List of Karl Popper Quotes

We have put together a list of some of the best Quotes that Written by Karl Popper

Karl Popper
Total Quotes 172
Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement. . . .
Truth Principles Logical
It is not intuitive ease i am after, but rather a point of view which is sufficiently definite to clear up some difficulties, and to be criticized in rational terms. (bohr's complementarity cannot be so criticized, i fear; it can only be accepted or denounced - perhaps as being ad hoc, or as being irrational, or as being hopelessly vague.)
Science Views Ease
But it is certainly not possible to insist on one hand that the formalism is complete and to insist on the other hand that its application to 'the actual' actually demands a step which cannot be derived from it.
Science Hands Demand
Almost everyone... seems to be quite sure that the differences between the methodologies of history and of the natural sciences are vast. for, we are assured, it is well known that in the natural sciences we start from observation and proceed by induction to theory. and is it not obvious that in history we proceed very differently? yes, i agree that we proceed very differently. but we do so in the natural sciences as well.
Science Differences Well Known
To give a causal explanation of an event means to deduce a statement which describes it, using as premises of the deduction one or more universal laws, together with certain singular statements, the initial conditions ... we have thus two different kinds of statement, both of which are necessary ingredients of a complete causal explanation.
Mean Science Law
[the aim of science is] to explain what so far has taken to be an explicans, such as a law of nature. the task of empirical science constantly renews itself. we may go on forever, proceeding to explanations of a higher and higher universality.
Taken Science Law
It must be possible for an empirical system to be refuted by experience.
Experience
With regards to political enemies plato had a kill-and-banish principle. ... in interpreting it , modern-day platonists are clearly disturbed by it, even as they make elaborate attempts to defend plato.
Plato Political Enemy
A system such as classical mechanics may be 'scientific' to any degree you like; but those who uphold it dogmatically - believing, perhaps, that it is their business to defend such a successful system against criticism as long as it is not conclusively disproved - are adopting the very reverse of that critical attitude which in my view is the proper one for the scientist.
Attitude Believe Successful
But some of these theories are so bold that they can clash with reality: they are the testable theories of science. and when they clash, then we know that there is a reality; something that can inform us that our ideas are mistaken.
Science Reality Ideas
The history of science is everywhere speculative. it is a marvelous hiatory. it makes you proud to be a human being.
Science Proud Humans
The method of science depends on our attempts to describe the world with simple theories: theories that are complex may become untestable, even if they happen to be true. science may be described as the art of systematic over-simplification-the art of discerning what we may with advantage omit.
Art Science Simple
  • Born: July 28, 1902
  • Died: September 17, 1994
  • Occupation: Philosopher
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