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.


Book I, On Production, Chapter XVII, Section III, p. 188 - A Treatise On Political Economy (Fourth Edition) (1832)

Jean-Baptiste Say Quotes

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...

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...

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...

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...