The way of science is paved with discarded theories that were once declared self-evident.
KARL POPPERTheories 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.
More Karl Popper Quotes
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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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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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We may become the makers of our fate when we have ceased to pose as its prophets.
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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.
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If you can’t say it simply and clearly, keep quiet, and keep working on it till you can.
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Those who promise us paradise on earth never produced anything but hell.
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All life is problem-solving.
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Science must begin with myths, and with the criticism of myths.
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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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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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Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.
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Great men may make great mistakes.
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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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History has no meaning.
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A theory that explains everything, explains nothing.
KARL POPPER






