It is a curious historical fact that modern quantum mechanics began with two quite different mathematical formulations: the differential equation of Schroedinger and the matrix algebra of Heisenberg. The two apparently dissimilar approaches were proved to be mathematically equivalent.
Richard P. Feynman
Related Quantum mechanics brought an unexpected fuzziness into physics because of quantum uncertainty, the H... EDWARD WITTEN Feynman once said, 'Science is imagination in a straitjacket.' It is ironic that in the case... LAWRENCE M. KRAUSS I like to open for a band as it brings on sort of a challenge and it makes things more interesting. ... KELLY JONES Love and you shall be loved. All love is mathematically just, as much as the two sides of an algebra... RALPH WALDO EMERSON Quantum field theory was originally developed for the treatment of electrodynamics, immediately afte... DAVID GROSS God has the capacity to look at the world through two lenses. When God looks at a painful or wicked ... JOHN PIPER Quantum mechanics brought an unexpected fuzziness into physics because of quantum uncertainty, the H... EDWARD WITTEN Here was one with an air of high nobility such as Aragorn at times revealed, less high perhaps, yet ... J.R.R. TOLKIEN The real thing that keeps men and women apart, is fear. Women blame men and men blame women, but the... C. JOYBELL C. He grunted. 'You have the courage of a warrior.' I watched him turn away and gather the clothes... ALISON GOODMAN Empathy is the new measurement of everything. It doesn't matter what religion you have, what God you... C. JOYBELL C. It is curious that the two best-known British historians in the United States are Andrew Roberts and... MICHAEL KORDA Quantum Mechanics and General Relativity are both accepted as scientific fact even though they'r... ROY H. WILLIAMS When { Born and
EDWARD UHLER CONDON If it were two turns, that would have been totally different. I know that he's a two-turn horse. He ... DAN HENDRICKS How did Biot arrive at the partial differential equation? [the heat conduction equation] . . . Perha... CLIFFORD A. TRUESDELL I'd be perfectly happy with a mathematically precise description of how time began. I see scienc... NEIL TUROK Be kind. We never know what people are going through. Give grace and mercy because one day your circ... GERMANY KENT You must save what you can of your life; you musn't lose it all simply because you've lost a part. HENRY JAMES I don't know if I have a favorite color. KATE MIDDLETON It's very special having a new little girl. KATE MIDDLETON hoped to prove that science and religion are two totally compatible fields—two different approache... DAN BROWN The unfortunate thing is that, sometimes, we slip, but, fortunately, consciously or unconsciously, w... ERNEST AGYEMANG YEBOAH I believe that there is a Matrix and... to be more accurate I am in the Pornography Matrix. DEYTH BANGER A family is like a card game, on one hand, you can get a really bad hand and on the other, your hand... GARY F EVANS... Let go! Gollum,' he said. 'This is Sting. You have seen it before once upon a time. Let go, or you'l... J.R.R. TOLKIEN The birth of science as we know it arguably began with Isaac Newton's formulation of the laws of... PAUL DAVIES It shares the attitude of those who worked in the field of quantum mechanics, who posited the wave-p... PATRICK GILLEN String theory is the most developed theory with the capacity to unite general relativity and quantum... BRIAN GREENE Despite the earnest belief of most of his fans, Einstein did not win his Nobel Prize for the theory ... SAM KEAN [While] solipsism may be logically consistent with present quantum mechanics, monism in the sense of... EUGENE WIGNER The secret of my success is a two word answer: Know people. HARVEY S. FIRESTONE A few years after I gave some lectures for the freshmen at Caltech (which were published as the Feyn... RICHARD FEYNMAN Einstein said that if quantum mechanics were correct then the world would be crazy. Einstein was rig... DANIEL M. GREENBERGER The most important single thing about string theory is that it's a highly mathematical theory, a... LEONARD SUSSKIND [Richard Feynman] is a second Dirac. Only this time human. EUGENE WIGNER 'The Borgias' is quite good because it does stick quite steadfastly to historical fact, so a... HOLLIDAY GRAINGER Kindness is universal. Sometimes being kind allows others to see the goodness in humanity through yo... GERMANY KENT She wasn't bitter. She was sad, though. But it was a hopeful kind of sad. The kind of sad that just ... STEPHEN CHBOSKY So, I guess we are who we are for alot of reasons. And maybe we'll never know most of them. But even... STEPHEN CHBOSKY I love my mom so much. I don't care if that's corny to say. I think on my next birthday, I'm going t... STEPHEN CHBOSKY We Are All Infinite STEPHEN CHBOSKY (All the grief she had suffered over her lifetime had moulded her face into a mask of eternal sadnes... JEAN SASSON You can't just sit there and put everyone's lives ahead of yours and think that counts as love. You ... STEPHEN CHBOSKY I saw other people there. Old men sitting alone. Young girls with blue eye shadow and awkward jaws. ... STEPHEN CHBOSKY That one moment when you know you are not a sad story. You are ALIVE. STEPHAN CHBOSKY Somos quienes somos por un montón de razones.Quizás nunca conozcamos la mayoría de ellas.Pero aun... STEPHEN CHBOSKY Ambos dijeron que tomara asiento y parecían hablar en serio, así que me senté. STEPHEN CHBOSKY I know these will all be stories some day, and our pictures will become old photographs. We all beco... STEPHEN CHBOSKY So I guess we are who we are for a lot of reasons. And maybewe'll never know most of them. STEPHEN CHBOSKY So I guess we are who we are for a lot of reasons. And maybe we'll never know most of them. STEPHEN CHBOSKY There's nothing like the deep breathes after laughing that hard. Nothing in the world like a sore st... STHEPHEN CHBOSKY no more pencils, no more books, no more teachers' dirty looks, when the teacher rings the bell, drop... STEPHEN CHBOSKY I don't know the significance of this, but I find it very interesting. STEPHEN CHBOSKY Maybe it’s sad that these are now memories. And maybe it’s not sad. STEPHEN CHBOSKY Entertainment works by withholding content with the purpose of increasing its value. And, when you t... ROBERT KYNCL She said 'Over my dead body!' so I took her at her word. DIANA WYNNE JONES The end of the world is a strange concept. The world is always ending, and the end is always being a... NEIL GAIMAN What is the Other?" they ask. The Other is the one who taught me whatI should be like, but not ... PAULO COELHO The two men had a conversation. Brief, cryptic, to the point. As though they had exchanged numbers a... ARUNDHATI ROY Alphabet: a symbolic system used in algebra, with applications that have yet to be discovered by dys... BAUVARD When, in school, they were teaching algebra, I was studying differential equations at home. GEORGE GAMOW How should I know?" said Alice, surprised at her own courage. "It's no business of mine." The Q... LEWIS CARROLL I see a beautiful city and a brilliant people rising from this abyss. I see the lives for which I la... CHARLES DICKENS I am often asked how it is that I am able to value people to such a deep degree. Apparently, I exhib... C. JOYBELL C. Look, my friends!' he called. 'Here's a pretty hobbit-skin to wrap an elven princeling in! If it wer... J.R.R. TOLKIEN There are a number of legal issues. No. 1, two different cases were consolidated, and we didn't thin... DAVID SCHIECK The only two things that have been shown to work are caffeine - the equivalent of two cups - and a s... DARREL DROBNICH It is remarkable how similar the pattern of love is to the pattern of insanity. THE MATRIX - REVOLUTIONS It's all to do with the training: you can do a lot if you're properly trained. QUEEN ELIZABETH II Like all best families, we have our share of eccentricities, of impetuous and wayward youngsters and... QUEEN ELIZABETH II My husband has quite simply been my strength and stay all these years, and I owe him a debt greater ... QUEEN ELIZABETH II It is easy enough to define what the Commonwealth is not. Indeed this is quite a popular pastime. QUEEN ELIZABETH II I have to be seen to be believed. QUEEN ELIZABETH II I have in sincerity pledged myself to your service, as so many of you are pledged to mine. Throughou... QUEEN ELIZABETH II I hope that tomorrow we can all, wherever we are, join in expressing our grief at Diana's loss, ... QUEEN ELIZABETH II I myself prefer my New Zealand eggs for breakfast. QUEEN ELIZABETH II The British constitution has always been puzzling and always will be. QUEEN ELIZABETH II I have behind me not only the splendid traditions and the annals of more than a thousand years but t... QUEEN ELIZABETH II To what greater inspiration and counsel can we turn than to the imperishable truth to be found in th... QUEEN ELIZABETH II What were once only hopes for the future have now come to pass; it is almost exactly 13 years since ... QUEEN ELIZABETH II First, I want to pay tribute to Diana myself. She was an exceptional and gifted human being. In good... QUEEN ELIZABETH II I cannot lead you into battle. I do not give you laws or administer justice but I can do something e... QUEEN ELIZABETH II To all those who have suffered as a consequence of our troubled past I extend my sincere thoughts an... QUEEN ELIZABETH II Grief is the price we pay for love. QUEEN ELIZABETH II The upward course of a nation's history is due in the long run to the soundness of heart of its ... QUEEN ELIZABETH II At its heart, engineering is about using science to find creative, practical solutions. It is a nobl... QUEEN ELIZABETH II At Christmas, I am always struck by how the spirit of togetherness lies also at the heart of the Chr... QUEEN ELIZABETH II For many, Christmas is also a time for coming together. But for others, service will come first. QUEEN ELIZABETH II The lessons from the peace process are clear; whatever life throws at us, our individual responses w... QUEEN ELIZABETH II I declare before you all that my whole life, whether it be long or short, shall be devoted to your s... QUEEN ELIZABETH II Therefore I am sure that this, my Coronation, is not the symbol of a power and a splendor that are g... QUEEN ELIZABETH II We lost the American colonies because we lacked the statesmanship to know the right time and the man... QUEEN ELIZABETH II Madam President, speaking here in Dublin Castle it is impossible to ignore the weight of history, as... QUEEN ELIZABETH II These wretched babies don't come until they are ready. QUEEN ELIZABETH II I know of no single formula for success. But over the years I have observed that some attributes of ... QUEEN ELIZABETH II The events that I have attended to mark my Diamond Jubilee have been a humbling experience. It has t... QUEEN ELIZABETH II In remembering the appalling suffering of war on both sides, we recognise how precious is the peace ... QUEEN ELIZABETH II Like all the best families, we have our share of eccentricities, of impetuous and wayward youngsters... QUEEN ELIZABETH II No one who knew Diana will ever forget her. Millions of others who never met her, but felt they knew... QUEEN ELIZABETH II
More Richard P. Feynman
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FEYNMAN It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it d... RICHARD P. FEYNMAN It is in the admission of ignorance and the admission of uncertainty that there is a hope for the co... RICHARD P. FEYNMAN Do not keep saying to yourself, if you can possibly avoid it, 'But how can it be like that?'... RICHARD P. FEYNMAN The first amazing fact about gravitation is that the ratio of inertial mass to gravitational mass is... RICHARD P. FEYNMAN I think that when we know that we actually do live in uncertainty, then we ought to admit it; it is ... RICHARD P. FEYNMAN The fact that the colors in the flower have evolved in order to attract insects to pollinate it is i... RICHARD P. FEYNMAN The first principle is that you must not fool yourself and you are the easiest person to fool. RICHARD P. FEYNMAN Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric r... RICHARD P. 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Sure, it may give some practical results, but that's not why we do it. RICHARD FEYNMAN The difficulty really is psychological and exists in the perpetual torment that results
from your sa... RICHARD FEYNMAN Nobody understands quantum theory. RICHARD FEYNMAN The theoretical broadening which comes from having many humanities subjects on the campus is offset ... RICHARD FEYNMAN We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find ... RICHARD FEYNMAN There is a computer disease that anybody who works with computers knows about. It's a very serious d... RICHARD FEYNMAN no respect whatsoever for authority. RICHARD FEYNMAN Science is the belief in the ignorance of the experts RICHARD FEYNMAN I think I can safely say that nobody understands Quantum Mechanics RICHARD FEYNMAN It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't a... RICHARD FEYNMAN I learned from her [his mother] that the highest forms of understanding we can achieve are laughter ... RICHARD FEYNMAN Nobody ever figures out what life is all about, and it doesn't matter. Explore the world. Nearly eve... 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It's a very serious ... RICHARD FEYNMAN You say you are a nameless man. You are not to your wife and to your child. You will not long remain... RICHARD FEYNMAN You got to learn everything anyway, so which is first, is not essential. RICHARD FEYNMAN You have no responsibility to live up to what other people think you ought to accomplish. I have no ... RICHARD FEYNMAN But there is nothing in biology yet found that indicates the inevitability of death. RICHARD FEYNMAN So I have just one wish for you – the good luck to be somewhere where you are free to maintain the... RICHARD FEYNMAN I want to build a billion tiny factories, models of each other, which are manufacturing simultaneous... RICHARD FEYNMAN A few years after I gave some lectures for the freshmen at Caltech (which were published as the Feyn... RICHARD FEYNMAN You can know the name of a bird in all the languages of the world, but when you're finished, you'll ... RICHARD FEYNMAN I learned very early the difference between knowing the name of something and knowing something. RICHARD FEYNMAN It doesn't seem to me that this fantastically marvelous universe, this tremendous range of time and ... RICHARD FEYNMAN The scientist has a lot of experience with ignorance and doubt and uncertainty, and this experience ... RICHARD FEYNMAN The first person you should be careful not to fool is yourself. Because you are the easiest person t... RICHARD FEYNMAN I don't know what's the matter with people: they don't learn by understanding, they learn by some ot... RICHARD FEYNMAN I suddenly remembered that Murray Gell-Mann and I were supposed to give talks at that conference on ... RICHARD FEYNMAN There were a lot of fools at that conference—pompous fools—and pompous fools drive me up the wal... RICHARD FEYNMAN Details that could throw doubt on your interpretation must be given, if you know them. You must do t... RICHARD FEYNMAN How much do you value life?” “Sixty-four. RICHARD FEYNMAN the whole problem of discovering what was the matter, and figuring out what you have to do to fix it... RICHARD FEYNMAN That was a very good way to get educated, working on the senior problems and learning how to pronoun... RICHARD FEYNMAN I wouldn’t stop until I figured the damn thing out–it would take me fifteen or twenty minutes. B... RICHARD FEYNMAN Of course, you only live one life, and you make all your mistakes, and learn what not to do, and tha... RICHARD FEYNMAN I have to keep going to find out ultimately what is the matter with it in the end. RICHARD FEYNMAN The individual member of the social community often receives his information via visual, symbolic ch... RICHARD FEYNMAN When I tried to show him how an electromagnet works by making a little coil of wire and hanging a na... RICHARD FEYNMAN innovation is a very difficult thing in the real world RICHARD FEYNMAN I don’t know what’s the matter with people: they don’t learn by understanding; they learn by s... RICHARD FEYNMAN That’s the trouble with not being in your own field: You don’t take it seriously. RICHARD FEYNMAN The first principle is that you must not fool yourself—and you are the easiest person to fool. So ... RICHARD FEYNMAN You have to have absolute confidence. Keep right on going, and nothing will happen. RICHARD FEYNMAN There was a Princess Somebody of Denmark sitting at a table with a number of people around her, and ... RICHARD FEYNMAN You see, I get so much fun out of thinking that I don’t want to destroy this pleasant machine that... RICHARD FEYNMAN I always do that, get into something and see how far I can go. RICHARD FEYNMAN Learn what the rest of the world is like. The variety is worthwhile. RICHARD FEYNMAN My father had the spirit and integrity of a scientist, but he was a salesman. I remember asking him ... RICHARD FEYNMAN I wanted very much to learn to draw, for a reason that I kept to myself: I wanted to convey an emoti... RICHARD FEYNMAN I learned from her that every woman is worried about her looks, no matter how beautiful she is. RICHARD FEYNMAN – and pompous fools drive me up the wall. Ordinary fools are alright; you can talk to them and try... RICHARD FEYNMAN What Do You Care What Other People Think? RICHARD FEYNMAN Of course, you only live one life, and you make all your mistakes, and learn what not to do, and tha... RICHARD FEYNMAN All the time you're saying to yourself, 'I could do that, but I won't,' — which is just another wa... RICHARD FEYNMAN The next question was — what makes planets go around the sun? At the time of Kepler some people an... RICHARD FEYNMAN So my antagonist said, "Is it impossible that there are flying saucers? Can you prove that it's impo... RICHARD FEYNMAN Science is what we have learned about how to keep from fooling ourselves. RICHARD FEYNMAN A poet once said, 'The whole universe is in a glass of wine.' We will probably never know in what se... RICHARD FEYNMAN Fall in love with some activity, and do it! Nobody ever figures out what life is all about, and it d... RICHARD FEYNMAN The highest forms of understanding we can achieve are laughter and human compassion. RICHARD FEYNMAN Science is like sex: sometimes something useful comes out, but that is not the reason we are doing i... RICHARD FEYNMAN There is nothing that living things do that cannot be understood from the point of view that they ar... RICHARD FEYNMAN I was terrible in English. I couldn't stand the subject. It seemed to me ridiculous to worry about w... RICHARD FEYNMAN Mathematics is a language plus reasoning; it is like a language plus logic. Mathematics is a tool fo... RICHARD FEYNMAN If someone were to propose that the planets go around the sun because all planet matter has a kind o... RICHARD FEYNMAN All television is children's television. RICHARD P. ADLER You can only stumble if you are moving. RICHARD P. CARLTON The great thing about writing fiction is that you can do whatever the fuck you want, go as far as yo... RICHARD P. DENNEY A book series is never truly over. The story lives on, even when the final page has been turned. RICHARD P. DENNEY Interestingly, the patients who presented to me self-diagnosed [with Dissociative Identity Disorder ... RICHARD P. KLUFT The summary of Lambert and Lillenfelt’s “Bloodstains” in Scientific American Mind in the Octob... RICHARD P. KLUFT It is clear that the Vatican does not know what a theologian is and what a university is. RICHARD P. MCBRIEN As a practising lawyer, I was mediocre, but I worked hard as a law officer of the state government a... P. SATHASIVAM If you go back to any period in India's history, all the hard decisions this country had to take... P. CHIDAMBARAM I have maintained that the people of India are ahead of their governments. The people of India are a... P. CHIDAMBARAM When I came back to India after Harvard Business School, I started as a lawyer and as a trade union ... P. CHIDAMBARAM Let me tell you, very frankly, when I went to the Harvard Business School I was more or less a commi... P. CHIDAMBARAM