Our knowledge can only be finite, while our ignorance must necessarily be infinite.
KARL POPPERThose who promise us paradise on earth never produced anything but hell.
More Karl Popper Quotes
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He who decides one day that scientific statements do not call for any further test and that they can be regarded as finally verified retires from the game.
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It is wrong to think that belief in freedom always leads to victory; we must always be prepared for it to lead to defeat. If we choose freedom, then we must be prepared to perish along with it.
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In philosophy methods are unimportant; any method is legitimate if it leads to results capable of being rationally discussed.
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The essential feature of dualist-interactionism is that the mind and brain are independent entities and that they interact by quantum physics.
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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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Those who promise us paradise on earth never produced anything but hell.
KARL POPPER -
The quest for precision is analogous to the quest for certainty, and both should be abandoned.
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The future depends on ourselves, and we do not depend on any historical necessity.
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The game of science is, in principle, without end.
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Great men may make great mistakes.
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We all have an unscientific weakness for being always in the right, and this weakness seems to be particularly common among professional and amateur politicians.
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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 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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Science must begin with myths, and with the criticism of myths.
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A theory that explains everything, explains nothing.
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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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We may become the makers of our fate when we have ceased to pose as its prophets.
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In my view, aiming at simplicity and lucidity is a moral duty of all intellectuals: lack of clarity is a sin, and pretentiousness is a crime.
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Theories are nets cast to catch what we call ‘the world’: to rationalize, to explain, and to master it. We endeavor to make the mesh ever finer and finer.
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True ignorance is not the absence of knowledge, but the refusal to acquire it.
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Science is most significant as one of the greatest spiritual adventures that man has yet known.
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No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it
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The simple truth is that truth is hard to come by, and that once found may easily be lost again.
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Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.
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I hold that he who teaches that not reason but love should rule opens up the way for those who rule by hate.
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All life is problem-solving.
KARL POPPER