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Theory Quotes
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I pass with relief from the tossing sea of Cause and Theory to the firm ground of Result and Fact.
Winston Churchill
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It has certainly been true in the past that what we call intelligence and scientific discovery have conveyed a survival advantage. It is not so clear that this is still the case: our scientific discoveries may well destroy us all, and even if they don't, a complete unified theory may not make much difference to our chances of survival. However, provided the universe has evolved in a regular way, we might expect that the reasoning abilities that natural selection has given us would be valid also in our search for a complete unified theory, and so would not lead us to the wrong conclusions.
Stephen Hawking
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It has somehow or other happened, from time immemorial, that many of the best and ablest philosophers, who have been perfect lights of science in matters of theory, have been wholly unable to reduce them to practice.
Charles Dickens
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If what we regard as real depends on our theory, how can we make reality the basis of our philosophy?...But we cannot distinguish what is real about the universe without a theory...it makes no sense to ask if it corresponds to reality, because we do not know what reality is independent of a theory.
Stephen Hawking
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A theory is the more impressive the greater the simplicity of its premises is, the more different kinds of things it relates, and the more extended is its area of applicability. Therefore the deep impression which classical thermodynamics made upon me. It is the only physical theory of universal content concerning which I am convinced that, within the framework of the applicability of its basic concepts, it will never be overthrown (for the special attention of those who are skeptics on principle).
Albert Einstein
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If the freedom of religion, guaranteed to us by law in theory, can ever rise in practice under the overbearing inquisition of public opinion, [then and only then will truth]prevail over fanaticism.
Thomas Jefferson
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I certainly know that I owe it [the Copernican theory] this duty, that as I have attested it as true in my deepest soul, and as I contemplate its beauty with incredible and ravishing delight, I should also publicly defend it to my readers with all the force at my command.
Johannes Kepler
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The motivating force of the theory of a Democratic way of life is still a belief that as individuals we live cooperatively, and, to the best of our ability, serve the community in which we live...
Eleanor Roosevelt
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No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it to go on beyond.
André Gide
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The content of scientific theory itself offers no moral foundation for the personal conduct of life.
Albert Einstein
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In war, theory is all right so far as general principles are concerned; but in reducing general principles to practice there will always be danger. Theory and practice are the axis about which the sphere of accomplishment revolves.
Napoleon I of France
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I was sitting in a chair in the patent office in Bern when all of a sudden a thought occurred to me: 'If a person falls freely he will not feel his own weight.' I was startled. This simple thought made a deep impression on me. It impelled me toward a theory of gravitation.
Albert Einstein
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In theory I could run my business perfectly, and then run the country perfectly. And there's never been a case like this where somebody's had, like, if you look at other people of wealth, they didn't have this kind of asset and this kind of wealth, frankly. It's just a different thing.
Donald Trump
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Me, I am convinced it is the truth, said M. Bouc, becoming more and more enamoured of his theory.
Agatha Christie
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I don't mean to deny that the evidence is in some ways very strong in favor of your theory, I only wish to point out that there are other theories possible.
Arthur Conan Doyle
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I cannot think of permanent enmity between man and man, and believing as I do in the theory of reincarnation, I live in the hope that if not in this birth, in some other birth I shall be able to hug all of humanity in friendly embrace.
Mahatma Gandhi
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We never thought, sitting in my office on those afternoons, discussing Voltaire and Ingersoll, that we would ever be brought to this, did we? You, the atheist whom the mere sight of a church spire on the sky could enrage; and I who have never been able to divorce myself from reason enough even to accept your pleasant and labor-saving theory of nihilism.
William Faulkner
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Time is that wherein there is opportunity, and opportunity is that wherein there is no great time. Healing is a matter of time, but it is sometimes also a matter of opportunity. However, knowing this, one must attend to medical practice not primarily to plausible theories, but to experience combined with reason. For a theory is a composite memory of things apprehended with sense perception.
Hippocrates
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That is the way of the scientist. He will spend thirty years in building up a mountain range of facts with the intent to prove a certain theory; then he is so happy with his achievement that as a rule he overlooks the main chief fact of all-that all his accumulation proves an entirely different thing.
Mark Twain
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Everything must be taken into account. If the fact will not fit the theory—let the theory go.
Agatha Christie
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I would suggest to you the advantage, at present, of being very sparing in introducing theory in your papers (I formerly erred much in Geology in that way): let theory guide your observations, but till your reputation is well established be sparing in publishing theory. It makes persons doubt your observations. How rarely R. Brown ever indulged in theory: too seldom perhaps! Do not work too hard, and do not be discouraged because your work is not appreciated by the majority.
Charles Darwin
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In the science, Evolution is a theory about changes; in the myth it is a fact about improvements.
C. S. Lewis
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I have no theory about dreams. I do not know how dreams arise. On the other hand, I know that if we meditate on a dream sufficiently long and thoroughly – if we take the boat with us and turn it over and over – something almost always comes out of it.
Carl Jung
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The field of experience is the whole universe in all directions. Theory remains shut up within the limits of human faculties.
Johann Wolfgang von Goethe
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Human life is a series of compromises, and it is not always easy to achieve in practice what one has found to be true in theory.
Mahatma Gandhi
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