The way of science is paved with discarded theories that were once declared self-evident.
KARL POPPERAll life is problem-solving.
More Karl Popper Quotes
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If our civilization is to survive, we must break with the habit of deference to great men.
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History has no meaning.
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The quest for precision is analogous to the quest for certainty, and both should be abandoned.
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The method of learning by trial and error – of learning from our mistakes – seems to be fundamentally the same whether it is practiced by lower or by higher animals, by chimpanzees, or by men of science.
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It is not the consciousness of man that determines his existence – rather, it is his social existence that determines his consciousness.
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Instead of the greatest happiness for the greatest number, one should demand, more modestly, the least amount of avoidable suffering for all.
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Science is most significant as one of the greatest spiritual adventures that man has yet known.
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“It can’t happen here” is always wrong: a dictatorship can happen anywhere.
KARL POPPER -
The conspiracy theory of society, comes from abandoning God and then asking: “Who is in his place?”
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We must plan for freedom, and not only for security, if for no other reason than only freedom can make security more secure.
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The wise man belongs to all countries, for the home of a great soul is the whole world.
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The future depends on ourselves, and we do not depend on any historical necessity.
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Those who promise us paradise on earth never produced anything but hell.
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We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
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Theology, I still think, is due to a lack of faith.
KARL POPPER