Science Quotes

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See first, think later, then test. But always see first. Otherwise, you will only see what you were expecting. Most scientists forget that.
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Douglas Adams

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“Logic is the science not of external forms of thought, but of the laws of development "of all material, natural and spiritual things", i.e., of the development of the entire concrete content of the world and of its cognition, i.e., the sum-total, the conclusion of the History of knowledge of the world.” 
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Vladimir Lenin

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There are sadistic scientists who hurry to hunt down errors instead of establishing the truth. 
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Marie Curie

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A great discovery does not issue from a scientists brain ready-made, like Minerva springing fully armed from Jupiter’s head; it is the fruit of an accumulation of preliminary work. 
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Marie Curie

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Certein bodies… become luminous when heated. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat is restored to them by the action of a spark, and also by the action of radium. 
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Marie Curie

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We must not forget that when radium was discovered no one knew that it would prove useful in hospitals. The work was one of pure science. And this is a proof that scientific work must not be considered from the point of view of the direct usefulness of it. It must be done for itself, for the beauty of science, and then there is always the chance that a scientific discovery may become like the radium a benefit for mankind. ” 
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Marie Curie

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I am among those who think that science has great beauty.
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Marie Curie

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Public opinion, I am sorry to say, will bear a great deal of nonsense. There is scarcely any absurdity so gross, whether in religion, politics, science or manners, which it will not bear.
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Ralph Waldo Emerson

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"The boys learn the Quran by heart, rocking back and forth as they recite. They learn that there is no such thing as science or literature, that dinosaurs never existed and man never went to the moon."
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Malala Yousafzai

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The sciences of only one nation, the Greeks, have come down to us, because they were translated through Al-Ma'mun's efforts. He was successful in this direction because he had many translators at his disposal and spent much money in this connection.
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Ibn Khaldun

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All the sciences came to exist in Arabic. The systematic works on them were written in Arabic writing.
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Ibn Khaldun

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In science, compromise is a betrayal of truth.
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Ludwig Von Mises

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"[Alexander von Humboldt was the] greatest scientific traveller who ever lived."
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Charles Darwin

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Every chemical substance, whether natural or artificial, falls into one of two major categories, according to the spatial characteristic of its form. The distinction is between those substances that have a plane of symmetry and those that do not. The former belong to the mineral, the latter to the living world.
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Louis Pasteur

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Herrmann Pidoux and Armand Trousseau stated 'Disease exists within us, because of us, and through us', Pasteur did not entirely disagree, 'This is true for certain diseases', he wrote cautiously, only to add immediately: 'I do not think that it is true for all of them'.
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Louis Pasteur

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In that memorable year, 1822: Oersted, a Danish physicist, held in his hands a piece of copper wire, joined by its extremities to the two poles of a Volta pile. On his table was a magnetized needle on its pivot, and he suddenly saw (by chance you will say, but chance only favours the mind which is prepared) the needle move and take up a position quite different from the one assigned to it by terrestrial magnetism. A wire carrying an electric current deviates a magnetized needle from its position. That, gentlemen, was the birth of the modern telegraph.
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Louis Pasteur

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You bring me the deepest joy that can be felt by a man whose invincible belief is that Science and Peace will triumph over Ignorance and War, that nations will unite, not to destroy, but to build, and that the future will belong to those who will have done most for suffering humanity.
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Louis Pasteur

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Are the atoms of the dextroacid (tartaric) grouped in the spirals of a right-hand helix or situated at the angles of an irregular tetrahedron, or arranged in such or such particular unsymmetrical fashion? We are unable to reply to these questions. But there can be no reason for doubting that the grouping of the atoms has an unsymmetrical arrangement with a non-superimposable image. It is not less certain that the atoms of the laevo-acid realize precisely an unsymmetrical arrangement of the inverse of the above.
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Louis Pasteur

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Great problems are now being handled, keeping every thinking man in suspense; the unity or multiplicity of human races; the creation of man 1,000 years or 1,000 centuries ago; the fixity of species, or the slow and progressive transformation of one species into another; the eternity of matter; the idea of a God unnecessary: such are some of the questions that humanity discusses nowadays.
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Louis Pasteur

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I propose to provide proof... that just as always an alcoholic ferment, the yeast of beer, is found where sugar is converted into alcohol and carbonic acid, so always a special ferment, a lactic yeast, is found where sugar is transformed into lactic acid. And, furthermore, when any plastic nitrogenated substance is able to transform sugar into that acid, the reason is that it is a suitable nutrient for the growth of the [lactic] ferment.
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Louis Pasteur

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No, there is now no circumstance known in which it can be affirmed that microscopic beings came into the world without germs, without parents similar to themselves. Those who affirm it have been duped by illusions, by ill-conducted experiments, spoilt by errors that they either did not perceive or did not know how to avoid.
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Louis Pasteur

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We affirm the neutrality of Science ... Science is of no country. ... But if Science has no country, the scientist must keep in mind all that may work towards the glory of his country. In every great scientist will be found a great patriot.
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Louis Pasteur

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My opinion - nay more, my conviction - is that, in the present state of science, as you rightly say, spontaneous generation is a chimera; and it would be impossible for you to contradict me, for my experiments all stand forth to prove that spontaneous generation is a chimera.
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Louis Pasteur

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After death, life reappears in a different form and with different laws. It is inscribed in the laws of the permanence of life on the surface of the earth and everything that has been a plant and an animal will be destroyed and transformed into a gaseous, volatile and mineral substance.
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Louis Pasteur

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Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share the opinion of those narrow minds who disdain everything in science which has not an immediate application. ... A theoretical discovery has but the merit of its existence: it awakens hope, and that is all. But let it be cultivated, let it grow, and you will see what it will become.
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Louis Pasteur

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These microscopic organisms form an entire world composed of species, families and varieties whose history, which has barely begun to be written, is already fertile in prospects and findings of the highest importance. The names of these organisms are very numerous and will have to be defined and in part discarded. The word microbe which has the advantage of being shorter and carrying a more general meaning, and of having been approved by my illustrious friend, M. Littré, the most competent linguist in France, is one we will adopt.
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Louis Pasteur

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To demonstrate experimentally that a microscopic organism actually is the cause of a disease and the agent of contagion, I know no other way, in the present state of Science, than to subject the microbe (the new and happy term introduced by M. Sédillot) to the method of cultivation out of the body.
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Louis Pasteur

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Virulence appears in a new light which cannot but be alarming to humanity; unless nature, in her evolution down the ages (an evolution which, as we now know, has been going on for millions, nay, hundreds of millions of years), has finally exhausted all the possibilities of producing virulent or contagious diseases - which does not seem very likely.
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Louis Pasteur

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Imagination should give wings to our thoughts but we always need decisive experimental proof, and when the moment comes to draw conclusions and to interpret the gathered observations, imagination must be checked and documented by the factual results of the experiment.
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Louis Pasteur

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Preconceived ideas are like searchlights which illumine the path of the experimenter and serve him as a guide to interrogate nature. They become a danger only if he transforms them into fixed ideas-this is why I should like to see these profound words inscribed on the threshold of all the temples of science: 'The greatest derangement of the mind is to believe in something because one wishes it to be so.'
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Louis Pasteur

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When you believe you have found an important scientific fact, and are feverishly curious to publish it, constrain yourself for days, weeks, years sometimes, fight yourself, try and ruin your own experiments, and only proclaim your discovery after having exhausted all contrary hypotheses. But when, after so many efforts you have at last arrived at a certainty, your joy is one of the greatest which can be felt by a human soul.
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Louis Pasteur

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The Greeks bequeathed to us one of the most beautiful words in our language--the word 'enthusiasm'--en theos--a god within. The grandeur of human actions is measured by the inspiration from which they spring. Happy is he who bears a god within, and who obeys it.
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Louis Pasteur

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The more I study nature, the more I stand amazed at the work of the Creator. Science brings men nearer to God.

Quote by - Louis Pasteur

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Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.
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Louis Pasteur

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Posterity will one day laugh at the sublime foolishness of the modern materialistic philosophy. The more I study nature, the more I stand amazed at the work of the Creator. I pray while I am engaged at my work in the laboratory.
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Louis Pasteur

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Chance favors the prepared mind.
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Louis Pasteur

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Little science takes you away from God but more of it takes you to Him.
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Louis Pasteur

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To know how to wonder and question is the first step of the mind toward discovery.
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Louis Pasteur

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Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity.
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Louis Pasteur

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Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.
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Louis Pasteur

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The role of the infinitely small in nature is infinitely great.
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Louis Pasteur

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A bottle of wine contains more philosophy than all the books in the world.
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Louis Pasteur

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One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.
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Louis Pasteur

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The greatest derangement of the mind is to believe in something because one wishes it to be so.
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Louis Pasteur

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It is not the germs we need worry about. It is our inner terrain.
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Louis Pasteur

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Question your priorities often, make sure God always comes first.
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Louis Pasteur

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When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.
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Louis Pasteur

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Science and Peace will triumph over Ignorance and War...
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Louis Pasteur

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