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

Karl Popper

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

Politics Wrong
Science may be described as the art of systematic oversimplification.
KARL POPPER

Art Science Simplicity
Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.
KARL POPPER

Himself Privilege Responsibility Special Study
If our civilization is to survive, we must break with the habit of deference to great men.
KARL POPPER

Break Greatness Men Ourselves Survive
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
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
No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it
KARL POPPER

Book Deep Learning Moment
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
Our knowledge can only be finite, while our ignorance must necessarily be infinite.
KARL POPPER

Deep Knowledge Necessary Philosophy
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
The quest for precision is analogous to the quest for certainty, and both should be abandoned.
KARL POPPER

Abandonment Mystery Philosophy
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 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

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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