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

Karl Popper

I would rather find a single causal law than be the king of Persia!
KARL POPPER

Law Myself
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
The game of science is, in principle, without end.
KARL POPPER

End Game One Liner Principle Science
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
The wise man belongs to all countries, for the home of a great soul is the whole world.
KARL POPPER

Greatness Home Man Philosophy Soul Spiritual Wisdom World
Great men may make great mistakes.
KARL POPPER

Greatness Men Mistake One Liner
We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.
KARL POPPER

Law Philosophy Theory
If our civilization is to survive, we must break with the habit of deference to great men.
KARL POPPER

Break Greatness Men Ourselves Survive
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 must plan for freedom, and not only for security, if for no other reason than only freedom can make security more secure.
KARL POPPER

Freedom Philosophy Reason Security
True ignorance is not the absence of knowledge, but the refusal to acquire it.
KARL POPPER

Knowledge Philosophy True
Our knowledge can only be finite, while our ignorance must necessarily be infinite.
KARL POPPER

Deep Knowledge Necessary Philosophy
While differing widely in the various little bits we know, in our infinite ignorance we are all equal.
KARL POPPER

Deep Difference Equality Ourselves Philosophy
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 aim of argument, or of discussion, should not be victory but progress.
KARL POPPER

Argument Progress Victory Win
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

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

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

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