Theory Quotes
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Every theory of love, from Plato down, teaches that each individual loves in the other sex what he lacks in himself.
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The truth of a theory can never be proven, for one never knows if future experience will contradict its conclusions.
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If a theory can not be explained to a child, then the theory is probably worthless.
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The most practical solution is a good theory.
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The truth of a theory is in your mind, not in your eyes.
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In theory, theory and practice are the same. In practice, they are not.
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When I'm judging a theory, I ask myself whether, if I were God, I would have arranged the world in such a way.
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The most beautiful fate of a physical theory is to point the way to the establishment of a more inclusive theory, in which it lives on as a limiting case.
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A truly rational theory would allow us to deduce the elementary particles and not be forced to state them a priori.
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If the facts don't fit the theory, change the facts.
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If quantum theory is correct, it signifies the end of physics as a science.
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A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.
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The classical example of a successful research programme is Newton's gravitational theory: possibly the most successful research programme ever.
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Even for practical purposes theory generally turns out the most important thing in the end.
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You cannot run a business, or anything else, on a theory.
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My theory is that balance is key - nothing in excess.
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Essential to the theory of evolution is the premise that everything has come into being by itself.
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The evolutionary theory of senescence can be stated as follows: while bodies are not designed to fail, neither are they designed for extended operation.
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I was there when Abbe Georges Lemaître first proposed this [Big Bang] theory. ...
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In theory, there is no difference between theory and practice. But, in practice, there is.
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The theory of Communism may be summed up in one sentence: Abolish all private property.
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I studied chord theory and started playing the piano.
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Some batters, and good ones too, scoff at the whole theory of place hitting, calling it a myth. They are wrong, however.
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The proposition that humans have mental characteristics wholly absent in non-humans is inconsistent with the theory of evolution.
