Prometheus, or, biology and the advancement of man / by H.S. Jennings.

  • Herbert Spencer Jennings
Date:
[1925]
Catalogue details

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Prometheus, or, biology and the advancement of man / by H.S. Jennings. Source: Wellcome Collection.

    8/112 (page 4)
    PREFACE observed facts. Such it is believed are here set forth. The beginnings of knowledge often point to clear and simple conclusions that range themselves in the pattern of some obvious theory. Such con¬ clusions are drawn with confidence : they are set down in the text-books ; they are fixed in the mind ; they acquire authority ; they become part of science. Only details, illustrating and applying these principles, require, it seems, yet to be discovered. As the details are worked out, they are ranged as best may be under the theory ; if some of them fit it awkwardly or not at all, these are but laid aside as indigestible. In time there comes to be a great store of facts that do not fit the accepted generalizations. But to revise the generalizations—hie labor, hoc opus est / [6]