Bold ideas, unjustified anticipations, and speculative thought, are our only means for interpreting nature: our only organon, our only instrument, for grasping… — 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
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
Some scientists find, or so it seems, that they get their best ideas when smoking; others by drinking coffee or whisky. Thus… — 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
But some of these theories are so bold that they can clash with reality: they are the testable theories of science. And… — Karl Popper Copy Share Image
It is a myth that the success of science in our time is mainly due to the huge amounts of money that… — Karl Popper Copy Share Image
I don't know whether God exists or not. ... Some forms of atheism are arrogant and ignorant and should be rejected, but… — Karl Popper Copy Share Image
We hate the very idea that our own ideas may be mistaken, so we cling dogmatically to our conjectures. — Karl Popper Copy Share Image
The genuine rationalist does not think that he or anyone else is in possession of the truth; nor does he think that… — Karl Popper Copy Share Image
A rationalist is simply someone for whom it is more important to learn than to be proved right; someone who is willing… — Karl Popper Copy Share Image
The survival value of intelligence is that it allows us to extinct a bad idea, before the idea extincts us. — Karl Popper Copy Share Image
I think that we shall have to get accustomed to the idea that we must not look upon science as a 'body… — 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