Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.
quote by Louis Pasteur
Submitted by Lucian Velea
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Related quotes
I believe without exception that theory follows practice. Whenever there is a conflict between theory and practice, theory is wrong. As far as I'm concerned, we make theories for what people have done.
quote by David Baker
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In theory, there is no difference between theory and practice; In practice, there is.
quote by Chuck Reid
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In theory, there is no difference between theory and practice In practice, there is.
quote by Chuck Reid
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In theory there is no difference between theory and practice. In practice there is.
quote by Yogi Berra
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In theory, theory and practice are the same. In practice, they are not.
quote by Yogi Berra
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In theory, there is no difference between theory and practice. But, in practice, there is.
quote by Jan L. A. van de Snepscheut
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Men who hold a theory of the Church which excludes from communion those whom they admit to have the Spirit of Christ simply proclaim that their theory is in flat contradiction to the spiritual fact.
quote by Roland Allen
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Indeed, this epistemological theory of the relation between theory and experiment differs sharply from the epistemological theory of naive falsificationism.
quote by Imre Lakatos
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A theory is only as good as its assumptions. If the premises are false, the theory has no real scientific value. The only scientific criterion for judging the validity of a scientific theory is a confrontation with the data of experience.
quote by Maurice Allais
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The theory of evolution is outstandingly the most important theory in biology.
quote by Mark Ridley, 1983
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The basic theory in twistor theory is not to add extra dimensions.
quote by Roger Penrose
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Today the theory of evolution is about as much open to doubt as the theory that the earth goes round the sun.
quote by Richard Dawkins
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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.
quote by Karl Popper
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In the book, I make the point that here we have string theory and here we have twistor theory and we don't know if either one of them is the right approach to nature.
quote by Roger Penrose
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To an intellectual who is adrift in politics, a theory is an aim; to a true politician his theory is a boundary.
quote by Francis Parker Yockey
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They didn't accept me theory - not a theory, but just a thought I had about this character. I noticed that this man only exists when the boy comes into the grocery.
quote by Omar Sharif
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Don't confuse hypothesis and theory. The former is a possible explanation; the latter, the correct one. The establishment of theory is the very purpose of science.
quote by Martin H. Fischer
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The moment a person forms a theory, his imagination sees in every object only the traits which favor that theory.
quote by Thomas Jefferson
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There could be no fairer destiny for any physical theory than that it should point the way to a more comprehensive theory in which it lives on as a limiting case.
quote by Albert Einstein
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Mr. DeMille's theory of sexual difference was that marriage is an artificial state for women. The want to be taken, ruled, raped. That was his theory.
quote by Hedy Lamarr
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