The Origin of Species, with its emphasis on natural selection and survival of the fittest, gave explanations that stirred the leading philosophers of the 19th century.
„ Liikide tekkimine ”, mis rõhutas looduslikku valikut ja enamkohastunu püsimajäämist, jagas selgitusi, mis erutasid 19. sajandi juhtivaid filosoofe.