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

I do not know that any writer has supposed that on this earth man will ultimately be able to live without food.

If a country can only be rich by running a successful race for low wages, I should be disposed to say at once, perish such riches!

The immediate cause of the increase of population is the excess of the births above deaths; and the rate of increase, or the period of doubling, depends upon the proportion which the excess of the births above the deaths bears to the population.

No limits whatever are placed to the productions of the earth; they may increase forever.

The love of independence is a sentiment that surely none would wish to see erased from the breast of man, though the parish law of England, it must be confessed, is a system of all others the most calculated gradually to weaken this sentiment, and in the end may eradicate it completely.

The prodigious waste of human life occasioned by this perpetual struggle for room and food, was more than supplied by the mighty power of population, acting, in some degree, unshackled, from the constant habit of emigration.