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He who decides one day that scientific statements do not call for any further test and that they can be regarded as finally verified retires from the game.

Karl Popper

No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.
KARL POPPER

Argument Man Philosophy Science
The conspiracy theory of society, comes from abandoning God and then asking: “Who is in his place?”
KARL POPPER

Abandonment God Himself Place Spiritual Theory
We must plan for freedom, and not only for security, if for no other reason than only freedom can make security more secure.
KARL POPPER

Freedom Philosophy Reason Security
True ignorance is not the absence of knowledge, but the refusal to acquire it.
KARL POPPER

Knowledge Philosophy True
Science may be described as the art of systematic oversimplification.
KARL POPPER

Art Science Simplicity
The aim of argument, or of discussion, should not be victory but progress.
KARL POPPER

Argument Progress Victory Win
While differing widely in the various little bits we know, in our infinite ignorance we are all equal.
KARL POPPER

Deep Difference Equality Ourselves Philosophy
History has no meaning.
KARL POPPER

History One Liner
Theories are nets cast to catch what we call ‘the world’: to rationalize, to explain, and to master it. We endeavor to make the mesh ever finer and finer.
KARL POPPER

Fine Perfection Theory World
The simple truth is that truth is hard to come by, and that once found may easily be lost again.
KARL POPPER

Easy Hard Lost Philosophy Simplicity Truth
Those who promise us paradise on earth never produced anything but hell.
KARL POPPER

Hell Nature Promise
In so far as a scientific statement speaks about reality, it must be falsifiable: and in so far as it is not falsifiable, it does not speak about reality.
KARL POPPER

Philosophy Reality Science Speak
The way of science is paved with discarded theories that were once declared self-evident.
KARL POPPER

Evidence Science Theory Way
Science must begin with myths, and with the criticism of myths.
KARL POPPER

Beginning Science
And it implies that if we respect truth, we must search for it by persistently searching for our errors: by indefatigable rational criticism, and self-criticism.
KARL POPPER

Philosophy Respect Search Truth
The wise man belongs to all countries, for the home of a great soul is the whole world.
KARL POPPER

Greatness Home Man Philosophy Soul Spiritual Wisdom World

He who decides one day that scientific statements do not call for any further test and that they can be regarded as finally verified retires from the game.

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He who decides one day that scientific statements do not call for any further test and that they can be regarded as finally verified retires from the game.

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