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1 " A use-value, or useful article, therefore, has value only because abstract human labour is objectified or materialized in it. How, then, is the magnitude of value to be measured? By means of the quantity of the " value-forming substance" , the labour, contained in the article. This quantity is measured by its duration, and the labour-time is itself measured on the particular scale of hours, days etc. "
2 " A use-value, or useful article, therefore, has value only because abstract human labour is objectified or materialized in it. How, then, is the magnitude of this value to be measured? By means of the quantity of the " value-forming substance" , the labour, contained in the article. This quantity is measured by its duration, and the labour-time is itself measured on the particular scale of hours, days etc. "
3 " The Captain swallowed his capsules and lay down in the dark with pleasant anticipation. This quantity of the drug gave him a unique and voluptuous sensation; it was as though a great dark bird alighted on his chest, looked at him once with fierce, golden eyes, and stealthily enfolded him in his dark wings. "
― Carson McCullers , Reflections in a Golden Eye
4 " We can measure the fine structure constant with very great precision, but so far none of our theories has provided an explanation of its measured value. One of the aims of superstring theory is to predict this quantity precisely. Any theory that could do that would be taken very seriously indeed as a potential 'Theory of Everything'. "
― John D. Barrow , Impossibility: The Limits of Science and the Science of Limits
