R. Nagaswamy on Knowledge

"There is no doubt that Sankara before him had set the wheel of inquiry by boldly declaring Advaita as the answers to all the questions posed by different Upanishads. He has tried to synthesize the approach and took up the Brahma sutras of Vyasa as the basic text for study .The Brahma sutras is an extraordinary text. Before Sage Vyasa a very great body of literature has accumulated mainly in the Upanishads, most of the time speaking in one voice about Brahama vidya and at the same time throwing in diverse suggestions It has grown up almost like a banyan tree with overgrown branches. Vyasa by reducing many of these concepts into short and crisp sutras has provided behind each sutra an ocean of knowledge. It is impossible to understand the whole body of knowledge in a unitary way. Sankara brought in a cohesion. He was close to the Vedic ideals in point of time ..."