40 famous phrases by Karl Popper

40 famous phrases by Karl Popper

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Karl Popper phrases

Karl Popper phrases (1902-1994), he was a philosopher, sociologist and theorist of Austrian science, who later became a British citizen, considered one of the most influential philosophers of the twentieth century.

Karl Popper quotes

No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.

I can be wrong and you can be right and, with an effort, we can both approach the truth.

That which paradise on earth promises us never produced anything, but hell.

You can become the creators of our destiny, when we have stopped thinking like prophets.

The world is not formed by things, but by processes.

In the name of tolerance, we would have to claim the right not to tolerate intolerant people.

All life is a problem solving.

The reason is not almighty, she is a tenacious worker, grocer, cautious, critical, implacable, eager to listen and discuss, risky.

Science is the only human activity in which mistakes are criticized and corrected.

Anyone unable to speak clearly should keep silent until they can do it.

There is no history of humanity, there are only many stories of all kinds of aspects of human life.

Science must begin with myths and with criticism of myths.

We are social creatures in the most intimate of our being. The idea that one can start anything from scratch, free from the past, or without the intervention of others, could not be more wrong.

Most never establish what is right or wrong, most can also be wrong.

Our knowledge is necessarily finite, while our ignorance is necessarily infinite.

The increase of knowledge depends entirely on the existence of disagreement.

Equality before the law is not a fact but a political demand based on a moral decision. And it is totally independent of the theory - probably false - that all men are born equal.

We have to make plans for freedom, and not just for security, for the sole reason that only freedom can make security safe.

Maybe I am wrong and you are right, maybe with an effort to get closer to the truth.

The awareness that we need the help of others leads to tolerance based on our ignorance: it is the foundation of democracy.

Those who promise us paradise on earth never brought more than hell.

We must be against what has already been thought, against tradition, which cannot be dispensed with, but which cannot be trusted.

There is no alternative to Darwinism. I think there is selection, but not always utilitarian in the sense of survival.

It is impossible to speak in such a way that it cannot be misunderstood.

Whenever a theory appears as the only one possible, taking it at length is a sign that neither the theory nor the problem to be solved has been understood.

Science will always be a search, never a real discovery. It is a journey, never an arrival.

Open society is one in which men have learned to be critical of taboos to some extent, and to base decisions on the authority of their own intelligence.

True ignorance is not the absence of knowledge, but the fact of refusing to acquire them.

Science can be described as the art of systematic simplification.

In essence we are social creatures. The idea that one can start something out of nothing, free from the past or without any debt to others, could not be more wrong.

I don't think there have ever been better societies than Western ones.

For a nation, freedom is more important than wealth, and, in political life, this is an indispensable condition for living at least humanly.

We should only sacrifice ourselves for ideals.

What characterizes the man of science is not the possession of knowledge or irrefutable truths, but the selfless and relentless pursuit of truth.

Marxism died of Marxism.

The history of science, like that of all human ideas, is a story of irresponsible dreams, stubbornness and mistakes. However, science is one of the few human activities - perhaps the only one - in which mistakes are systematically criticized and very often, over time, corrected.

Good evidence kills wrong theories; Let's be alive to start over.

While they differ widely in the various small pieces we know, in our infinite ignorance we are all equal.

You can choose any name for the two types of government. Personally, I called the type of government that can be eliminated without violence "democracy," and the other "tyranny."

... If God had wanted to put all things in the world from the beginning, he would have created a universe without change, without organisms or evolution, and without the man and the experience of the man of change. But it seems that He thought that a living universe with unexpected events is better, even for himself it is more interesting than a dead world.

Famous phrases of psychology