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Karl Popper Quotes about Attitude

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

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

Karl Popper
Attitude, Men, Doe
Karl Popper (2012). “The Open Society and its Enemies”, p.503, Routledge

We do not know anything - this is the first. Therefore, we should be very modest - this is the second. Not to claim that we do know when we do not - this is the third. That's the kind of attitude I'd like to popularize. There is little hope for success.

Karl Popper
Attitude, Littles, Firsts

Rationalism is an attitude of readiness to listen to contrary arguments and to learn from experience... of admitting that "I may be wrong and you may be right and, by an effort, we may get nearer the truth."

Karl Popper
Attitude, Effort, Admitting

Aestheticism and radicalism must lead us to jettison reason, and to replace it by a desperate hope for political miracles. This irrational attitude which springs from intoxication with dreams of a beautiful world is what I call Romanticism. It may seek its heavenly city in the past or in the future; it may preach 'back to nature' or 'forward to a world of love and beauty'; but its appeal is always to our emotions rather than to reason. Even with the best intentions of making heaven on earth it only succeeds in making it a hell - that hell which man alone prepares for his fellow-men.

Karl Popper
Beautiful, Dream, Attitude
Karl Raimund Popper (1950). “The Open Society and Its Enemies”

The scientific tradition is distinguished from the pre-scientific tradition by having two layers. Like the latter, it passes on its theories; but it also passes on a critical attitude towards them.

Karl Popper
Attitude, Science, Two
Karl Popper (2014). “Conjectures and Refutations: The Growth of Scientific Knowledge”, p.87, Routledge

A system such as classical mechanics may be 'scientific' to any degree you like; but those who uphold it dogmatically - believing, perhaps, that it is their business to defend such a successful system against criticism as long as it is not conclusively disproved - are adopting the very reverse of that critical attitude which in my view is the proper one for the scientist.

Karl Popper
Attitude, Believe, Successful
Karl Popper (2005). “The Logic of Scientific Discovery”, p.28, Routledge

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