Thirty or forty proprietors, with incomes answering to between one thousand and five thousand a year, would create a much more effectual demand for the necessaries, conveniences, and luxuries of life, than a single proprietor possessing a hundred thousand a year.
Thomas MalthusA great emigration necessarily implies unhappiness of some kind or other in the country that is deserted.
Thomas MalthusIt is also very important to observe, that menial servants are absolutely necessary to make the resources of the higher and middle classes of society efficient in the demand for material products.
Thomas MalthusPopulation, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio.
Thomas Malthus