Lecture by Swami Tattwamayananda. This lecture begins with a discussion of the verse I.2, the definition of yoga as transcendence of the mind. When this is achieved, we rest in our true nature. Otherwise, we identify with the momentary experiences of the mind. The five Klesas, or distractions of Avidya, ignorance, Asmita, egotism, raga, obsessive attachment, Dvesa, obsessive hatred, and Abhinivesa, fear are reviewed. We continue rotating in a cycle of Karma, action, Vrittis, Impressions, and Samskaras, strong tendencies. The lecture ends with a review of the five kinds of Vrittis, emphasizing the Pramana, valid knowledge. Verses: I.2, I.3, I.4, I.5, I.6, I.7