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If you can’t say it simply and clearly, keep quiet, and keep working on it till you can.

Karl Popper

The essential feature of dualist-interactionism is that the mind and brain are independent entities and that they interact by quantum physics.
KARL POPPER

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

Believe Important Philosophy Truth
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
Science must begin with myths, and with the criticism of myths.
KARL POPPER

Beginning Science
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
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
Theology, I still think, is due to a lack of faith.
KARL POPPER

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

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

Politics Wrong
Great men may make great mistakes.
KARL POPPER

Greatness Men Mistake One Liner

If you can’t say it simply and clearly, keep quiet, and keep working on it till you can.

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If you can’t say it simply and clearly, keep quiet, and keep working on it till you can.

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