Theory Quotes
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We have confirmed something we only knew in theory, namely that revolution, in which uncontrolled and uncontrollable forces operate imperiously, is blind and destructive, grandiose and cruel.
Federica Montseny
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The truth of a theory is in your mind, not in your eyes.
Albert Einstein
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When I was in college, I was a semiotics major, which is this hopelessly pretentious body of French literary theory.
Ira Glass
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Essential to the theory of evolution is the premise that everything has come into being by itself.
Walter Lang
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Semiotics is a general theory of all existing languages... all forms of communication - visual, tactile, and so on... There is general semiotics, which is a philosophical approach to this field, and then there are many specific semiotics.
Umberto Eco
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The proposition that humans have mental characteristics wholly absent in non-humans is inconsistent with the theory of evolution.
Gary L. Francione
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I never accepted Communist dogma or theory.
J. Robert Oppenheimer
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When your practice has led you to experiences that you can't understand, you need a better theory. Otherwise, if you try to understand these transcendent experiences with 'profane' or, we might say, 'materialistic' ways of thinking, your cultivation will be set back.
Betty Sue Flowers
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Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve.
Karl Popper
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An ounce of action is worth a ton of theory.
Ralph Waldo Emerson
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Classic economic theory, based as it is on an inadequate theory of human motivation, could be revolutionized by accepting the reality of higher human needs, including the impulse to self actualization and the love for the highest values.
Abraham Maslow
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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.
S. Jay Olshansky