The doctrine of population has been conspicuously absent, not because I doubt in the least its truth and vast importance, but because it forms no part of the direct problem of economics.

The rich, by unfair combinations, contribute frequently to prolong a season of distress among the poor.

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.

Every endeavor should be used to weaken and destroy all those institutions relating to corporations, apprenticeships, &c, which cause the labours of agriculture to be worse paid than the labours of trade and manufactures.

Whether the law of marriage be instituted or not, the dictate of nature and virtue seems to be an early attachment to one woman.

It is also very important to observe, that menial servants are absolutely necessary to make the resources of the higher and middle classes of society efficient in the demand for material products.

The passion between the sexes has appeared in every age to be so nearly the same, that it may always be considered, in algebraic language as a given quantity.