Scientist Quotes

 A human being is part of a whole, called by us the 'Universe,' a part limited in time and space. He experiences himself, his thoughts and feelings, as something separated from the rest - a kind of optical delusion of his consciousness. This delusion is a kind of prison for us, restricting us to our personal desires and to affection for a few persons nearest us. Our task must be to free ourselves from this prison by widening our circles of compassion to embrace all living creatures and the whole of nature in its beauty. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A hundred times every day I remind myself that my inner and outer life depend on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A man should look for what is, and not for what he thinks should be. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A man's ethical behavior should be based effectually on sympathy, education, and social ties; no religious basis is necessary. Man would indeed be in a poor way if he had to be restrained by fear of punishment and hope of reward after death. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A person starts to live when he can live outside himself. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A person who never made a mistake never tried anything new. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A photograph never grows old. You and I change, people change all through the months and years, but a photograph always remains the same. How nice to look at a photograph of mother or father taken many years ago. You see them as you remember them. But as people live on, they change completely. That is why I think a photograph can be kind. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A theory can be proved by experiment; but no path leads from experiment to the birth of a theory. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 According to this conception, the sole function of education was to open the way to thinking and knowing, and the school, as the outstanding organ for the people's education, must serve that end exclusively. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 All meaningful and lasting change starts first in your imagination and then works its way out. Imagination is more important than knowledge. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 All such action would cease if those powerful elemental forces were to cease stirring within us.  
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 All that is valuable in human society depends upon the opportunity for development accorded the individual. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 All these constructions and the laws connecting them can be arrived at by the principle of looking for the mathematically simplest concepts and the link between them. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Anyone who has never made a mistake has never tried anything new. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Anything you don't understand, Mr. Rankin, you attribute to God. God for you is where you sweep away all the mysteries of the world, all the challenges to our intelligence. You simply turn your mind off and say 'God did it'. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 As long as there are sovereign nations possessing great power, war is inevitable. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 At any rate, I am convinced that God does not play dice. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 At the same time, as social beings, we are moved in the relations with our fellow beings by such feelings as sympathy, pride, hate, need for power, pity, and so on. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Before God we are all equally wise - and equally foolish. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 But their intervention makes our acts to serve ever less merely the immediate claims of our instincts 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Chemistry is a trade for people without enough imagination to be physicists. 
Author: Arthur C. Clarke
Nationality: English
b. 16 December 1917
  
 Chemistry is all about getting lucky. 
Author: Robert Curl
Nationality: English
b. 23 July 1933
  
 Co-operation is not a sentiment - it is a necessity. 
Author: Charles P. Steinmetz
Nationality: American
b. 9 April 1865  - d. 26 October 1923
  
 Common sense is the collection of prejudices acquired by age eighteen. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Computer: a million morons working at the speed of light. 
Author: David Ferrier
Nationality: Scottish
b. 13 January 1843  - d. 19 March 1928
  
 Confusion of goals and perfection of means seems, in my opinion, to characterize our age. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Considered logically this concept is not identical with the totality of sense impressions referred to; but it is an arbitrary creation of the human (or animal) mind. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Creating a new theory is not like destroying an old barn and erecting a skyscraper in its place. It is rather like climbing a mountain, gaining new and wider views, discovering unexpected connections between our starting points and its rich environment. But the point from which we started out still exists and can be seen, although it appears smaller and forms a tiny part of our broad view gained by the mastery of the obstacles on our adventurous way up. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Curiosity has its own reason for existence. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Degeneracy follows every autocratic system of violence, for violence inevitably attracts moral inferiors. Time has proven that illustrious tyrants are succeeded by scoundrels. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Do not worry about your difficulties in Mathematics. I can assure you mine are still greater. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 During the last century, and part of the one before, it was widely held that there was an unreconcilable conflict between knowledge and belief. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 E=mc_ (Energy equals mass times the square of the speed of light.) Original statement: If a body gives off the energy L in the form of radiation, its mass diminshes by L/c_. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Each of us is here for a brief sojourn; for what purpose he knows not, though he senses it. But without deeper reflection one knows from daily life that one exists for other people. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Education is the progressive realization of our ignorance. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Education is what remains after one has forgotten everything he learned in school. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Every kind of peaceful cooperation among men is primarily based on mutual trust and only secondarily on institutions such as courts of justice and police. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Everything is determined, the beginning as well as the end, by forces over which we have no control. It is determined for insects as well as for the stars. Human beings, vegetables or cosmic dust, we all dance to a mysterious tune, intoned in the distance by an invisible piper. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Everything should be made as simple as possible, but not simpler. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Everything that is really great and inspiring is created by the individual who can labor in freedom. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Example isn't another way to teach, it is the only way to teach. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Few are those who see with their own eyes and feel with their own hearts. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Formal symbolic representation of qualitative entities is doomed to its rightful place of minor significance in a world where flowers and beautiful women abound. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Generations to come will find it difficult to believe that a man such as Gandhi ever walked the face of this earth. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 God does not care about our mathematical difficulties. He integrates empirically. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 God is clever, but not dishonest. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 God is subtle but not malicious. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Good parents give their children Roots and Wings. Roots to know where home is, wings to fly away and exercise what's been taught them. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 Gravitation cannot be held responsible for people falling in love. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Great spirits have always encountered opposition from mediocre minds. The mediocre mind is incapable of understanding the man who refuses to bow blindly to conventional prejudices and chooses instead to express his opinions courageously and honestly. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 He who can no longer pause to wonder and stand rapt in awe is as good as dead; his eyes are closed. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would fully suffice. This disgrace to civilization should be done away with at once. Heroism at command, senseless brutality, deplorable love-of-country stance, how violently I hate all this, how despicable and ignoble war is; I would rather be torn to shreds than be a part of so base an action! It is my conviction that killing under the cloak of war is nothing but an act of murder. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 How do I work? I grope. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 How on earth are you ever going to explain in terms of chemistry and physics so important a biological phenomenon as first love? 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 How strange is the lot of us mortals! Each of us is here for a brief sojourn; for what purpose he knows not, though he senses it. But without deeper reflection one knows from daily life that one exists for other people. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 I feel that the greatest reward for doing is the opportunity to do more. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 I maintain there is much more wonder in science than in pseudoscience. And in addition, to whatever measure this term has any meaning, science has the additional virtue, and it is not an inconsiderable one, of being true. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 I would rather walk the length of Broadway in the nude than see myself in a movie. 
Author: Lise Meitner
Nationality: Swedish
b. 07 November 1878  - d. 27 October 1968
  
 It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 It is of interest to note that while some dolphins are reported to have learned English - up to fifty words used in correct context - no human being has been reported to have learned dolphinese. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 My hope is that the atomic bomb will make humanity realize that one must, once and for all, be finished with war. 
Author: Lise Meitner
Nationality: Swedish
b. 07 November 1878  - d. 27 October 1968
  
 No man really becomes a fool until he stops asking questions. 
Author: Charles P. Steinmetz
Nationality: American
b. 9 April 1865  - d. 26 October 1923
  
 The accomplice to the crime of corruption is frequently our own indifference. 
Author: Bess Myerson
Nationality: American
b. December 1924
  
 The fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 We wish to find the truth, no matter where it lies. But to find the truth we need imagination and skepticism both. We will not be afraid to speculate, but we will be careful to distinguish speculation from fact. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 A knowledge of the existence of something we cannot penetrate, of the manifestations of the profoundest reason and the most radiant beauty, which are only accessible to our reason in their most elementary forms - it is this knowledge and this emotion that constitute the truly religious attitude; in this sense, and in this alone, I am a deeply religious man. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 A person who is religiously enlightened appears to me to be one who has, to the best of his ability, liberated himself from the fetters of his selfish desires and is preoccupied with thoughts, feelings and aspirations to which he clings because of their super-personal value ... regardless of whether any attempt is made to unite this content with a Divine Being, for otherwise it would not be possible to count Buddha and Spinoza as religious personalities. Accordingly, a religious person is devout in the sense that he has no doubt of the significance of those super-personal objects and goals which neither require nor are capable of rational foundation ... In this sense religion is the age-old endeavour of mankind to become clearly and completely conscious of these values and goals, and constantly to strengthen their effects. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 For me the Jewish religion like all others is an incarnation of the most childish superstitions. And the Jewish people to whom I gladly belong and with whose mentality I have a deep affinity have no different quality for me than all other people. As far as my experience goes, they are no better than other human groups, although they are protected from the worst cancers by a lack of power. Otherwise I cannot see anything 'chosen' about them. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 Everyone should be respected as an individual, but no one idolized. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 The idea that God is an oversized white male with a flowing beard, who sits in the sky and tallies the fall of every sparrow is ludicrous. But if by "God" one means the set of physical laws that govern the universe, then clearly there is such a God. This God is emotionally unsatisfying ... it does not make much sense to pray to the law of gravity. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 Some people think God is an outsized, light-skinned male with a long white beard, sitting on a throne somewhere up there in the sky, busily tallying the fall of every sparrow. Others - for example Baruch Spinoza and Albert Einstein - considered God to be essentially the sum total of the physical laws which describe the universe. I do not know of any compelling evidence for anthropomorphic patriarchs controlling human destiny from some hidden celestial vantage point, but it would be madness to deny the existence of physical laws. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 An atheist has to know a lot more than I know. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 Extraordinary claims require extraordinary evidence. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 If there is life on Mars, then I believe we should do nothing to disturb that life. Mars, then, belongs to the Martians, even if they are microbes. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 We may disagree with Randi on certain points, but we ignore him at our peril. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 Socialism would never work in the United States because the country lacked a powerful, centralized government of competent men, remaining continuously in office and because only a small percentage of Americans accept this viewpoint today. 
Author: Charles P. Steinmetz
Nationality: American
b. 9 April 1865  - d. 26 October 1923
  
 Money is a stupid measure of achievement, but unfortunately it is the only universal measure we have. 
Author: Charles P. Steinmetz
Nationality: American
b. 9 April 1865  - d. 26 October 1923
  
 As a rule of thumb, the more qualifiers there are before the name of a country, the more corrupt the rulers. A country called The Socialist People's Democratic Republic of X is probably the last place in the world you'd want to live. 
Author: Paul Graham
Nationality: American
b. December 1964
  
 At any given time, there are only about ten or twenty places where hackers most want to work, and if you aren't one of them, you won't just have fewer great hackers, you'll have zero. 
Author: Paul Graham
Nationality: American
b. December 1964
  
 You all worked for Nazi Germany. And you tried to offer only a passive resistance. Certainly, to buy off your conscience you helped here and there a persecuted person, but millions of innocent human beings were allowed to be murdered without any kind of protest being uttered. First you betrayed your friends, then your children in that you let them stake their lives on a criminal war – and finally that you betrayed Germany itself, because when the war was already quite hopeless, you did not once arm yourselves against the senseless destruction of Germany. 
Author: Lise Meitner
Nationality: Swedish
b. 07 November 1878  - d. 27 October 1968
  
 At the last dim horizon, we search among ghostly errors of observations for landmarks that are scarcely more substantial. The search will continue. The urge is older than history. It is not satisfied and it will not be oppressed. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 Equipped with his five senses, man explores the universe around him and calls the adventure Science. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 The universe is unfolding as it should. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 Observations always involve theory. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 The great spirals apparently lie outside our stellar system. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 We find them smaller and fainter, in constantly increasing numbers, and we know that we are reaching into space, farther and farther, until, with the faintest nebulae that can be detected with the greatest telescopes, we arrive at the frontier of the known universe. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 Past time is finite, future time is infinite. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 Positive, objective knowledge is public property. It can be transmitted directly from one person to another, it can be pooled, and it can be passed on from one generation to the next. Consequently, knowledge accumulates through the ages, each generation adding its contribution. Values are quite different. By values, I mean the standards by which we judge the significance of life. The meaning of good and evil, of joy and sorrow, of beauty, justice, success-all these are purely private convictions, and they constitute our store of wisdom. They are peculiar to the individual, and no methods exist by which universal agreement can be obtained. Therefore, wisdom cannot be readily transmitted from person to person, and there is no great accumulation through the ages. Each man starts from scratch and acquires his own wisdom from his own experience. About all that can be done in the way of communication is to expose others to vicarious experience in the hope of a favorable response. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 Science is the one human activity that is truly progressive. The body of positive knowledge is transmitted from generation to generation. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 The history of astronomy is a history of receding horizons. 
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 With increasing distance, our knowledge fades, and fades rapidly. Eventually, we reach the dim boundary—the utmost limits of our telescopes. There, we measure shadows, and we search among ghostly errors of measurement for landmarks that are scarcely more substantial. The search will continue. Not until the empirical resources are exhausted, need we pass on to the dreamy realms of speculation.  
Author: Edwin Hubble
Nationality: Swedish
b. 20 November 1889  - d. 28 September 1053
  
 Although the problem of transmuting chemical elements into each other is much older than a satisfactory definition of the very concept of chemical element, it is well known that the first and most important step towards its solution was made only nineteen years ago by the late Lord Rutherford, who started the method of the nuclear bombardments. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 Such a weapon goes far beyond any military objective and enters the range of very great natural catastrophes. By its very nature it cannot be confined to a military objective but becomes a weapon which in practical effect is almost one of genocide. It is clear that the use of such a weapon cannot be justified on any ethical ground which gives a human being a certain individuality and dignity even if he happens to be a resident of an enemy country. The fact that no limits exist to the destructiveness of this weapon makes its very existence and the knowledge of its construction a danger to humanity as a whole. It is necessarily an evil thing considered in any light. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 Where are they? 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 I cannot think of a single one, not even intelligence.  
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 I hope it won't take long. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 If I could remember the names of all these particles, I'd be a botanist. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission. 
Author: Enrico Fermi
Nationality: American
b. December 1901  - d.  December 1954
  
 In science, conjecture drives both experiment and theory for it is only by forming conjectures (hypotheses) that we can make the direction of our experiments and theories informed. If such and such is true, then I should be able to do this experiment and look for this particular result or I should be able to find this theoretical formulation. Conversely, experiment and theory drive conjecture. One makes a startling observation or has a sudden insight and begins to speculate on its significance and implications and to draw possible conclusions (conjecture). 
Author: Robert Curl
Nationality: American
b. 23 July 1933
  
 During our brief stay on planet Earth, we owe ourselves and our descendants the opportunity to explore - in part because it's fun to do. But there's a far nobler reason. The day our knowledge of the cosmos ceases to expand, we risk regressing to the childish view that the universe figuratively and literally revolves around us. In that bleak world, arms-bearing, resource-hungry people and nations would be prone to act on their "low contracted prejudices." And that would be the last gasp of human enlightenment—until the rise of a visionary new culture that could once again embrace the cosmic perspective. 
Author: Neil deGrasse Tyson
Nationality: African-American
b. 05 October 1958
  
 Life is but a momentary glimpse of the wonder of this atonishing universe, and it is sad to see so many dreaming it away on spirituality fantasy. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 American scientists are less religious than the American public generally, and the most distinguished scientists are the least religious of all. 
Author: Richard Dawkins
Nationality: British
b. 26 March 1941
  
 Hope lies in dreams, in imagination, and in the courage of those who dare to make dreams into reality. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 I pictured myself as a virus or a cancer cell and tried to sense what it would be like. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 Nothing happens quite by chance. It's a question of accretion of information and experience. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 I don't want to believe. I want to know. 
Author: Carl Sagan
Nationality: American
b. 09 November 1934  - d. 20 December 1996
  
 A man's ethical behavior should be based effectually on sympathy, education, and social ties; no religious basis is necessary. Man would indeed be in a poor way if he had to be restrained by fear of punishment and hope of reward after death. 
Author: Albert Einstein
Nationality: American
b. 14 March 1879  - d. 18 April 1955
  
 As a child I was not interested in science. I was merely interested in things human, the human side of nature, if you like, and I continue to be interested in that. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 My intention was to go to medical school, and then become a medical scientist. I did not intend to practice medicine, although in medical school, and in my internship, I did all the things that were necessary to qualify me in that regard. I had opportunities along the way to drop the idea of medicine and go into science. At one point at the end of my first year of medical school, I received an opportunity to spend a year in research and teaching in biochemistry, which I did. And at the end of that year, I was told that I could, if I wished, switch and get a Ph.D. in biochemistry but my preference was to stay with medicine. And, I believe that this is all linked to my original ambition, or desire, which was to be of some help to humankind, so to speak, in a larger sense than just on a one-to-one basis 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 I thought how nice it would be if a place like this existed and I was invited to work there. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 In the end, what may have more significance is my creation of the institute and what will come out of it, because of its example as a place for excellence, a creative environment for creative minds. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 The reward for work well done is the opportunity to do more. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 I have had dreams and I have had nightmares, but I have conquered my nightmares because of my dreams. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 Intuition will tell the thinking mind where to look next. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 Nothing happens quite by chance. It's a question of accretion of information and experience. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 It is always with excitement that I wake up in the morning wondering what my intuition will toss up to me, like gifts from the sea. I work with it and rely on it. It's my partner. 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  
 No one. Could you patent the sun? 
Author: Jonas Edward Salk
Nationality: American
b. 28 October 1914  - d. 23 June 1995
  




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