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Our knowledge can only be finite, while our ignorance must necessarily be infinite.

Karl Popper

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

Evidence Science Theory Way
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
What we need and what we want is to moralize politics, not to politicize morals.
KARL POPPER

Deep Moral Need Politics
True ignorance is not the absence of knowledge, but the refusal to acquire it.
KARL POPPER

Knowledge Philosophy True
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
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
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
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
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
Science must begin with myths, and with the criticism of myths.
KARL POPPER

Beginning 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
The aim of argument, or of discussion, should not be victory but progress.
KARL POPPER

Argument Progress Victory Win
Great men may make great mistakes.
KARL POPPER

Greatness Men Mistake One Liner
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

Our knowledge can only be finite, while our ignorance must necessarily be infinite.

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Our knowledge can only be finite, while our ignorance must necessarily be infinite.

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