Population, when unchecked, increases in a geometrical ratio, Subsistence, increases only in an arithmetical ratio.
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Chapter I, paragraph 18, lines 1-2Thomas Malthus
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When civilization [population] increases, the available labor again increases. In turn, luxury again increases in correspondence with the increasing profit, and the customs and needs of luxury increase. Crafts are created to obtain luxury products. The value realized from them increases, and, as a result, profits are again multiplied in the town. Production there is thriving even more than before. And so it goes with the second and third increase. All the additional labor serves luxury and wealth, in contrast to the original labor that served the necessity of life.
Ibn Khaldun
The new Census shews our increase to be in the geometrical ratio of 3 1/6 pr. cent annually which gives a duplication in 22 y— 3 m equal to the most sanguine of our calculations. We are already about the 7th. of the Christian nations in population, but holding a higher place in substantial abilities. If we can keep at peace for our time the next generation will have nothing to fear but from their own want of moderation in the use of their strength.
Thomas Jefferson
Just like a computer, we must remember things in the order in which entropy increases. This makes the second law of thermodynamics almost trivial. Disorder increases with time because we measure time in the direction in which disorder increases. You can’t have a safer bet than that!
Stephen Hawking
Had population and food increased in the same ratio, it is probable that man might never have emerged from the savage state.
Thomas Malthus
Meantime I say to both sides of industry, 'Please don't support us with general expressions of good will and kind words, and then undermine us through unjustified wage increases or price increases. Either back us or sack us.'
James Callaghan
Malthus, Thomas
Malzberg, Barry
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