In this article, Suhotra Swami discusses various approaches to acquiring knowledge. He examines this phenomena in terms of the three pramanas (pratyaksa, anumana and sabda), which are the recognised sources of knowledge in the Vaisnava tradition. Suhotra Swami explains that in Vaisnava epistemology sabda (hearing from an authoritative source) is accorded the greatest regard. He examines the methods of direct perception and logical argument and offers an interesting analysis of their limitations