An aphorism is nothing else but the slightest
form of writing raised to the highest level of expressive communication. Carl William Brown





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.


Alfred Jules Ayer (1910-1989, British philosopher)


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.


Alfred Jules Ayer (1910-1989, British philosopher)


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


Hosea Ballou (1771-1852, American theologian, founder of "Universalism")


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


Albert Camus (1913-1960, French existential writer)


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


William Pitt Chatham (1708 -1778, British statesman)


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.


Philip Dormer Stanhope Chesterfield (1694-1773, British statesman, author)


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


Denis Diderot (1713-1784, French philosopher)


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.


Albert Einstein (1879-1955, German-born American physicist)


Creating a new theory is not like destroying an old barn and erecting a skyscraper in its place. It is rather like climbing a mountain, gaining new and wider views, discovering unexpected connections between our starting points and its rich environment. B


Albert Einstein (1879-1955, German-born American physicist)


It is theory that decides what can be observed.


Albert Einstein (1879-1955, German-born American physicist)


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


Sherlock Holmes (Fictional detective, created by Sir Conan Doyle)


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.


Andre Gide (1869-1951, French author)


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.


John B. S. Haldane (1892-1964, British scientist, author)


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


Edith Hamilton (1867-1963, American classical scholar, translator)


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.


Alexander Herzen (1812-1870, Russian journalist, political thinker)


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


Oliver Wendell Holmes (1809-1894, American author, wit, poet)


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


Edgar Watson Howe (1853-1937, American journalist, author)


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


Ruth Hubbard (1924-, American biologist)


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


Michel Eyquem De Montaigne (1533-1592, French philosopher, essayist)


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.


Gerda Lerner (1920-, American educator, author)


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


Georg C. Lichtenberg (1742-1799, German physicist, satirist)


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


Georg C. Lichtenberg (1742-1799, German physicist, satirist)


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.


James Newman


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


Karl Popper (1902-1994, Australian philosopher)


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


Jean Rostand (1894-1977, French biologist, writer)


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


Mark Russell


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.


George Santayana (1863-1952, American philosopher, poet)


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


Francois-Marie Arouet de Voltaire (1694-1778, French historian, writer)


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