“Science may be described as the art of systematic oversimplification.” — 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
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
A system such as classical mechanics may be 'scientific' to any degree you like; but those who uphold it dogmatically - believing,… — 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
It is the rule which says that the other rules of scientific procedure must be designed in such a way that they… — 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
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 scientific tradition is distinguished from the pre-scientific tradition by having two layers. Like the latter, it passes on its theories; but… — Karl Popper Copy Share Image
The influence (for good or ill) of Plato's work is immeasurable. Western thought, one might say, has been Platonic or anti-Platonic, but… — Karl Popper Copy Share Image
The method of science depends on our attempts to describe the world with simple theories: theories that are complex may become untestable,… — Karl Popper Copy Share Image
Psychologism is, I believe, correct only in so far as it insists upon what may be called 'methodological individualism' as opposed to… — Karl Popper Copy Share Image
There will be well-testable theories, hardly testable theories, and non-testable theories. Those which are non-testable are of no interest to empirical scientists.… — Karl Popper Copy Share Image
“The discovery of instances which confirm a theory means very little if we have not tried, and failed, to discover refutations. For… — Karl Popper Copy Share Image
The initial stage, the act of conceiving or inventing a theory, seems to me neither to call for logical analysis nor to… — Karl Popper Copy Share Image
The history of science is everywhere speculative. It is a marvelous hiatory. It makes you proud to be a human being. — Karl Popper Copy Share Image
Almost everyone... seems to be quite sure that the differences between the methodologies of history and of the natural sciences are vast.… — Karl Popper Copy Share Image
I think that there is only one way to science - or to philosophy, for that matter: to meet a problem, to… — Karl Popper Copy Share Image
Propose theories which can be criticized. Think about possible decisive falsifying experiments-crucial experiments. But do not give up your theories too easily-not,… — 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
“The difficulties connected with my criterion of demarcation (D) are important, but must not be exaggerated. It is vague, since it is… — Karl Popper Copy Share Image
It is clear that everybody interested in science must be interested in world 3 objects. A physical scientist, to start with, may… — Karl Popper Copy Share Image
Science is the century-old endeavour to bring together by means of systematic thought the perceptible phenomena of this world into as thorough-going… — 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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