tion and valuation of material forces. Science has flourished somewhat in the same degree as the industrial life of the community has conformed to this pattern, and somewhat in the same degree as the industrial interest has dominated the community's life. And science, and scientific theory especially, has made headway in the several departments of human life and knowledge in proportion as each of these several departments has successively come into closer contact with the industrial process and the economic interest; or perhaps it is truer to say, in proportion as each of them has successively escaped from the dominance of the conceptions of personal relation or status, and of the derivative canons of anthropomorphic fitness and honorific worth.
It is only as the exigencies of modern industrial life have enforced the recognition of causal sequence in the practical contact of mankind with their environment, that men have come to systematise the phenomena of this environment, and the facts of their own contact with it, in terms of causal sequence. So that while the higher learning in its best development, as the perfect flower of scholasticism and classicism, was a by-product of the priestly office and the life of leisure, modern science may be said to be a by-product of the industrial. process. Through these groups of men, then—investigators, savants, scientists, inventors, speculators—most of whom have done their most telling work outside the shelter of the schools, the habits of thought enforced by the modern industrial life have found coherent expression and elaboration as a body of theoretical science
