All Thomas Malthus Quotes
- [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… Arithmetical
- The superior power of population cannot be checked without producing misery or vice. Checked
- Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio. Doubling
- The constant effort towards population, which is found even in the most vicious societies, increases the number of people before the means of subsistence are… Constant
- The great and unlooked for discoveries that have taken place of late years have all concurred to lead many men into the opinion that we… All
- No limits whatever are placed to the productions of the earth; they may increase forever. Earth
- Population, when unchecked, increases in a geometrical ratio. Geometrical
- I think it will be found that experience, the true source and foundation of all knowledge, invariably confirms its truth. All