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Ignorance is not a simple lack of knowledge but an active aversion to knowledge, the refusal to know, issuing from cowardice, pride, or laziness of mind.

Karl Popper

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Karl Popper
Age: 92 †
Born: 1902
Born: July 28
Died: 1994
Died: September 17
Philosopher
Philosopher Of Science
Sociologist
University Teacher
Writer
Vienna
Austria
Karl Raimund Popper Sir
Karl Raimund
Sir Popper
Sir Karl Raimund Popper
Cowardice
Lack
Active
Ignorance
Pride
Issuing
Knowledge
Aversion
Simple
Refusal
Mind
Laziness

More quotes by Karl Popper

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[To] interpret Parmenides as a Kant before Kant ... this is exactly what we must do.
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There is no history, only histories.
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We have the right not to tolerate the intolerant. We should tolerate even them whenever we can do so without running a great risk but the risk may become so great that we cannot allow ourselves the luxury.
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While differing widely in the various little bits we know, in our infinite ignorance we are all equal.
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[The aim of science is] to explain what so far has taken to be an explicans, such as a law of nature. The task of empirical science constantly renews itself. We may go on forever, proceeding to explanations of a higher and higher universality.
Karl Popper
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No particular theory may ever be regarded as absolutely certain.... No scientific theory is sacrosanct.
Karl Popper
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I remained a socialist for several years, even after my rejection of Marxism and if there could be such a thing as socialism combined with individual liberty, I would be a socialist still. For nothing could be better than living a modest, simple, and free life in an egalitarian society.
Karl Popper
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The more we learn about the world, and the deeper our learning, the more conscious, specific, and articulate will be our knowledge of what we do not know, our knowledge of our ignorance
Karl Popper
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The conspiracy theory of society... comes from abandoning god and then asking: Who is in his place
Karl Popper
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Every genuine test of a theory is an attempt to falsify it, or to refute it.
Karl Popper
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The survival value of intelligence is that it allows us to extinct a bad idea, before the idea extincts us.
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The best thing that can happen to a human being us to find a problem, to fall in love with that problem, and to live trying to solve that problem, unless another problem even more lovable appears.
Karl Popper
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What really makes science grow is new ideas, including false ideas.
Karl Popper
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We do not know. We can only guess.
Karl Popper
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It is part of my thesis that all our knowledge grows only through the correcting of our mistakes.
Karl Popper
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I have insisted that we must be tolerant. But I also believe that this tolerance has its limits. We must not trust those anti-humanitarian religions which not only preach destruction but act accordingly. For if we tolerate them, then we become ourselves responsible for for their deeds.
Karl Popper
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A theory that explains everything, explains nothing
Karl Popper
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Reason like science, grows by way of mutual criticism the only possible way of planning its growth is to develop those institutions that safeguard. the freedom of thought
Karl Popper
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Criticism of my alleged views was widespread and highly successful. I have yet to meet a criticism of my views.
Karl Popper
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A system is empirical or scientific only if it is capable of being tested by experience. These considerations suggest that not the verifiability but the falsifiability of a system is to be taken as a criterion of demarcation... It must be possible for an empirical or scientific system to be refuted by experience.
Karl Popper