Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a state of… — Karl Popper Copy Share Image
Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying. In return, he owes it to… — Karl Popper Copy Share Image
Aestheticism and radicalism must lead us to jettison reason, and to replace it by a desperate hope for political miracles. This irrational… — Karl Popper Copy Share Image
It is not his possession of knowledge, of irrefutable truth, that makes the man of science, but his persistent and recklessly critical… — Karl Popper Copy Share Image
Man, some modern philosophers tell us, is alienated from his world: he is a stranger and afraid in a world he never… — Karl Popper Copy Share Image
The Conspiracy Theory of Society... [is] a typical result of the secularization of a religious superstition. The belief in the Homeric gods… — Karl Popper Copy Share Image
Why do I think that we, the intellectuals, are able to help? Simply because we, the intellectuals, have done the most terrible… — Karl Popper Copy Share Image
[Great scientists] are men of bold ideas, but highly critical of their own ideas: they try to find whether their ideas are… — Karl Popper Copy Share Image
Understanding a theory has, indeed, much in common with understanding a human personality. We may know or understand a man's system of… — Karl Popper Copy Share Image
The open society is one in which men have learned to be to some extent critical of taboos, and to base decisions… — Karl Popper Copy Share Image
Appealing to his [Einstein's] way of expressing himself in theological terms, I said: If God had wanted to put everything into the… — Karl Popper Copy Share Image
I do not overlook the fact that there are irrationalists who love mankind, and that not all forms of irrationalism engender criminality.… — Karl Popper Copy Share Image
If we wish our civilization to survive we must break with the habit of deference to great men. — Karl Popper Copy Share Image
Do not allow your dreams of a beautiful world to lure you away from the claims of men who suffer here and… — Karl Popper Copy Share Image
You cannot have a rational discussion with a man who prefers shooting you to being convinced by you. — Karl Popper Copy Share Image
Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a state of finality... And… — Karl Popper Copy Share Image
“As indicated by our example, methodological nominalism is nowadays fairly generally accepted in the natural sciences. The problems of the social sciences, on the… — Karl Popper Copy Share Image
Science is perhaps the only human activity in which errors are systematically criticized and, in time, corrected. — Karl Popper Copy Share Image
A system is empirical or scientific only if it is capable of being tested by experience. These considerations suggest that not the verifiability but… — Karl Popper Copy Share Image
Bold ideas, unjustified anticipations, and speculative thought, are our only means for interpreting nature: our only organon, our only instrument, for grasping her. And… — Karl Popper Copy Share Image
[The aim of science is] to explain what so far has taken to be an explicans, such as a law of nature. The task… — Karl Popper Copy Share Image
There can be no ultimate statements science: there can be no statements in science which can not be tested, and therefore none which cannot… — Karl Popper Copy Share Image
Evolution is not a fact. Evolution doesn't even qualify as a theory or as a hypothesis. It is a metaphysical research program, and it… — Karl Popper Copy Share Image
I am opposed to looking upon logic as a kind of game. ... One might think that it is a matter of choice or… — Karl Popper Copy Share Image
The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and of error. — Karl Popper Copy Share Image
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