 Carl Linnaeus saw an overall benign balance, but also showed calculations of the Earth quickly filling with one species if it reproduced unchecked,
and referred to "bellum omnium perpetuum in omnes, et horrenda laniena" (a perpetual war of all against all, and horrible massacre).In 1773 James Burnett, Lord Monboddo, noted that "the most fruitful country can be overstocked with any animal and particularly with man", and "when men were so multiplied that the natural fruits of the earth could not maintain them", they could emigrate, prey on other animals or each other, or preferably "associate and provide in common what singly they could not procure.