Why so few read Adam Smith's "Wealth of Nations", much less understand it

"Had the Scotch cattle been always confined to the market of Scotland, in a country in which the quantity of land, which can be applied to no other purpose but the feeding of cattle, is so great in proportion to what can be applied to other purposes, it is scarce possible, perhaps, that their price could ever have risen so high as to render it profitable to cultivate land for the sake of feeding them."
- page 124 of the Project Gutenberg HTML version

Your homework assignment is to rewrite this in 21st Century English.