eaf82217_ehension__An_exploratory_study__Extract_1b
[Extract 1a] But man himself is the chief means of the production of the wealth of which he is the ultimate aim: and this and the two following chapters will be given to some study of the supply of labour; i.e., of the growth of population in numbers, in strength in knowledge and in character. [Extract 1b] 
Man is the chief means of the production of that wealth of which he is himself the ultimate aim; and it seems best to make at this stage some study of the growth of population in numbers, in strength and in character.
Reading in a Foreign Language: Metadiscourse and ESP reading comprehension: An exploratory study
Extract 1b