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. Alfred Marshall Read Quote
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. Alfred Marshall Read Quote
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. Alfred Marshall Read Quote
In common use almost every word has many shades of meaning, and therefore needs to be interpreted by the context. Alfred Marshall Read Quote
The price of every thing rises and falls from time to time and place to place; and with every such change the purchasing power of money changes so far as that thing goes. Alfred Marshall Read Quote