The Wealth of Nations by Part 4 Chapter 5 Page 110

Though the period of the greatest prosperity and improvement of Great Britain has been posterior to that system of laws which is connected with the bounty, we must not upon that account impute it to those laws. It has been posterior likewise to the national debt. But the national debt has most assuredly not been the cause of it.

Though the system of laws which is connected with the bounty has exactly the same tendency of tendency with the police of Spain and Portugal, to lower somewhat the value of the precious metals in the country where it takes place, yet Great Britain is certainly one of the richest countries in Europe, while Spain and Portugal are perhaps among the most beggarly.

This difference of situation, however, may easily be accounted for from two different causes.