PrincipleSj p

60. PrindpleSy p. 66 : this tendency, this gravitation, as it were, of profils. — Cf. Ricardo à MaUhus, 27 mars 1815 : It appears to me that the progrr^ss of wealth, i^hilst it increases accumulation, has a naturel tendency to produce this efiect, and is as certain as the principle of gravitation.

61. Depuis longtemps, il sentait la difficulté du problème de la valeur. V. Ricardo à Malthus, 7 février 1816 : ... I hâve not thought mnch on our old subject ; my diffîcuUy is in so presenting it to the minds of others as to make tbem fall into the same chair of thinking as mysdf. If 1 could overcome the obstacles in the way of giving a clear insigkt into the original \h\s of relative or exchangeable value, I should bave gained half ihe battle. — Vers le mois de septembre, ses embarras redoublent : V. Ricardo à Malthus, 5 octobre 1816 :... 1 hâve been very much impeded by the question of price and value, my former ideaa on thote points not being correct. My présent view may be equally faulty, for it leads to conclusions at varlance with ail my preconoeived opinioiia. I shall continue to work, if only for my own satisfaction, till I kaiv given my theory a consistent form.