All labour is directed towards producing some effect.
Political Economy or Economics is a study of mankind in the ordinary business of life.
Knowledge is our most powerful engine of production.
The most reckless and treacherous of all theorists is he who professes to let facts and figures speak for themselves.
Consumption may be regarded as negative production.
Material goods consist of useful material things, and of all rights to hold, or use, or derive benefits from material things, or to receive them at a future time.