Capital in the hands of a national government forms a part of the gross national capital. - Jean-Baptiste Say

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

I have made no distinction between the circulation of goods and of money, because there really is none.

Some writers maintain arithmetic to be only the only sure guide in political economy; for my part, I see so many detestable systems built upon arithmetical statements, that I am rather inclined to regard that science as the instrument of national calamity.