Theory Quotes
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The whole theory of modern education is radically unsound. Fortunately in England, at any rate, education produces no effect whatsoever. If it did, it would prove a serious danger to the upper classes, and probably lead to acts of violence.
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The most important single thing about string theory is that it's a highly mathematical theory, and the mathematics holds together in a very tight and consistent way. It contains in its basic structure both quantum mechanics and the theory of gravity. That's big news.
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Social cognitive theory rejects the dichotomous conception of self as agent and self as object. Acting on the environment and acting on oneself entail shifting the perspective of the same agent rather than reifying different selves regulating each other or transforming the self from agent to object.
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Whether you can observe a thing or not depends on the theory which you use. It is the theory which decides what can be observed.
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However we select from nature a complex of phenomena using the criterion of simplicity, in no case will its theoretical treatment turn out to be forever appropriate (sufficient).... I do not doubt that the day will come when general relativity, too, will have to yield to another one, for reasons which at present we do not yet surmise. I believe that this process of deepening theory has no limits.
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A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.
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When you have two competing theories that make exactly the same predictions, the simpler one is the better.
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Some men spend a lifetime in an attempt to comprehend the complexities of women. Others pre-occupy themselves with somewhat simpler tasks, such as understanding the theory of relativity!
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The scientific theorist is not to be envied. For Nature, or more precisely experiment, is an exorable and not very friendly judge of his work. It never says "yes" to a theory. In the most favorable cases it says "Maybe," and in the great majority of cases simply "No." If an experiment agrees with a theory it means for the latter "Maybe," and if it does not agree it means "No." Probably every theory will some day experience its "No" - most theories, soon after conception.
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When the Special Theory of Relativity began to germinate in me, I was visited by all sorts of nervous conflicts... I used to go away for weeks in a state of confusion.
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A correct theory is the first step towards improvement, by showing what we need and what we might accomplish.
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The philosophy of reasoning, to be complete, ought to comprise the theory of bad as well as of good reasoning.
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I was an English major, so I love discussing possibilities and alternate theories.
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An ounce of practice is worth a pound of theory.
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We're going to need a definitive quantum theory of gravity, which is part of a grand unified theory - it's the main missing piece.
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Theory regards this opening as incorrect, but it is impossible to agree with this. Out of the five tournament games played by me with the King's Gambit, I have won all five.
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Behavior is the theory of manners practically applied.
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On quantum theory I use up more brain grease than on relativity.
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Had a theory that everyone has a relationship with words—whether they know it or not. It’s just that everybody’s relationship with words is different.
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If my theory of relativity is proven successful, Germany will claim me as a German and France will declare me a citizen of the world. Should my theory prove untrue, France will say that I am a German, and Germany will declare that I am a Jew.
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No theory of life seemed to him to be of any importance compared with life itself.
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I can easily conceive, most Holy Father, that as soon as some people learn that in this book which I have written concerning the revolutions of the heavenly bodies, I ascribe certain motions to the Earth, they will cry out at once that I and my theory should be rejected.
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A feeble execution is but another phrase for a bad execution; and a government ill executed, whatever may be its theory, must, in practice, be a bad government.
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I venture to define science as a series of interconnected concepts and conceptual schemes arising from experiment and observation and fruitful of further experiments and observations. The test of a scientific theory is, I suggest, its fruitfulness.
