A Quote by Thomas Malthus

Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio.

Thomas Malthus

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Environmental Doubling Every Goes Goes On Increases Itself Population Ratio Years

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Thomas Malthus
English - Economist
February 13, 1766 - December 23, 1834

[P]opulation, when unchecked, goes on doubling itself every twenty-five years, or increases in a geometrical ratio. ... [T]he means of subsistence, under circumstances the most favorable to human industry, could not possibly be made to increase faster than in an arithmetical ratio.

Thomas Malthus

Population, when unchecked, increases in a geometrical ratio. Subsistence increases only in an arithmetical ratio. A slight acquaintance with numbers will shew the immensity of the first power in comparison of the second.

Thomas Malthus

Population, when unchecked, increases in a geometrical ratio.

Thomas Malthus

In the last 200 years the population of our planet has grown exponentially, at a rate of 1.9% per year. If it continued at this rate, with the population doubling every 40 years, by 2600 we would all be standing literally shoulder to shoulder.

Stephen Hawking

It is doubling now every two years. Doubling every two years means multiplying by 1,000 in 20 years. At that rate we'll meet 100 percent of our energy needs in 20 years.

Ray Kurzweil

I bought a Hummer before I bought a house, and then I bought a house. Every year, everything doubled. The work was doubling. The money was doubling. The popularity was doubling.

Gabriel Iglesias

Growth, growth, growth -- that's all we've known . . . World automobile production is doubling every 10 years; human population growth is like nothing that has happened in all of geologic history. The world will only tolerate so many doublings of anything -- whether it's power plants or grasshoppers.

M. King Hubbert

We can... treat only the geometrical aspects of mathematics and shall be satisfied in having shown that there is no problem of the truth of geometrical axioms and that no special geometrical visualization exists in mathematics.

Hans Reichenbach

Population regulates itself by the funds which are to employ it, and therefore always increases or diminishes with the increase or the diminution of capital. Every reduction of capital is therefore necessarily followed by a less effective demand for corn, by a fall in price, and by a diminished cultivation.

Thomas Malthus

Biological knowledge is doubling every five years.

Janine Benyus

I have two children. I have a daughter 29, and a daughter four. They are 25 years apart, so you speak about generations and I must tell you, I have a philosophy and that is every 25 years I'm going to sire another child.

Burt Ward

Subsistence increases only in an arithmetical ratio.

Thomas Malthus

The Pride of ancestry increases in the ratio of distance.

George William Curtis

Just in the ratio knowledge increases, faith decreases.

Thomas Carlyle

Just in ratio as knowledge increases, faith diminishes.

Thomas Carlyle

The concentration and reciprocal effect of industry and agriculture conjoin in a growth of productive powers, which increases more in geometrical than in arithmetical proportion.

Friedrich List

A Quote by Thomas Malthus

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