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.
KARL POPPERInstead of the greatest happiness for the greatest number, one should demand, more modestly, the least amount of avoidable suffering for all.
More Karl Popper Quotes
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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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History has no meaning.
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Science must begin with myths, and with the criticism of myths.
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Those who promise us paradise on earth never produced anything but hell.
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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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The wise man belongs to all countries, for the home of a great soul is the whole world.
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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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Always remember that it is impossible to speak in such a way that you cannot be misunderstood: there will always be some who misunderstand you.
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We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
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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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True ignorance is not the absence of knowledge, but the refusal to acquire it.
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The aim of argument, or of discussion, should not be victory but progress.
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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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A theory that explains everything, explains nothing.
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No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.
KARL POPPER