It has been said, and perhaps with truth, that the conclusions of Political Economy partake more of the certainty of the stricter sciences than those of most of the other branches of human knowledge.

The great and unlooked for discoveries that have taken place of late years have all concurred to lead many men into the opinion that we were touching on a period big with the most important changes.

In a state therefore of great equality and virtue, where pure and simple manners prevailed, the increase of the human species would evidently be much greater than any increase that has been hitherto known.

No move towards the extinction of the passion between the sexes has taken place in the five or six thousand years that the world has existed.

Man cannot live in the midst of plenty.

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.

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