"But some of these theories are so bold……" — Karl Popper
"But some of these theories are so bold that they can clash with reality: they are the testable theories of science. And when they clash, then we know that there is a reality; something that can inform us that our ideas are mistaken."
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Karl Popper
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119 Quotes by Karl Popper
Karl Popper has 119 quotes on this site.
A few more worth reading:
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Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a…
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I think that we shall have to get accustomed to the idea that we must not look upon science as…
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It is a myth that the success of science in our time is mainly due to the huge amounts of…
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The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and…
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Good tests kill flawed theories; we remain alive to guess again.
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It is not his possession of knowledge, of irrefutable truth, that makes the man of science, but his persistent and…
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The growth of our knowledge is the result of a process closely resembling what Darwin called 'natural selection'; that is,…
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Science does not rest upon solid bedrock. The bold structure of its theories rises, as it were, above a swamp.…
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The scientific tradition is distinguished from the pre-scientific tradition by having two layers. Like the latter, it passes on its…
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Thus science must begin with myths, and with the criticism of myths; neither with the collection of observations, nor with…
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In point of fact, no conclusive disproof of a theory can ever be produced; for it is always possible to…
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It is easy to obtain confirmations, or verifications, for nearly every theory-if we look for confirmations. Confirmations should count only…
See all 119 quotes by Karl Popper »
More Bold Quotes
This quote is filed under Bold Quotes,
one of 727 quotes in that category. Here are a few more:
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Why, I'd like nothing better than to achieve some bold adventure, worthy of our trip.
— Aristophanes
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Nature is more like a seesaw than a crystal, a never-ending conga line of bold moves and corrections.
— Diane Ackerman
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We need a strong, bold constitutional conservative who won't back down and who will fight for the values we believe…
— Michele Bachmann
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A sudden bold and unexpected question doth many times surprise a man and lay him open.
— Francis Bacon
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In choosing Paul Ryan, Mitt Romney made a fantastic choice and a bold statement to the American people.
— Bob Beauprez
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I like bold colors but usually wear black.
— Mayim Bialik
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Be bold and boast, just like the cock beside the hen.
— Aeschylus
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I don't understand a way to work other than bold-facedly running towards failure.
— Cate Blanchett
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'My Life' is soft, with notes of pear and gardenia, but still bold, with a woody base.
— Mary J. Blige
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If we would guide by the light of reason we must let our minds be bold.
— Louis D. Brandeis
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When a work lifts your spirits and inspires bold and noble thoughts in you, do not look for any other…
— Jean de la Bruyere
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Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't…
— Alan Alda
See all 727 Bold Quotes »