[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
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
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
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
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
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
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
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
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
You cannot have a rational discussion with a man who prefers shooting you to being convinced by you. — 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
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
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
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
![“[Great scientists] are men of bold ideas, but highly critical of their own ideas: they try to find whether their ideas are right by trying first to find whether they are not perhaps wrong. They work with bold conjectures and severe attempts at refuting their own conjectures.” quote by Karl Popper](https://sms4smile.com/quotes/img-quotes/eb7/karl-popper-2167_conjecture_great-scientists-are-men-of-bold-ideas-b_1147559.jpg)
![“The Conspiracy Theory of Society... [is] a typical result of the secularization of a religious superstition. The belief in the Homeric gods whose conspiracies explain the history of the Trojan War is gone. The gods are abandoned. But their place is filled by powerful men or groups - sinister…” quote by Karl Popper](https://sms4smile.com/quotes/img-quotes/b44/karl-popper-2167_abandoned_the-conspiracy-theory-of-society-is-a-ty_949385.jpg)
![“Appealing to his [Einstein's] way of expressing himself in theological terms, I said: If God had wanted to put everything into the universe from the beginning, He would have created a universe without change, without organisms and evolution, and without man and man's experience of change. But he…” quote by Karl Popper](https://sms4smile.com/quotes/img-quotes/bde/karl-popper-2167_change_appealing-to-his-einstein-s-way-of-expre_2802094.jpg)
![“[The aim of science is] to explain what so far has taken to be an explicans, such as a law of nature. The task of empirical science constantly renews itself. We may go on forever, proceeding to explanations of a higher and higher universality...” quote by Karl Popper](https://sms4smile.com/quotes/img-quotes/f4e/karl-popper-2167_aim_the-aim-of-science-is-to-explain-what-so_121944.jpg)
