4.3 Sah, that; puratanah, ancient; yogah, Yoga; eva, itself; ayam, which is this; proktah, has been taught; te, to you; maya, by Me; adya, today; iti, considering that; asi, you are; me, My; bhaktah, devotee; ca sakha, and friend. Hi, for; etat, this Yoga, i.e. Knowledge; is a uttamam, profound; rahasyam, secret. Lest someone should understand that the Lord has said something contradictory, therefore, in order to prevent that (doubt), as though raising a estion,