The Wealth of Nations by Part 5 Chapter 2 Page 100

fortunes, would be a source of such continual and endless vexation as no people could support.

Secondly, land is a subject which cannot be removed; whereas stock easily may. The proprietor of land is necessarily a citizen of the particular country in which his estate lies. The proprietor of stock is properly a citizen of the world, and is not necessarily attached to any particular country. He would be apt to abandon the country in which he was exposed to a vexatious inquisition, in order to be assessed to a burdensome tax, and would remove his stock to some other country where he could either carry on his business, or enjoy his fortune more at his ease.

By removing his stock he would put an end to all the industry which it had maintained in the country which he left. Stock cultivates