And therefore he that encloses land, and has a greater plenty of the conveniencies of life from ten acres, than he could have from an hundred left to nature, may truly be said to give ninety acres to mankind: for his labour now supplies him with provisions out of ten acres, which were by the product of an hundred lying in common. I have here rated the improved land very low, in making its product but as ten to one, when it is much nearer an hundred to one: for I ask, whether in the wild woods and uncultivated waste of America, left to nature, without any improvement, tillage, or husbandry, a thousand acres yield the needy and wretched inhabitants as many conveniencies of life, as ten acres equally fertile land do in Devonshire, where they are well cultivated.