone and independent, unattached to other forms.
- Lewis Thomas
Collection: Independent