Richard Feynman · 256 pages
Rating: (17.7K votes)
“Why make yourself miserable saying things like, "Why do we have such bad luck? What has God done to us? What have we done to deserve this?" - all of which, if you understand reality and take it completely into your heart, are irrelevant and unsolvable. They are just things that nobody can know. Your situation is just an accident of life.”
“We have been led to imagine all sorts of things infinitely more marvelous than the imagining of poets and dreamers of the past. It shows that the imagination of nature is far, far greater than the imagination of man. For instance, how much more remarkable it is for us all to be stuck-half of us upside down-by a mysterious attraction, to a spinning ball that has been swinging in space for billions of years, than to be carried on the back of an elephant supported on a tortoise swimming in a bottomless sea.”
“You can know the name of that bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird. You'll only know about humans in different places, and what they call the bird. ... I learned very early the difference between knowing the name of something and knowing something.”
“We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on. It is our responsibility to leave the people of the future a free hand. In the impetuous youth of humanity, we can make grave errors that can stunt our growth for a long time. This we will do if we say we have the answers now, so young and ignorant as we are. If we suppress all discussion, all criticism, proclaiming “This is the answer, my friends; man is saved!” we will doom humanity for a long time to the chains of authority, confined to the limits of our present imagination. It has been done so many times before.
It is our responsibility as scientists, knowing the great progress which comes from a satisfactory philosophy of ignorance, the great progress which is the fruit of freedom of thought, to proclaim the value of this freedom; to teach how doubt is not to be feared but welcomed and discussed; and to demand this freedom as our duty to all coming generations.”
“I learned from my father to translate: everything I read I try to figure out what it really means, what it’s really saying.”
“…the imagination of nature is far, far greater than the imagination of man.”
“We have found it of paramount importance that in order to progress we must recognize our ignorance and leave room for doubt. Scientific knowledge is a body of statements of varying degrees of certainty—some most unsure, some nearly sure, but none absolutely certain.”
“I have a friend who's an artist, and he sometimes takes a view which I don't agree with. He'll hold up a flower and say, "Look how beautiful it is," and I'll agree. But then he'll say, "I, as an artist, can see how beautiful a flower is. But you, as a scientist, take it all apart and it becomes dull." I think he's kind of nutty. ... There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower. It only adds. I don't understand how it subtracts.”
“I’ve found out since that such people don’t know what they’re doing, and get insulted when you make some suggestion or criticism.”
“This is not a new idea; this is the idea of the age of reason. This is the philosophy that guided the men that made the democracy that we live under. The idea that no one really knew how to run a government led to the idea that we should arrange a system by which new ideas could be developed, tried out, and tossed out if necessary, with more new ideas brought in—a trial and error system.”
“The only way to have real success in science, the field I'm familiar with, is to describe the evidence very carefully without regard to the way you feel it should be. If you have a theory, you must try to explain what's good and what's bad about it equally. In science, you learn a kind of standard integrity and honesty.”
“If you try once or twice to communicate and get pushed back, pretty soon you decide, “To hell with it.”
“I said, “There’s a long tradition behind life in India that comes from a religion and philosophy that is thousands of years old. And although these people are not in India, they still pass on those traditions about what’s important in life—trying to build for the future and supporting their children in the effort—which have come down to them for centuries.”
“For instance, the scientific article may say, 'The radioactive phosphorus content of the cerebrum of the rat decreases to one- half in a period of two weeks.' Now what does that mean?
It means that phosphorus that is in the brain of a rat—and also in mine, and yours—is not the same phosphorus as it was two weeks ago. It means the atoms that are in the brain are being replaced: the ones that were there before have gone away.
So what is this mind of ours: what are these atoms with consciousness? Last week's potatoes! They now can remember what was going on in my mind a year ago—a mind which has long ago been replaced. To note that the thing I call my individuality is only a pattern or dance, that is what it means when one discovers how long it takes for the atoms of the brain to be replaced by other atoms. The atoms come into my brain, dance a dance, and then go out—there are always new atoms, but always doing the same dance, remembering what the dance was yesterday.”
“Scientific knowledge is a body of statements of varying degrees of certainty—some most unsure, some nearly sure, but none absolutely certain.”
“Let us make recommendations to ensure that NASA officials deal in a world of reality, understanding technological weaknesses and imperfections well enough to be actively trying to eliminate them. They must live in a world of reality in comparing the costs and utility of the shuttle to other methods of entering space. And they must be realistic in making contracts and in estimating the costs and difficulties of each project. Only realistic flight schedules should be proposed -- schedules that have a reasonable chance of being met. If in this way the government would not support NASA, the so be it. NASA owes it to the citizens from whom it asks support to be frank, honest, and informative, so that these citizens can make the wisest decisions for the use of their limited resources.”
“I am always looking, like a child, for wonders I know I am going to find. Maybe not every time, but every once in a while.”
“If we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar.”
“Stands at the sea,
wonders at wondering: I
a universe of atoms
an atom in the universe”
“Although my mother didn't know anything about science, she had a great influence on me as well. In particular, she had a wonderful sense of humor, and I learned from her that the highest form of understanding we can achieve are laughter and human compassion”
“Yet, every now and then, there would pass a young girl, slender, fair and desirable, arousing in young men a not ignoble desire to possess her, and stirring in old men regrets for ecstasy not seized and now forever past.”
“I believe in fate because Spencer is in my life. He's saved me more times than he knows, just by being there.”
“Did you know that bone china had real bones in it?” Poppy said, tapping a porcelain cheek. “Her clay was made from human bones. Little-girl bones. That hair threaded through the scalp is the little girl’s hair. And the body of the doll is filled with her leftover ashes.”
“I think you've got to get out whatever's hurting you through your art, so it doesn't twist you up inside.”
“He screwed the glass dildo as deep as it would go inside her and traced letters on her clitoris with the tip of his tongue.
P… she shuddered
R… she arched
I… she moaned
N… she gasped his name
C… “Lucien...”
E… she came
S… and came
S… and she came.”
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