... Indo-European and Semitic races, the stories of Babylon and Nineveh, of Thebes and Memphis, of Rome and Athens and Jerusalem, of Delhi and of Bagdad, of the Pyramids and of the Parthenon the radiant names ... names of Hammurabi and Zarathustra and Moses and the Buddha and Mohammed, of Homer and Plato and Phidias and Socrates and Pindar and Pythagoras, and the mightiest Julius, and the imperial philosophers, ... along the lower Zambesi, and in the Benua and Shari basins, the African aborigines present almost a greater uniformity of physical and moral type than any of the other great divisions of mankind...