Human nature, as manifested in tribalism and nationalism, provides the momentum of the machinery of human evolution.
Arthur KeithGood men, whether they be Christians or rationalists, do not desire to discriminate between races, but the distinctions implanted by Nature are too conspicuous to escape the observation of our senses.
Arthur KeithThe German Fuhrer, as I have consistently maintained, is an evolutionist; he has consistently sought to make the practices of Germany conform to the theory of evolution.
Arthur Keith