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.

It accords with the most liberal spirit of philosophy to suppose that not a stone can fall, or a plant rise, without the immediate agency of divine power.

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

The power of population is so superior to the power of the earth to produce subsistence for man, that premature death must in some shape or other visit the human race.

If it be taught that all who are born have a right to support on the land, whatever be their number, and that there is no occasion to exercise any prudence in the affair of marriage so as to check this number, the temptations, according to all the known principles of human nature, will inevitably be yielded to, and more and more will gradually become dependent on parish assistance.

In 1860, sixty-three per cent of the couples married in Great Britain had families of four or more children; in 1925 only twenty per cent had more than four.

[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.