A Quote by Karl Popper

No rational argument will have a rational effect on a man who does not want to adopt a rational attitude. — © Karl Popper
No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.
Happiness is a state of non-contradictory joy . . . Happiness is possible only to a rational man, the man who desires nothing but rational goals, seeks nothing but rational values, and finds his joy in nothing but rational actions.
I want to say, and this is very important: at the end we lucked out. It was luck that prevented nuclear war. We came that close to nuclear war at the end. Rational individuals: Kennedy was rational; Khrushchev was rational; Castro was rational. Rational individuals came that close to total destruction of their societies. And that danger exists today.
The argument for collectivism is simple if false; it is an immediate emotional argument. The argument for individualism is subtle and sophisticated; it is an indirect rational argument. And the emotional faculties are more highly developed in most men than the rational, paradoxically or especially even in those who regard themselves as intellectuals.
It is commonly said that if rational argument is so seldom the cause of conviction, philosophical apologists must largely be wasting their shot. The premise is true, but the conclusion does not follow. For though argument does not create conviction, the lack of it destroys belief. What seems to be proved may not be embraced; but what no one shows the ability to defend is quickly abandoned. Rational argument does not create belief, but it maintains a climate in which belief may flourish.
The three main extra-rational activities in modern life are religion, war, and love. all these are extra-rational, but love is not anti-rational, that is to say, a reasonable man may reasonably rejoice in its existence
Respect for the dignity of others includes treating them as rational creatures capable of being persuadad by rational argument, even in the face of frequent evidence to the contrary.
It's all emotion. But there's nothing wrong with emotion. When we are in love, we are not rational; we are emotional. When we are on vacation, we are not rational; we are emotional. When we are happy, we are not [rational]. In fact, in more cases than not, when we are rational, we're actually unhappy. Emotion is good; passion is good. Being into what we're into, provided that it's a healthy pursuit, it's a good thing.
I wonder who it was defined man as a rational animal. It was the most premature definition ever given. Man is many things, but he is not rational.
The rational is apprehended through the intellect, however, the intellect is not found in the region of the rational; the intellect is as the eye and the rational as the colors.
Raymond Aron ascribes to Weber the view that 'each man's conscience is irrefutable.' ... while [Weber] holds that an agent may be more or less rational in acting consistently with his values, the choice of any one particular evaluative stance or commitment can be no more rational than any other. All faiths and all evaluations are equally non-rational.
If the Humanists wish to be champions of reason, they should consider the following: just as they would not admit mystics into their camp, since no rational discussion is possible with men who substitute supernatural revelations for rational evidence-so they cannot admit advocates of force into their camp, because no rational discussion or agreement is possible with men who substitute guns for rational persuasion.
It is the job of conscious rational thought to decide what you want, select the goals you wish to achieve-and concentrate upon these rather than upon what you do not want. To spend time and effort concentrating upon what you do not want is not rational.
You get your intuition back when you make space for it, when you stop the chattering of the rational mind. The rational mind doesn't nourish you. You assume that it gives you the truth, because the rational mind is the golden calf that this culture worships, but this is not true. Rationality squeezes out much that is rich and juicy and fascinating.
Man is a rational animal—so at least I have been told. … Aristotle, so far as I know, was the first man to proclaim explicitly that man is a rational animal. His reason for this view was … that some people can do sums. … It is in virtue of the intellect that man is a rational animal. The intellect is shown in various ways, but most emphatically by mastery of arithmetic. The Greek system of numerals was very bad, so that the multiplication table was quite difficult, and complicated calculations could only be made by very clever people.
What is faith? If you believe something because you have evidence for it, or rational argument, that is not faith. So faith seems to be believing something despite the absence of evidence or rational argument for it.
Faith is not a rational thing, and yet to understand the universe, rationality alone will not give it to us. Our understanding of the universe must transcend the rational.
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