Note 7 — PROFESSOR CLARK'S ECONOMICS[1]
Reading edition
It is a notable fact that even the genius of Herbert Spencer could extract nothing but taxonomy from his hedonistic postulates; e.g., his Social Statics. Spencer is both evolutionist and hedonist, but it is only by recourse to other factors, alien to the rational hedonistic scheme, such as habit, delusions, use and disuse, sporadic variation, environmental forces, that he is able to achieve anything in the way of genetic science, since it is only by this recourse that he is enabled to enter the field of cumulative change within which the modern post-Darwinian sciences live and move and have their being.