The most valuable of all capital is that invested in human beings

Again, most of the chief distinctions marked by economic terms are differences not of kind but of degree.

The hope that poverty and ignorance may gradually be extinguished derives indeed much support from the steady progress of the working classes during the 19th century.

Knowledge is our most powerful engine of production.

Individual and national rights to wealth rest on the basis of civil and international law, or at least of custom that has the force of law.

In every age poets and social reformers have tried to stimulate the people of their own time to a nobler life by enchanting stories of the virtues of the heroes of old.

Producer's Surplus is a convenient name for the genus of which the rent of land is the leading species.