Top Theory Quotes
If the facts don't fit the theory, change the facts.
Albert Einstein
Practical wisdom is only to be learned in the school of experience. Precepts and instruction are useful so far as they go, but, without the discipline of real life, they remain of the nature of theory only.
Samuel Smiles
If the Confederacy fails, there should be written on its tombstone: Died of a Theory.
Jefferson Davis
It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.
Richard P. Feynman
My theory on housework is, if the item doesn't multiply, smell, catch fire, or block the refrigerator door, let it be. No one else cares. Why should you?
Erma Bombeck
Albert Einstein 
Alan Dundes 
John Polkinghorne 
Gregg Easterbrook 
Murray Gell-Mann All Theory Quotes
If diffraction or interference phenomena were to be sought it was therefore necessary, in accordance with the basic principles of wave theory, to select for the test arrangement far smaller decisive dimensions than those employed in corresponding tests with visible light.
Max von Laue 
33% of people like this quote
About seven years later I was given a book about the periodic table of the elements. For the first time I saw the elegance of scientific theory and its predictive power.
Sidney Altman
23% of people like this quote
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
Leonardo da Vinci
23% of people like this quote
Popular Theory Authors
Ralph Waldo EmersonMason CooleyJohann Wolfgang von GoetheSamuel JohnsonAlbert EinsteinThomas JeffersonAmbrose BierceBenjamin DisraeliThomas CarlyleH. L. MenckenGilbert K. ChestertonGeorge SantayanaAldous HuxleyRobert Louis StevensonNapoleon Bonaparte
Edmund BurkeSteven WrightOliver Wendell HolmesVirginia WoolfTheodore RooseveltFranz KafkaWalt WhitmanErma BombeckThomas HuxleyAnthony TrollopeArthur EricksonHedy LamarrKarl MarxSamuel Taylor ColeridgeLudwig Wittgenstein
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