Essay on the Principle of Population
Author: first_name:  Thomas
last_name: Malthus
Language: English
Year: 1798

The power of population is indefinitely greater than the power in the earth to produce subsistence for man. Population, when unchecked, increases in a geometrical ratio. Subsistence increases only in an arithmetical ratio. A slight acquaintance with numbers will show the immensity of the first power in comparison with the second (Malthus).