My personal conviction is that science is concerned wholly with truth, not with ethics.
Arthur KeithTribal life comes automatically to an end when a primitive people begins to live in a town or a city, for sooner or later a tribal organization is found to be incompatible with life in a city.
Arthur KeithBefore the discovery of agriculture mankind was everywhere so divided, the size of each group being determined by the natural fertility of its locality.
Arthur KeithCivilization, we shall find, like Universalism and Christianity, is anti evolutionary in its effects; it works against the laws and conditions which regulated the earlier stages of man's ascent.
Arthur Keith