Karl Popper
Karl Popper
Sir Karl Raimund Popper CH FBA FRSwas an Austrian-British philosopher and professor. He is generally regarded as one of the greatest philosophers of science of the 20th century...
NationalityAustrian
ProfessionPhilosopher
Date of Birth28 July 1902
CountryAustria
may theory certain
No particular theory may ever be regarded as absolutely certain.... No scientific theory is sacrosanct...
tests genuine theory
Every genuine test of a theory is an attempt to falsify it, or to refute it.
art improvement theory
Contrary to the outstanding work of art, outstanding theory is susceptible to improvements.
theory myth scientific-theory
Historically speaking all - or very nearly all - scientific theories originate from myths.
tests alive theory
Good tests kill flawed theories; we remain alive to guess again.
religion atheism theory
A theory is just a mathematical model to describe the observations.
asking conspiracy theory
The conspiracy theory of society... comes from abandoning god and then asking: "Who is in his place"
science theory falsity
All we can do is search for the falsity content in our best theory.
theory
A theory that explains everything, explains nothing
facts different theory
I have spoken to Einstein and he admitted to me that his theory was in fact no different from the one of Parmenides.
theory observation pure
There is no pure, disinterested, theory-free observation,
libertarian problem theory
Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor the problem which it was intended to solve.
birth critical free fully magical powers recovered sets shock submission transition tribal
Our civilization...has not yet fully recovered from the shock of its birth - the transition from the tribal or 'closed society', with its submission to magical forces, to the 'open society' which sets free the critical powers of man.
mean past doe
The metaphysical doctrine of determinism simply asserts that all events in this world are fixed, or unalterable, or predetermined. It does not assert that they are known to anybody, or predictable by scientific means. But it asserts that the future is as little changeable as is the past. Everybody knows what we mean when we say that the past cannot be changed. It is in precisely the same sense that the future cannot be changed, according to metaphysical determinism.