"Some astrologers came up with an explanation for this condition; they said that both Saturn and Mercury control the destiny of the Indian people. Because of the influence of Saturn, their color turned black, while the influence of Mercury provided them with intellectual power and fine spirit. Saturn in partnership with Mercury gave them correctness of reasoning and depth of perception. This is why they enjoy the purity of talent and the power of distinction, making them totally different from the people of Sudan (Blacks) (2) such as the Zinj, the Abyssinians, the Ethiopians and others. To their credit, the Indians have made great strides in the study of numbers (3) and of geometry. They have acquired immense information and reached the zenith in their knowledge of the movements of the stars (astronomy) and the secrets of the skies (astrology) as well as other mathematical studies. After all that, they have surpassed all the other peoples in their knowledge of medical science and the strengths of various drugs, the characteristics of compounds and the peculiarities of substances."