And very often the influence exerted on a person's character by the amount of his income is hardly less, if it is less, than that exerted by the way in which it is earned.
Alfred MarshallThe most reckless and treacherous of all theorists is he who professes to let facts and figures speak for themselves.
Alfred MarshallThough a simple book can be written on selected topics, the central doctrines of economics are not simple and cannot be made so.
Alfred Marshall