was revered in Yindu. When children were seven years of age, the great treatises of the Five Sciences were shared with them. The first science was grammar, which explained words and their usage. The second was that of the skilled professions, such as arts, crafts or astrology. The third was the science of medicine. The fourth was the science of reasoning. And the fifth was the science of self, which investigated and taught the five degrees of religious attainment and the doctrine of karma.