In every great monarchy of Europe the sale of the crown lands would produce a very large sum of money, which, if applied to the payment of the public debts, would deliver from mortgage a much greater revenue than any which those lands have ever afforded to the crown...When the crown lands had become private property, they would, in the course of a few years, become well-improved and well-cultivated...the revenue which the crown derives from the duties of customs and excise, would necessarily increase with the revenue and consumption of the people.

The Wealth of Nations, I Book V Chapter II Part II