"Malthus said that population grows geometrically, while food supplies only increase arithmetically. When the rate of increase in the food supply can no longer keep up with the growth in population, then wars break out and disasters occur, finally leading to the destruction of the human race.
「人口論是說人口的增加呈几何級數，糧食的增加呈算數級數，糧食的增加，一旦趕不上人口增加的速度，就會發生戰爭、災害，最後導致人類的滅亡。