There is no body of theory or significant body of relevant information, beyond the comprehension of the layman, which makes policy immune from criticism.
Noam ChomskyHe 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 VinciDemocracy is the theory that the common people know what they want, and deserve to get it good and hard.
H. L. MenckenIt has yet to be proven that intelligence has any survival value.
Arthur C. ClarkeCreationists make it sound as though a ‚theory‘ is something you dreamt up after being drunk all night.
Isaac AsimovI never accepted Communist dogma or theory.
J. Robert OppenheimerIt’s perfectly obvious that there is some genetic factor that distinguishes humans from other animals and that it is language-specific. The theory of that genetic component, whatever it turns out to be, is what is called universal grammar.
Noam ChomskyIt 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. FeynmanIf the experiments which I urge be defective, it cannot be difficult to show the defects; but if valid, then by proving the theory, they must render all objections invalid.
Isaac NewtonIn theory there is a possibility of perfect happiness: To believe in the indestructible element within one, and not to strive towards it.
Franz KafkaI have just got a new theory of eternity.
Albert EinsteinThe moment a person forms a theory, his imagination sees in every object only the traits which favor that theory.
Thomas JeffersonI have a theory about the human mind. A brain is a lot like a computer. It will only take so many facts, and then it will go on overload and blow up.
Erma BombeckThought and theory must precede all salutary action; yet action is nobler in itself than either thought or theory.
Virginia WoolfMy theory of evolution is that Darwin was adopted.
Steven WrightLet your religion be less of a theory and more of a love affair.
Gilbert K. ChestertonThe dominant theory coming out of Hollywood is that peoples‘ attention spans are getting shorter and shorter and they need more stimulation.
Brian EnoI have a theory that the truth is never told during the nine-to-five hours.
Hunter S. ThompsonRelationships are like traffic lights. And I just have this theory that I can only exist in a relationship if it’s a green light.
Taylor SwiftReligion is essentially the art and the theory of the remaking of man. Man is not a finished creation.
Edmund BurkeIs evolution a theory, a system, or an hypothesis? It is much more: it is a general condition to which all theories, all hypotheses, all systems must bow and which they must satisfy henceforward if they are to be thinkable and true.
Pierre Teilhard de ChardinMy theory is 98 percent of all human endeavor is killing time.
Jerry SeinfeldAll theory, dear friend, is gray, but the golden tree of life springs ever green.
Johann Wolfgang von GoetheAn ounce of action is worth a ton of theory.
Ralph Waldo EmersonThe theory seems to be that as long as a man is a failure he is one of God’s children, but that as soon as he succeeds he is taken over by the Devil.
H. L. MenckenEvolution was far more thrilling to me than the biblical account. Who would not rather be a rising ape than a falling angel? To my juvenile eyes, Darwin was proved true every day. It doesn’t take much to make us flip back into monkeys again.
Terry PratchettA professor must have a theory as a dog must have fleas.
H. L. MenckenMy 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 BombeckThe theory of Communism may be summed up in one sentence: Abolish all private property.
Karl MarxScientific views end in awe and mystery, lost at the edge in uncertainty, but they appear to be so deep and so impressive that the theory that it is all arranged as a stage for God to watch man’s struggle for good and evil seems inadequate.
Richard P. FeynmanRead no history: nothing but biography, for that is life without theory.
Benjamin DisraeliThe situation in the sciences is this: A concept or an idea which cannot be measured or cannot be referred directly to experiment may or may not be useful. It need not exist in a theory.
Richard P. FeynmanEveryone knows nowadays that people ‚have complexes‘. What is not so well known, though far more important theoretically, is that complexes can have us.
Carl JungAll theory is against freedom of the will; all experience for it.
Samuel JohnsonExperience without theory is blind, but theory without experience is mere intellectual play.
Immanuel KantMy 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 JeffersonThere is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened.
Douglas AdamsTime travel used to be thought of as just science fiction, but Einstein’s general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.
Stephen Hawking