Sukadev is talking about the lineage and tradition of Yoga Vidya and himself. Our lineage stars with Narayana and also contains Shankara. Shankara was an early 8th century Indian philosopher and theologian who consolidated the doctrine of Advaita Vedanta.
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Sukadev Bretz is the founder of Haus Yoga Vidya and the Yoga Vidya organisation. From his adolescence he was fascinated by the possibilities of the mind, learned fast reading autodidactically and attended concentration and memory training courses.