Reason like science, grows by way of mutual criticism; the only possible way of planning its growth is to develop those institutions… — Karl Popper Copy Share Image
Science may be described as the art of systematic over-simplification. — Karl Popper Copy Share Image
It is easy to obtain confirmations, or verifications, for nearly every theory-if we look for confirmations. Confirmations should count only if they… — Karl Popper Copy Share Image
My thesis is that what we call 'science' is differentiated from the older myths not by being something distinct from a myth,… — Karl Popper Copy Share Image
“With the idol of certainty (including that of degrees of imperfect certainty or probability) there falls one of the defences of obscurantism… — Karl Popper Copy Share Image
It is not intuitive ease I am after, but rather a point of view which is sufficiently definite to clear up some… — 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 does not rest upon solid bedrock. The bold structure of its theories rises, as it were, above a swamp. It is… — Karl Popper Copy Share Image
In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not… — 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