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

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 is a mere futile process to exchange one set of commodities for another, if the parties; after this new distribution of goods has taken place, are not better off than they were before.

The perpetual tendency of the race of man to increase beyond the means of subsistence is one of the general laws of animated nature, which we can have no reason to expect to change.

A great emigration necessarily implies unhappiness of some kind or other in the country that is deserted.

The ordeal of virtue is to resist all temptation to evil.

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.