It is certainly not the least charm of a theory that it is refutable; it is precisely thereby that it attracts the more subtle minds. It seems that the hundred-times-refuted theory of the "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it.
Friedrich NietzscheIn theory, there is no difference between theory and practice. But in practice, there is.
Benjamin BrewsterMots clés humor theory misattributed-to-einstein 1882 misattributed-to-yogi-berra quote-investigator
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[According to 1348 theorists, poisoning of Christian water by Jews was the cause of Black Death.]
Even the poison used to contaminate the Christian water supply was described in meticulous detail. It was "about the size of an egg," except when it was the "size of a nut" or a "large nut," "a fist" or "two fists"- and it came packaged in "a leather pouch," except when it was packaged in "linen cloth," "a rag," or a "paper coronet"; and the poison was variously made from lizards, frogs, and spiders- when it was not made from the hearts of Christians and from Holy Communion wafers.
Mots clés theory plague communion-wafers
I pass with relief from the tossing sea of Cause and Theory to the firm ground of Result and Fact.
Winston S. ChurchillMots clés fact sea theory causation relief results
Before I got married I had six theories about raising children; now, I have six children and no theories.
John WilmotMots clés children marriage theory parenting aging fatherhood
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Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve.
Karl PopperMots clés wisdom science idealism theory maturity pragmatism dogmatism
It is at work everywhere, functioning smoothly at times, at other times in fits and starts. It breathes, it heats, it eats. It shits and fucks. What a mistake to have ever said the id.
Gilles DeleuzeMots clés theory
It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
Arthur Conan DoyleMots clés theories mistake theory information data deduction
The essence of science is that it is always willing to abandon a given idea for a better one; the essence of theology is that it holds its truths to be eternal and immutable.
H.L. MenckenMots clés science truth religion theory
Very simple was my explanation, and plausible enough---as most wrong theories are!
H.G. WellsMots clés theory
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