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" In a passage of the third volume of Capital7, Marx very aptly describes the material side of social life, and especially its economic side, that of production and consumption, as an extension of human metabolism, i.e. of man’s exchange of matter with nature. He clearly states that our freedom must always be limited by the necessities of this metabolism. All that can be achieved in the direction of making us more free, he says, is ‘to conduct this metabolism rationally, … with a minimum expenditure of energy and under conditions most dignified and adequate to human nature. Yet it will still remain the kingdom of necessity. Only outside and beyond it can that development of human faculties begin which constitutes an end in itself—the true kingdom of freedom. But this can flourish only on the ground occupied by the kingdom of necessity, which remains its basis …’ Immediately before this, Marx says: ‘The kingdom of freedom actually begins only where drudgery, enforced by hardship and by external purposes, ends; it thus lies, quite naturally, beyond the sphere of proper material production.’ And he ends the whole passage by drawing a practical conclusion which clearly shows that it was his sole aim to open the way into that non-materialist kingdom of freedom for all men alike: ‘The shortening of the labour day is the fundamental pre-requisite.’ In my opinion this passage leaves no doubt regarding what I have called the dualism of Marx’s practical view of life. With Hegel he thinks that freedom is the aim of historical development. With Hegel he identifies the realm of freedom with that of man’s mental life. But he recognizes that we are not purely spiritual beings; that we are not fully free, nor capable of ever achieving full freedom, unable as we shall always be to emancipate ourselves entirely from the necessities of our metabolism, and thus from productive toil. All we can achieve is to improve upon the exhausting and undignified conditions of labour, to make them more worthy of man, to equalize them, and to reduce drudgery to such an extent that all of us can be free for some part of our lives. This, I believe, is the central idea of Marx’s ‘view of life’; central also in so far as it seems to me to be the most influential of his doctrines. "

Karl Popper , The Open Society and Its Enemies


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Karl Popper quote : In a passage of the third volume of Capital7, Marx very aptly describes the material side of social life, and especially its economic side, that of production and consumption, as an extension of human metabolism, i.e. of man’s exchange of matter with nature. He clearly states that our freedom must always be limited by the necessities of this metabolism. All that can be achieved in the direction of making us more free, he says, is ‘to conduct this metabolism rationally, … with a minimum expenditure of energy and under conditions most dignified and adequate to human nature. Yet it will still remain the kingdom of necessity. Only outside and beyond it can that development of human faculties begin which constitutes an end in itself—the true kingdom of freedom. But this can flourish only on the ground occupied by the kingdom of necessity, which remains its basis …’ Immediately before this, Marx says: ‘The kingdom of freedom actually begins only where drudgery, enforced by hardship and by external purposes, ends; it thus lies, quite naturally, beyond the sphere of proper material production.’ And he ends the whole passage by drawing a practical conclusion which clearly shows that it was his sole aim to open the way into that non-materialist kingdom of freedom for all men alike: ‘The shortening of the labour day is the fundamental pre-requisite.’ In my opinion this passage leaves no doubt regarding what I have called the dualism of Marx’s practical view of life. With Hegel he thinks that freedom is the aim of historical development. With Hegel he identifies the realm of freedom with that of man’s mental life. But he recognizes that we are not purely spiritual beings; that we are not fully free, nor capable of ever achieving full freedom, unable as we shall always be to emancipate ourselves entirely from the necessities of our metabolism, and thus from productive toil. All we can achieve is to improve upon the exhausting and undignified conditions of labour, to make them more worthy of man, to equalize them, and to reduce drudgery to such an extent that all of us can be free for some part of our lives. This, I believe, is the central idea of Marx’s ‘view of life’; central also in so far as it seems to me to be the most influential of his doctrines.