First, it must be admitted that certain forms of behaviour may be described as more ‘natural’ than other forms; for instance, going naked or eating o… - Karl Popper

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First, it must be admitted that certain forms of behaviour may be described as more ‘natural’ than other forms; for instance, going naked or eating only raw food; and some people think that this in itself justifies the choice of these forms. But in this sense it certainly is not natural to interest oneself in art, or science, or even in arguments in favour of naturalism. The choice of conformity with ‘nature’ as a supreme standard leads ultimately to consequences which few will be prepared to face; it does not lead to a more natural form of civilization, but to beastliness14. The second criticism is more important. The biological naturalist assumes that he can derive his norms from the natural laws which determine the conditions of health, etc., if he does not naïvely believe that we need adopt no norms whatever but simply live according to the ‘laws of nature’. He overlooks the fact that he makes a choice, a decision; that it is possible that some other people cherish certain things more than their health (for instance, the many who have consciously risked their lives for medical research). And he is therefore mistaken if he believes that he has not made a decision, or that he has derived his norms from biological laws.

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About Karl Popper

Sir Karl Raimund Popper (28 July 1902 – 17 September 1994) was an Austrian-British philosopher, academic and social commentator. One of the 20th century's most influential philosophers of science, Popper is known for his rejection of the classical inductivist views on the scientific method in favour of empirical falsification. According to Popper, a theory in the empirical sciences can never be proven, but it can be falsified, meaning that it can (and should) be scrutinised with decisive experiments. Popper was opposed to the classical justificationist account of knowledge, which he replaced with critical rationalism, namely "the first non-justificational philosophy of criticism in the history of philosophy".

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Native Name: Karl Raimund Popper
Alternative Names: Karl Raimund Popper Sir Karl Raimund, Sir Popper Sir Karl Raimund Popper
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Additional quotes by Karl Popper

The fascist appeal to ‘human nature’ is to our passions, to our collectivist mystical needs, to ‘man the unknown’. Adopting Hegel’s words just quoted, this appeal may be called the cunning of the revolt against reason. But the height of this cunning is reached by Hegel in this boldest dialectical twist of his. While paying lip-service to rationalism, while talking more loudly about ‘reason’ than any man before or after him, he ends up in irrationalism; in an apotheosis not only of passion, but of brutal force: ‘It is’, Hegel writes, ‘the absolute interest of Reason that this Moral Whole’ (i.e. the State) ‘should exist; and herein lies the justification and merit of heroes, the founders of States — however cruel they may have been … Such men may treat other great and even sacred interests inconsiderately … But so mighty a form must trample down many an innocent flower; it must crush to pieces many an object on its path.

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. Poland fought for freedom as no other country did. The Czech nation was prepared to fight for its freedom in 1938; it was not lack of courage that sealed its fate. The Hungarian Revolution of 1956 — the work of young people with nothing to lose but their chains — triumphed and then ended in failure. ... Democracy and freedom do not guarantee the millennium. No, we do not choose political freedom because it promises us this or that. We choose it because it makes possible the only dignified form of human coexistence, the only form in which we can be fully responsible for ourselves. Whether we realize its possibilities depends on all kinds of things — and above all on ourselves.

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