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Population, when unchecked, increases in a geometrical ratio, Subsistence, increases only in an arithmetical ratio.

— Thomas Robert Malthus An Essay on The Principle of Population (1798)

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More quotes by Thomas Robert Malthus

The greatest talents have been frequently misapplied and have produced evil proportionate to the extent of their powers.

An Essay on The Principle of Population (1798)

It is an acknowledged truth in philosophy that a just theory will always be confirmed by experiment.

An Essay on The Principle of Population (1798)

Had population and food increased in the same ratio, it is probable that man might never have emerged from the savage state.

An Essay on The Principle of Population (1798)

In general it may be said that demand is quite as necessary to the increase of capital as the increase of capital is to demand.

Principles of Political Economy (1836)

Evil exists in the world not to create despair but activity.

An Essay on The Principle of Population (1798)

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