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.
Alfred MarshallIn common use almost every word has many shades of meaning, and therefore needs to be interpreted by the context.
Alfred MarshallThe 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.
Alfred MarshallWe might as well reasonably dispute whether it is the upper or the under blade of a pair of scissors that cuts a piece of paper, as whether value is governed by demand or supply.
Alfred Marshall