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Definition of Theory
Theory
A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation.

An exposition of the general or abstract principles of any science; as, the theory of music.

The science, as distinguished from the art; as, the theory and practice of medicine.

The philosophical explanation of phenomena, either physical or moral; as, Lavoisier's theory of combustion; Adam Smith's theory of moral sentiments.

Related Definitions:
Abstract, Adam, An, And, Any, Art, As, Combustion, Contemplation, Distinguished, Doctrine, Either, Explanation, Exposition, From, General, Hypothesis, In, Medicine, Moral, Music, Of, Or, Phenomena, Philosophical, Physical, Practice, Scheme, Science, Smith, Speculation, The, Theory, To, View, Which, Without






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Theory Quotations
If the facts don't fit the theory, change the facts.
Albert Einstein

I have just got a new theory of eternity.
Albert Einstein

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.
Albert Einstein

My theory has always been, that if we are to dream, the flatteries of hope are as cheap, and pleasanter, than the gloom of despair.
Thomas Jefferson

The moment a person forms a theory, his imagination sees in every object only the traits which favor that theory.
Thomas Jefferson

An ounce of action is worth a ton of theory.
Ralph Waldo Emerson

The things that will destroy America are prosperity-at-any-price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life.
Theodore Roosevelt

We must respect the other fellow's religion, but only in the sense and to the extent that we respect his theory that his wife is beautiful and his children smart.
H. L. Mencken

In theory there is no difference between theory and practice. In practice there is.
Yogi Berra

Well, in The Chosen, Danny Saunders, from the heart of his religious reading of the world, encounters an element in the very heart of the secular readings of the world - Freudian psychoanalytic theory.
Chaim Potok



Theory Translations
theory in Dutch is theorie
Theory in German is Theorie
theory in Italian is gamma
theory in Portuguese is teoria
theory in Swedish is teori


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