Utility then is not the measure of exchangeable value, although it is absolutely essential to it.
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Chapter I, Section I, On Value, p. 5David Ricardo
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Possessing utility, commodities derive their exchangeable value from two sources: from their scarcity, and from the quantity of labour required to obtain them.
David Ricardo
The Doctrine of Knowledge, apart from all special and definite knowing, proceeds immediately upon Knowledge itself, in the essential unity in which it recognises Knowledge as existing; and it raises this question in the first place — How this Knowledge can come into being, and what it is in its inward and essential Nature?
The following must be apparent: — There is but One who is absolutely by and through himself, — namely, God; and God is not the mere dead conception to which we have thus given utterance, but he is in himself pure Life. He can neither change nor determine himself in aught within himself, nor become any other Being; for his Being contains within it all his Being and all possible Being, and neither within him nor out of him can any new Being arise.Johann Gottlieb Fichte
Not to be absolutely certain is, I think, one of the essential things in rationality.
Bertrand Russell
How many people ruin themselves by laying out money on trinkets of frivolous utility? What pleases these lovers of toys is not so much the utility, as the aptness of the machines which are fitted to promote it. All their pockets are stuffed with little conveniences. They contrive new pockets, unknown in the clothes of other people, in order to carry a greater number. They walk about loaded with a multitude of baubles, in weight and sometimes in value not inferior to an ordinary Jew's-box, some of which may sometimes be of some little use, but all of which might at all times be very well spared, and of which the whole utility is certainly not worth the fatigue of bearing the burden.
Adam Smith
Drugs were absolutely central to that experience, but they weren't essential. I only know that in retrospect. At the time I'm sure I would have said that they were.
William Ford Gibson
Ricardo, David
Rice-Davies, Mandy
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