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“It can’t happen here” is always wrong: a dictatorship can happen anywhere.

Karl Popper

The most we can say of democracy or freedom is that they give our personal abilities a little more influence on our well-being.
KARL POPPER

Ability Democracy Freedom
In philosophy methods are unimportant; any method is legitimate if it leads to results capable of being rationally discussed.
KARL POPPER

Important Philosophy Result
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
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 method of learning by trial and error – of learning from our mistakes – seems to be fundamentally the same whether it is practiced by lower or by higher animals, by chimpanzees, or by men of science.
KARL POPPER

Animal Learning Man Mistakes Ourselves Science
Theology, I still think, is due to a lack of faith.
KARL POPPER

Faith One Liner Thinking
We all have an unscientific weakness for being always in the right, and this weakness seems to be particularly common among professional and amateur politicians.
KARL POPPER

Politics Right Science Weakness
History has no meaning.
KARL POPPER

History One Liner
Science must begin with myths, and with the criticism of myths.
KARL POPPER

Beginning Science
It is wrong to think that belief in freedom always leads to victory; we must always be prepared for it to lead to defeat. If we choose freedom, then we must be prepared to perish along with it.
KARL POPPER

Believe Choice Freedom Lost Philosophy Prepare Thinking Victory Wrong
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
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 must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
KARL POPPER

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

Evidence Science Theory Way
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

“It can’t happen here” is always wrong: a dictatorship can happen anywhere.

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“It can’t happen here” is always wrong: a dictatorship can happen anywhere.

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