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Definition of Theory

Theory

  1. A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation.
  2. An exposition of the general or abstract principles of any science; as, the theory of music.
  3. The science, as distinguished from the art; as, the theory and practice of medicine.
  4. The philosophical explanation of phenomena, either physical or moral; as, Lavoisier's theory of combustion; Adam Smith's theory of moral sentiments.

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

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

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

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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