In general it may be said that demand is quite as necessary to the increase of capital as the increase of capital is to demand.

Evil exists in the world not to create despair but activity.

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

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

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

The moon is not kept in her orbit round the earth, nor the earth in her orbit round the sun, by a force that varies merely in the inverse ratio of the squares of the distances.

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.