It is part of my thesis that all our knowledge grows only through the correcting of our mistakes. — Karl Popper Copy Share Image
Our knowledge can only be finite, while our ignorance must necessarily be infinite. — 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
Ignorance is not a simple lack of knowledge but an active aversion to knowledge, the refusal to know, issuing from cowardice, pride,… — Karl Popper Copy Share Image
The more we learn about the world, and the deeper our learning, the more conscious, specific, and articulate will be our knowledge… — Karl Popper Copy Share Image
The old scientific ideal of episteme - of absolutely certain, demonstrable knowledge - has proved to be an idol. The demand for… — Karl Popper Copy Share Image
“We can all participate in the heritage of man. We all can help to preserve it. And we can all make our… — 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
The growth of our knowledge is the result of a process closely resembling what Darwin called 'natural selection'; that is, the natural… — Karl Popper Copy Share Image
“The more we learn about the world, and the deeper our learning, the more conscious, specific, and articulate will be our knowledge… — Karl Popper Copy Share Image
“Every time we proceed to explain some conjectural law or theory by a new conjectural theory of a higher degree of universality,… — 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
“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
Science is perhaps the only human activity in which errors are systematically criticized and, in time, corrected. — Karl Popper Copy Share
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
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
[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
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
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
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
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
We have the right not to tolerate the intolerant. We should tolerate even them whenever we can do so without running a great risk;… — Karl Popper Copy Share
“Every time we proceed to explain some conjectural law or theory by a new conjectural theory of a higher degree of universality, we are… — Karl Popper Copy Share
