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

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

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

No state has hitherto existed (at least that we have any account of) ... that no check whatever has existed to early marriages, among the lower classes, from a fear of not providing well for their families, or among the higher classes, from a fear of lowering their condition in life.

If I saw a glass of wine repeatedly presented to a man, and he took no notice of it, I should be apt to think that he was blind or uncivil. A juster philosophy might teach me rather to think that my eyes deceived me, and that the offer was not really what I conceived it to be.

The science of political economy is essentially practical, and applicable to the common business of human life. There are few branches of human knowledge where false views may do more harm, or just views more good.

The superior power of population cannot be checked without producing misery or vice.