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Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.

Karl Popper

“We don’t know anything” and believed that this was the most important philosophical truth.
KARL POPPER

Believe Important Philosophy Truth
“It can’t happen here” is always wrong: a dictatorship can happen anywhere.
KARL POPPER

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

Fate Ourselves Philosophy Success
Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.
KARL POPPER

Himself Privilege Responsibility Special Study
The way of science is paved with discarded theories that were once declared self-evident.
KARL POPPER

Evidence Science Theory Way
Instead of the greatest happiness for the greatest number, one should demand, more modestly, the least amount of avoidable suffering for all.
KARL POPPER

Avoid Demand Greatness Happiness Philosophy Prayer Suffering
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
Always remember that it is impossible to speak in such a way that you cannot be misunderstood: there will always be some who misunderstand you.
KARL POPPER

Impossible Philosophy Remember Speak Yourself
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 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
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
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
We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
KARL POPPER

Law Philosophy Theory
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
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

Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.

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Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.

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