Capital is that part of wealth which is devoted to obtaining further wealth.

Political Economy or Economics is a study of mankind in the ordinary business of life.

All wealth consists of desirable things; that is, things which satisfy human wants directly or indirectly: but not all desirable things are reckoned as wealth.

In the absence of any short term in common use to represent all desirable things, or things that satisfy human wants, we may use the term Goods for that purpose.

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.

Nature's action is complex: and nothing is gained in the long run by pretending that it is simple, and trying to describe it in a series of elementary propositions.

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