Theory Quotes
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In art, practice always comes before theory.
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Life sends you angels sometimes when you're in need and, in my theory, it's usually never the people you expect to be there. They are often gone the people that appear with a piece of advice or something they want to give to you to help you through are generally surprising people and I wanted Kirsten's character to be that.
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I have a theory of relatives, too. Don't hire 'em.
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A theory is no more like a fact than a photograph is like a person.
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I don't actually do any exercise, which is really bad. But I wear heels a lot. My theory is that it's painful, so it's gotta do something.
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When forced to summarize the general theory of relativity in one sentence: Time and space and gravitation have no separate existence from matter.
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In theory it is easy to convince an ignorant person; in actual life, men not only object to offer themselves to be convinced, but hate the man who has convinced them.
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Personally, I never admired communists because they operate on the theory that human beings are nice people.
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What you present as the gospel will determine what you present as discipleship. If you present as the gospel what is essentially a theory of the atonement, and you say, 'If you accept this theory of the atonement, your sins are forgiven, and when you die you will be received into heaven,' there is no basis for discipleship.
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At present every coachman and every waiter argues about whether or not the relativity theory is correct.
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As usual, nature's imagination far surpasses our own, as we have seen from the other theories which are subtle and deep.
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I have a theory - if the music is good and you have good musicians, the name doesn't matter that much. There are a lot of examples of that. The name is just a calling card.
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The development during the present century is characterized by two theoretical systems essentially independent of each other: the theory of relativity and the quantum theory. The two systems do not directly contradict each other; but they seem little adapted to fusion into one unified theory.
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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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Fundamental ideas play the most essential role in forming a physical theory. Books on physics are full of complicated mathematical formulae. But thought and ideas, not formulae, are the beginning of every physical theory. The ideas must later take the mathematical form of a quantitative theory, to make possible the comparison with experiment.
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The theory must not contradict empirical facts.
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What lead me more or less directly to the special theory of relativity was the conviction that the electromotive force acting on a body in motion in a magnetic field was nothing else but an electric field.
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In order to govern, the question is not to follow out a more or less valid theory but to build with whatever materials are at hand. The inevitable must be accepted and turned to advantage.
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Everything factual is, in a sense, theory. The blue of the sky exhibits the basic laws of chromatics. There is no sense in looking for something behind phenomena: they are theory.
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All theory is against freedom of the will; all experience for it.
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Rational behavior requires theory. Reactive behavior requires only reflex action.
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A theory has only the alternative of being right or wrong. A model has a third possibility: it may be right, but irrelevant.
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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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Since the mathematicians have invaded the theory of relativity, I do not understand it myself anymore.
