All labour is directed towards producing some effect.

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

It is common to distinguish necessaries, comforts, and luxuries; the first class including all things required to meet wants which must be satisfied, while the latter consist of things that meet wants of a less urgent character.

The most reckless and treacherous of all theorists is he who professes to let facts and figures speak for themselves.

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

Knowledge is our most powerful engine of production.

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