Assuming then, my postulata as granted, I say, 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.
By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal.
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