The future depends on ourselves, and we do not depend on any historical necessity.
KARL POPPERHe 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.
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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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 conspiracy theory of society, comes from abandoning God and then asking: “Who is in his place?”
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In so far as a scientific statement speaks about reality, it must be falsifiable: and in so far as it is not falsifiable, it does not speak about reality.
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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 most we can say of democracy or freedom is that they give our personal abilities a little more influence on our well-being.
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It is complete nihilism to propose laying down arms in a world where atom bombs are around. It is very simple: there is no way of achieving peace other than with weapons.
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We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
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All life is problem-solving.
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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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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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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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We can all participate in the heritage of man. We all can help to preserve it. And we can all make our own modest contribution to it.
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Theology, I still think, is due to a lack of faith.
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And it implies that if we respect truth, we must search for it by persistently searching for our errors: by indefatigable rational criticism, and self-criticism.
KARL POPPER