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The wise man belongs to all countries, for the home of a great soul is the whole world.

Karl Popper

In my view, aiming at simplicity and lucidity is a moral duty of all intellectuals: lack of clarity is a sin, and pretentiousness is a crime.
KARL POPPER

Crime Duty Moral Myself Philosophy Simplicity Sin
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
We may become the makers of our fate when we have ceased to pose as its prophets.
KARL POPPER

Fate Ourselves Philosophy Success
The quest for precision is analogous to the quest for certainty, and both should be abandoned.
KARL POPPER

Abandonment Mystery Philosophy
Science may be described as the art of systematic oversimplification.
KARL POPPER

Art Science Simplicity
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
I hold that he who teaches that not reason but love should rule opens up the way for those who rule by hate.
KARL POPPER

Hate Love Myself Philosophy Teaching
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
I would rather find a single causal law than be the king of Persia!
KARL POPPER

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

Believe Important Philosophy Truth
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
Great men may make great mistakes.
KARL POPPER

Greatness Men Mistake One Liner
The game of science is, in principle, without end.
KARL POPPER

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

Hell Philosophy
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.

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The wise man belongs to all countries, for the home of a great soul is the whole world.

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