The way of science is paved with discarded theories that were once declared self-evident.
KARL POPPERThe 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.
More Karl Popper Quotes
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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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If our civilization is to survive, we must break with the habit of deference to great men.
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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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True ignorance is not the absence of knowledge, but the refusal to acquire it.
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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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Those who promise us paradise on earth never produced anything but hell.
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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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I would rather find a single causal law than be the king of Persia!
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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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Science may be described as the art of systematic oversimplification.
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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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Theology, I still think, is due to a lack of faith.
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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.
KARL POPPER -
It is not the consciousness of man that determines his existence – rather, it is his social existence that determines his consciousness.
KARL POPPER -
Those who promise us paradise on earth never produced anything but hell.
KARL POPPER