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All Karl Popper Quotes
Our knowledge can only be finite, while our ignorance must necessarily be infinite.
Karl Popper

64% of people like this quote
Those who promise us paradise on earth never produced anything but a hell.
Karl Popper

62% of people like this quote
No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.
Karl Popper

60% of people like this quote
It is impossible to speak in such a way that you cannot be misunderstood.
Karl Popper

58% of people like this quote
Science must begin with myths, and with the criticism of myths.
Karl Popper

58% of people like this quote
Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology.
Karl Popper

57% of people like this quote
Good tests kill flawed theories; we remain alive to guess again.
Karl Popper

56% of people like this quote
We have become makers of our fate when we have ceased to pose as its prophets.
Karl Popper

53% of people like this quote
There is no history of mankind, there are only many histories of all kinds of aspects of human life. And one of these is the history of political power. This is elevated into the history of the world.
Karl Popper

52% of people like this quote
We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure.
Karl Popper

52% of people like this quote
Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve.
Karl Popper

51% of people like this quote
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 Popper

48% of people like this quote
Science may be described as the art of systematic over-simplification.
Karl Popper

44% of people like this quote
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