The Wealth of Nations by Part 4 Chapter 5 Page 52

The bounties upon the exportation of British-made sailcloth and British-made gunpowder may, perhaps, both be vindicated upon this principle.

But though it can very seldom be reasonable to tax the industry of the great body of the people in order to support that of some particular class of manufacturers, yet in the wantonness of great prosperity, when the public enjoys a greater revenue than it knows well what to do with, to give such bounties to favourite manufactures may, perhaps, be as natural as to incur any other idle expense. In public as well as in private expenses, great wealth may, perhaps, frequently be admitted as an apology for great folly. But there must surely be something more than ordinary absurdity in continuing such profusion in times of general difficulty and distress.