The theory of interest was wrapped in utter obscurity, until Hume and Smith dispelled the vapor. - Jean-Baptiste Say

The government has, in all countries, a vast influence, in determining the character of the national consumption; not only because it absolutely directs the consumption of the state itself, but because a great proportion of the consumption of individuals is gained by its will and example.

It is, perhaps, a well founded objection to Mr. Ricardo, that he sometimes reasons upon abstract principles to which he gives too great a generalization.

A tax can never be favorable to the public welfare, except by the good use that is made of its proceeds.