He viewed math as a way to simplify economic reasoning, although he had reservations as revealed in a letter to his student Arthur Cecil Pigou: "(1) Use mathematics as shorthand language, rather than as an engine of inquiry.
Він розглядав математику як спосіб спростити економічні міркування, хоча у нього була бронь, як з'ясувалося, у листі до свого учня Артур Сесіл Пігу: "(1) Use mathematics as shorthand language, rather than as an engine of inquiry.