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I would rather find a single causal law than be the king of Persia!

Karl Popper

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
If you can’t say it simply and clearly, keep quiet, and keep working on it till you can.
KARL POPPER

Quiet Science Simplicity Yourself
Science is most significant as one of the greatest spiritual adventures that man has yet known.
KARL POPPER

Adventure Greatness Man Science Spiritual
The aim of argument, or of discussion, should not be victory but progress.
KARL POPPER

Argument Progress Victory Win
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
It is complete nihilism to propose laying down arms in a world where atom bombs are around. It is very simple: there is no way of achieving peace other than with weapons.
KARL POPPER

Achieve Peace Simplicity Weapon World
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
If we are not prepared to defend a tolerant society against the onslaught of the intolerant, then the tolerant will be destroyed, and tolerance with them.
KARL POPPER

Deep Destroy Oppression Philosophy Prepare Tolerance
All life is problem-solving.
KARL POPPER

Life One Liner Philosophy
Those who promise us paradise on earth never produced anything but hell.
KARL POPPER

Hell Philosophy
We may become the makers of our fate when we have ceased to pose as its prophets.
KARL POPPER

Fate Ourselves Philosophy Success
Our knowledge can only be finite, while our ignorance must necessarily be infinite.
KARL POPPER

Deep Knowledge Necessary Philosophy
We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
KARL POPPER

Law Philosophy Theory
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
It is not the consciousness of man that determines his existence – rather, it is his social existence that determines his consciousness.
KARL POPPER

Existence Man Philosophy Spiritual
The game of science is, in principle, without end.
KARL POPPER

End Game One Liner Principle Science
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
Those who promise us paradise on earth never produced anything but hell.
KARL POPPER

Hell Nature Promise
Theology, I still think, is due to a lack of faith.
KARL POPPER

Faith One Liner Thinking
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
If our civilization is to survive, we must break with the habit of deference to great men.
KARL POPPER

Break Greatness Men Ourselves Survive
We can all participate in the heritage of man. We all can help to preserve it. And we can all make our own modest contribution to it.
KARL POPPER

Help Man Nature Ourselves
The quest for precision is analogous to the quest for certainty, and both should be abandoned.
KARL POPPER

Abandonment Mystery Philosophy
The future depends on ourselves, and we do not depend on any historical necessity.
KARL POPPER

Future History Necessary Ourselves
Science must begin with myths, and with the criticism of myths.
KARL POPPER

Beginning Science
Great men may make great mistakes.
KARL POPPER

Greatness Men Mistake One Liner

I would rather find a single causal law than be the king of Persia!

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I would rather find a single causal law than be the king of Persia!

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