Criticism of my alleged views was widespread and highly successful. I have yet to meet a criticism of my views. — Karl Popper Copy Share Image
Thus science must begin with myths, and with the criticism of myths; neither with the collection of observations, nor with the invention… — Karl Popper Copy Share Image
Serious rational criticism is so rare that it should be encouraged. Being too ready to defend oneself is more dangerous than being… — 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 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 true Enlightenment thinker, the true rationalist, never wants to talk anyone into anything. No, he does not even want to convince;… — 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
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
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
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
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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