Theory Quotes
2628 Theory quotes by 1622 unique authors
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Theory looks well on paper, but does not amount to anything without practice.
— Josh Billings
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Theory, from whatever source, is not perfect until it is reduced to practice.
— Hosea Ballou
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I try to see each new season as a new challenge because I have a new team to work with, new opponents to encounter, and…
— Mike Krzyzewski
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One of the endlessly alluring aspects of mathematics is that its thorniest paradoxes have a way of blooming into beautiful theories.
— Philip J. Davis
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That's all well and good in practice, but how does it work in theory?
— Unknown Author
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There's two theories to arguing with a woman. Neither one works. Will Rogers The reason that there are so few women comics is that so…
— Unknown Author
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When the province of physical theory was extended to encompass microscopic phenomena through the creation of quantum mechanics, the concept of consciousness came to the…
— Eugene Wigner
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This is, in theory, still a free country, but our politically correct, censorious times are such that many of us tremble to give vent to…
— Simon Heffer
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If someone points out to you that your pet theory of the universe is in disagreement with Maxwell's equations-then so much the worse for Maxwell's…
— Arthur Eddington
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Nothing is known in our profession by guess; and I do not believe, that from the first dawn of medical science to the present moment,…
— Astley Cooper
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Of course, if one ignores contradictory observations, one can claim to have an "elegant" or "robust" theory. But it isn't science.
— Halton Arp
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The importance of group theory was emphasized very recently when some physicists using group theory predicted the existence of a particle that had never been…
— Unknown Author
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[Modern science] passed through a long period of uncertainty and inconclusive experiment, but as the instrumental aids to research improved, and the results of observation…
— Thomas George Bonney
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Students using astrophysical textbooks remain essentially ignorant of even the existence of plasma concepts, despite the fact that some of them have been known for…
— Hannes Alfven
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The supposed astronomical proofs of the theory [of relativity], as cited and claimed by Einstein, do not exist. He is a confusionist. The Einstein theory…
— Charles Lane Poor
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The theory of the lung as a gland has justified its existence and done excellent service in bringing forward facts, which shall survive any theoretical…
— August Krogh
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We lay down a fundamental principle of generalization by abstraction: The existence of analogies between central features of various theories implies the existence of a…
— Unknown Author
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His [Henry Cavendish's] Theory of the Universe seems to have been, that it consisted solely of a multitude of objects which could be weighed, numbered,…
— George Wilson
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I have read various articles on the fourth dimension, the relativity theory of Einstein, and other psychological speculation on the constitution of the universe; and…
— Charles Lane Poor
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The argument advanced by the supporters of the theory of hereditary transmission does not furnish a satisfactory explanation of the cause of the inequalities and…
— Swami Abhedananda
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We have found that where science has progressed the farthest, the mind has but regained from nature that which the mind has put into nature.…
— Arthur Eddington
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Wheeler hopes that we can discover, within the context of physics, a principle that will enable the universe to come into existence "of its own…
— Paul Davies
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Psychoanalytic theory is the most stupendous intellectual confidence trick of the twentieth century and a terminal product as well-something akin to a dinosaur or zeppelin…
— Peter Medawar
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What I most cherish is the observation of the movement of colors. Only in this have I found the laws of those simultaneous and complementary…
— August Macke
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I never read theory. I think that was to my benefit.
— Nan Goldin
Who Wrote These Theory Quotes
1,622 authors contributed a total of 2,628 Theory Quotes, led by these top contributors: