Quotes about theory




These are quotes tagged with "theory". You can also search for quotes containing the word theory.

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"There never comes a point where a theory can be said to be true. The most that one can claim for any theory is that it has shared the successes of all its rivals and that it has passed at least one test which they have failed."

Ayer, Sir Alfred Jules on theory    Share


"Theories are always very thin and insubstantial, experience only is tangible."

Ballou, Hosea on theory    Share

"To insure the adoration of a theorem for any length of time, faith is not enough, a police force is needed as well."

Camus, Albert on theory    Share

"The world can doubtless never be well known by theory: practice is absolutely necessary; but surely it is of great use to a young man, before he sets out for that country, full of mazes, windings, and turnings, to have at least a general map of it, made by some experienced traveler."

Chesterfield, Lord on theory    Share

"In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far as it will go."

Diderot, Denis on theory    Share

"It is theory that decides what can be observed."

Einstein, Albert on theory
6 fans of this quote    Share

"A theory is the more impressive the greater is the simplicity of its premises, the more different are the kinds of things it relates and the more extended the range of its applicability."

Einstein, Albert on theory
4 fans of this quote    Share

"No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it to go on beyond."

Gide, Andre on theory    Share

"The wise man regulates his conduct by the theories both of religion and science. But he regards these theories not as statements of ultimate fact but as art-forms."

Haldane, John B. S. on theory    Share

"Theories that go counter to the facts of human nature are foredoomed."

Hamilton, Edith on theory    Share

"Unaware of the absurdity of it, we introduce our own petty household rules into the economy of the universe for which the life of generations, peoples, of entire planets, has no importance in relation to the general development."

Herzen, Alexander on theory    Share

"Even for practical purposes theory generally turns out the most important thing in the end."

Holmes, Oliver Wendell on theory    Share

"The temptation to form premature theories upon insufficient data is the bane of our profession."

Holmes, Sherlock on theory
3 fans of this quote    Share

"A young man is a theory, an old man is a fact."

Howe, Edgar Watson on theory    Share

"A theory is no more like a fact than a photograph is like a person."

Howe, Edgar Watson on theory    Share

"Every theory is a self-fulfilling prophecy that orders experience into the framework it provides."

Hubbard, Ruth on theory    Share

"Everything that explains the world has in fact explained a world that does not exist, a world in which men are at the center of the human enterprise and women are at the margin helping them. Such a world does not exist -- never has."

Lerner, Gerda on theory    Share

"Delight at having understood a very abstract and obscure system leads most people to believe in the truth of what it demonstrates."

Lichtenberg, Georg C. on theory    Share

"Some theories are good for nothing except to be argued about."

Lichtenberg, Georg C. on theory    Share

"Socrates thought and so do I that the wisest theory about the gods is no theory at all."

Montaigne, Michel Eyquem De on theory    Share

"The Theory of Groups is a branch of mathematics in which one does something to something and then compares the result with the result obtained from doing the same thing to something else, or something else to the same thing."

Newman, James on theory    Share

"Theoretical principles must sometimes give way for the sake of practical advantages."

Pitt, William on theory    Share

"Good tests kill flawed theories; we remain alive to guess again."

Popper, Karl on theory    Share

"One must credit an hypothesis with all that has had to be discovered in order to demolish it."

Rostand, Jean on theory    Share

"The scientific theory I like best is that the rings of Saturn are composed entirely of lost airline baggage."

Russell, Mark on theory    Share

"A conception not reducible to the small change of daily experience is like a currency not exchangeable for articles of consumption; it is not a symbol, but a fraud."

Santayana, George on theory    Share

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"Let us work without theorizing, 'Tis the only way to make life endurable."

Voltaire on theory
3 fans of this quote    Share

"There is nothing so practical as a good theory."

Lewin, Kurt on theory    Share

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